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BOARD CERTIFICATIONS:

• Cardiovascular Disease
• Nuclear Cardiology
• Echocardiography
• Cardiac CT (pending)

LANGUAGES:

• English
• Hindi
• Punjabi

HOSPITALS:

• Baylor Scott & White Heart and Vascular Hospital - Dallas
• Baylor University Medical Center
• Hunt Regional Medical Center
• Texas Health Rockwall

EDUCATION:

• MBA, Graduated with Honors: University of Texas at Dallas Naveen Jindal School of Business, Dallas, TX
• Fellowship, Heart Failure/Transplant Hospitalist: Division of Cardiology, University of Washington Medical Center, Seattle, WA
• Fellowship, Cardiovascular Medicine: SUNY, Buffalo, NY
• Residency, Internal Medicine: University of Washington Medical Center, Seattle, WA
• Internship, Internal Medicine: University of Washington Medical Center, Seattle, WA
• Medical School, MD Degree: University of Washington School of Medicine, Seattle, WA
• Undergraduate: Bachelor of Science in Biology, with Honors, University of Puget Sound, Tacoma, WA

PROFESSIONAL APPOINTMENTS:

• Member: Quality and Safe Committee - Baylor Heart and Vascular Hospital (2014-present)
• Director: Hunt Regional Hospital Cardiac Cath Lab (2012-2014)
• Partner: Cardiology Consultants of Texas, Dallas, TX (2014-present)
• Member: Quality Assurance Committee - Buffalo Medical Group (2010-2012)
• Assistant Professor: University of Rochester Medical Center (2008-2011)

HONORS/AWARDS:

• Chief Cardiology Fellow - SUNY Buffalo Cardiology Fellowship (2006-2007)
• Nominated for Best Resident Teacher Award by medical students as residents (2002)
• Elected UW Alumni Representative for class 2001 - University of Washington School of Medicine (2001)
• Klea Bartirakas Award - Western Regional Medical Student Research Forum, Carmel, CA, Best Oral Presentation out of over 400 medical students from all over North America (2000)
• Best Oral Research Presentation, National Student Research Forum, Galveston, TX - In Epidemiology and Infectious Diseases for AIDS project in North India (1999)
• Elected Medical Student Association (MSA) Class Secretary (1999)

PROCEDURES:

• EKG
• Echocardiography
• Nuclear Stress Testing
• Arterial & Venous Extremity Dopplers / ABIs
• Arrhythmia Monitoring
• Coronary Calcium Scoring & Coronary CTA
• Cardiac MRI & MRI

SERVICES:

• Chest Pain
• Atrial Fibrillation
• Hypertension
• Congestive Heart Failure
• Peripheral Arterial Disease
• Stress Testing
• Coronary Artery Disease
• Weight Loss

BOARD CERTIFICATIONS:

• Interventional Cardiology
• Cardiovascular Disease
• Nuclear Cardiology
• Echocardiography
• Internal Medicine

HOSPITALS:

• Baylor Scott & White Medical Center - Lake Pointe
• Baylor Scott & White Medical Center - Plano
• Baylor Scott & White | The Heart Hospital - Denton
• Baylor Scott & White | The Heart Hospital - Plano
• Methodist Richardson Medical Center

EDUCATION:

• Fellowship, Interventional Cardiology:  Saint Vincent’s Hospital and Medical Centers, NY
• Fellowship, Cardiovascular Disease:  Saint Vincent’s Hospital and Medical Centers, NY
• Residency, Internal Medicine: Albert Einstein College of Medicine/Montefiore Medical Center, NY
• Medical School, MD Degree:  SUNY Stonybrook School of Medicine, NY
• Undergraduate, BS Degree:  CUNY City College, NY

HONORS/AWARDS:

• Saint Vincent’s Hospital and Medical Centers, New York (2007-2008)
• Saint Vincent’s Hospital and Medical Centers, New York (2004-2007)
• Albert Einstein College of Medicine/Montefiore Medical Center, New York (2001-2004)
• SUNY Stonybrook School of Medicine, New York (1994-2001)
• CUNY City College, New York (1994-2001)

PROFESSIONAL APPOINTMENTS:

• Medical Executive Committee, Member - Baylor Scott and White Medical Center at Garland, Texas (2012-2018)
• American Heart Association/Fellows Society of Greater New York, Fellow Liaison – St. Vincent's Hospital, NY (2005-2006)

PROFESSIONAL ASSOCIATIONS:

• The Society of Cardiovascular Angiography and Interventions, SCAI-Member (2007-present)
• North American Society of Cardiovascular Imaging, NASCI-Member (2006-present)
• American Society of Echocardiography, ASE-Member (2004-present)
• American Society of Nuclear Cardiology, ASNC-Affiliate Member (2004-present)
• American College of Cardiology, ACC-Member (2004-present)
• American Heart Association, AHA-Member (2004-present)
• American Medical Association, AMA-Member (2001-present)

PUBLICATIONS:

Research:

• Co-Investigator, "Vascular Supply of the Anterobasal Segment of the Left Ventricle, Retrospective review of 45 consecutive coronary angiography cases looking at the Anterobasal Segment contractility along with patency of the native Left Anterior Descending Artery and Left Internal Mammary Artery." (2005-2006)
• Co-Investigator, Worked with Dr.Thierry LeJemtel on the Brain Natriuretic Peptide (BNP) study. The purpose of the project was to determine if BNP levels could be used to determine the cardiovascular status of patients with Congestive Heart Failure (2002)

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Presentations:

• Presentation: Pre-Op Clearance to the Anesthesia department at St.Vincent's Hospital and Medical Center. (2006)
• Electrocardiogram Interpretation for medical students and house staff at St. Vincent's Hospital and Medical Center/New York Medical College. (2004-2006)
• Over 100 presentations through out fellowship in case management conferences, cardiac catheterization conferences, M & M and cardiac surgical conferences, Journal club conferences, Cardiac Critical Care conferences, EP, Echo, EKG, CHF and Nuclear conferences

Ramon (Ray) Kumar, M.D., is board-certified in cardiovascular disease and interventional cardiology. He specializes in coronary artery disease, peripheral vascular disease, congestive heart failure, palpitations, and valve disease. Dr. Kumar practices at HeartPlace Allen, Texas, where he is committed to providing the highest quality of care to his patients.

Dr. Kumar earned his Doctor of Medicine degree at UT Southwestern in Dallas, Texas. He completed his residency in internal medicine at Harvard Medical School/Beth Israel in Boston, Massachusetts, followed by multiple fellowships at the prestigious Texas Heart Institute in Houston, Texas.

Dr. Kumar has long served as a leader in the field of cardiology. His extensive experience includes directing catheterization labs and serving as STEMI Director in multiple healthcare systems, ensuring optimal care for acute heart attack patients. With his expertise in peripheral vascular interventions, complex coronary revascularization, and valve disease procedures, Dr. Kumar often manages challenging cases referred from across Texas and beyond.

Dr. Kumar’s dedication to his patients stems from a personal commitment to treating each individual like family, inspired by his own experiences. Outside of his medical practice, Dr. Kumar enjoys spending time with his wife and three children, weightlifting, swimming, playing pickleball, and exploring physics and philosophy.

BOARD CERTIFICATIONS:

• Cardiovascular Disease
• Interventional Cardiology

EDUCATION:

• Fellowship, Interventional Cardiology: Texas Heart Institute, Houston, TX
• Residency, Internal Medicine: Harvard Medical School/Beth Israel, Boston, MA
• Medical School, MD Degree: UT Southwestern, Dallas, TX

HONORS & AWARDS:

• Outstanding Resident Teacher Award, Harvard Medical School
• Chief Interventional Fellow, Texas Heart Institute

OFFICE LOCATION:

HeartPlace Allen
1105 N. Central Expy., Bldg. 2 Ste. 2330
Allen, TX 75013

Office: 972-649-6511

Fax: 844-290-4360

Schedule Appointment with Dr. Ammar here

BOARD CERTIFICATIONS:

• Interventional Cardiology
• Cardiovascular Disease
• Nuclear Cardiology
• Internal Medicine

HOSPITALS:

• Baylor Scott & White Medical Center Plano
• Baylor Scott & White | The Heart Hospital Denton
• Baylor Scott & White | The Heart Hospital Plano
• Medfinity Health Plano
• North Park Heart & Vascular Center
• Texas Health Allen
• Texas Health Dallas
• Texas Health Frisco
• Texas Health Plano

EDUCATION:

• Masters Business Administration: University of Massachusetts, Amherst 
• Fellowship, Interventional Cardiology: University of Iowa, Iowa City, IA 
• Fellowship, Cardiovascular Disease: University of Iowa, Iowa City, IA 
• Residency, Internal Medicine:  University of Iowa, Iowa City, IA 
• Internship, Internal Medicine:  University of Iowa, Iowa City, IA 
• Medical School, MD Degree: West Virginia University School of Medicine, Morgantown, West Virginia 
• Undergraduate: Vanderbilt University, Nashville, Tennessee 

PUBLICATIONS/MEDIA:

• Cardiologist Shares Heart-healthy Tips to Keep in Mind, Year-round

• KERA News - "White Coat Hypertension May Be Cause For Checking Your Blood Pressure More Often" (MAY 28, 2018)

• Cornerstone Baptist Church - Women's Ministry Presentation - "Red Dress Event [American Heart Association]" (March 20, 2018)

• WFAA - "Which health apps are best for you?" - April 26, 2018

Board Certifications:

• Interventional Cardiology
• Cardiovascular Disease
• Echocardiography
• Internal Medicine

Education:

• Interventional Cardiology Fellowship - University of Texas Health Science Center in Houston
• Cardiovascular Disease Fellowship - University of Texas Health Center in Houston
• Internal Medicine Residency - University of Texas Health Science Center in Houston
• Medical School - Universidad Central de Venezuela Luis Razetti Medical School

Languages:

• English
• Spanish

BOARD CERTIFICATIONS:

• Interventional Cardiology
• General Cardiology

HOSPITALS:

• Medical City Plano
• Texas Health Allen
• Texas Health Frisco
• Texas Health Plano

EDUCATION:

• Fellowship, Interventional Cardiology: Baylor College of Medicine, Houston, TX
• Fellowship, Cardiovascular Disease: Baylor College of Medicine, Houston, TX
• Residency, Internal Medicine:  Baylor College of Medicine, Houston, TX
• Medical School, MD Degree:  Medical College of Virginia, Virginia Commonwealth, Richmond, Virginia 
• Graduate School, Masters of Science in Physiology Degree:  Medical College of Virginia, Virginia Commonwealth, Richmond, Virginia
• Undergraduate, Bachelors of Science in Biology Degree (Departmental Honors): Mary Washington College, Fredericksburg, Virginia 

PROCEDURAL SKILLS:

• Complex Coronary & Peripheral Interventions
• Heart Catheterizations
• Percutaneous Support Devices (Impella, IABP)
• Venous Reflux Disease & Ablation Therapy
• TAVR

PUBLICATIONS/MEDIA:

Publications:

• Brown WR, Levine, G. “Chest Pains and Angina”. In Levine, G, Cardiology Secrets (4th , pp. 110-116). Philadelphia, PA: Elsevier Saunders. (2014).

• Salloum FN, Abbate A, Houser J, Mudrick C, Roy S, Brown WR, Qureshi I, Prabhakar S and Kukreja R. “Sildenafil (Viagra) Attenuates Ischemic Cardiomyopathy and Improves Left Ventricular Function in Mice”. Am J Physiol Heart Circ Physiol. 2008 Mar;294(3):H1398-406. Epub. Jan 25, 2008.

• Majid M, Brown WR, Divakaran V, Virani S. “Pulmonic Valve Endocarditis, A Case Report.” Submitted to Texas Heart Inst Journal.

• Divakaran VG, Brown WR, Virani S. “Images in Echocardiography: A Freely Floating Saphenous Vein Graft.” Echocardiography. Vol 26. Aug, 2009.

• Brown WR. Assisted Drs. R. Kukreja and F. Salloum in the investigation of PDE-5 inhibitors and their role in cardio protection. “Chronic Inhibition of PDE-5 with Sildenafil (Viagra) Attenuates Ischemic Cardiomyopathy and Improves Left Ventricular Function in Mice”. 2007.

• Brown WR. Worked with Dr. T. Duane (Trauma Surgery) in the Medical College of Virginia Emergency Department. This research considered the value of pelvic/cervical spine films, and outcomes in various patient populations, including the obese and the diabetic patient. “The Role and Influence of Plain Films and Patient Demographics on Outcomes in the Trauma Bay." 2006.

• Brown WR. Worked with Dr. J. Feher to complete a thesis in physiology research. “Continuous Chemiluminescent Measurement of Superoxide in Intact Rat Hearts During Ischemia-Reperfusion.” 2002-2003.

• Brown WR. As a candidate for Biology departmental honors, worked with Dr. K. Loesser to complete a thesis in biological research. In May of 2001, presented research to the Virginia Academy of Science. The work subsequently appeared in the Academy’s publication. “Vitamin E: Efficacy of Gamma-Tocopherol vs. Alpha-Tocopherol in Atherosclerosis Prevention.” 2000-2001.

Poster Presentations:

• Oliver PA, Brown WR, Regan C, Stoltzfus J, Ornato JP. “Correlation Between Heart Rate in Pre-Hospital Patients In Atrial Fibrillation With Rapid Ventricular Response And Blood Serum Magnesium Levels”. AAEM meeting, Las Vegas, NV. Feb 2010.

• Salloum F, Abbate A, Brown WR, Hoke N, Kukreja RC. “Phosphodiesterase Inhibitors Reduce Myocardial Infarction, Apoptosis and Improve Post Ischemic Ventricular Function in Female Mice”. ACC meeting, Chicago, IL. March, 2008.

BOARD CERTIFICATIONS:

• Clinical Cardiac Electrophysiology
• Cardiovascular Disease

HOSPITALS:

• Baylor Scott & White Heart & Vascular Hospital - Dallas
• Baylor Scott & White | The Heart Hospital Plano
• Baylor University Medical Center
• Medfinity Health Plano
• Medical City Dallas
• Medical City Heart Hospital
• Medical City Frisco
• Medical City Plano
• Methodist Richardson Medical Center
• North Park Heart & Vascular Center
• Texas Health Allen
• Texas Health Frisco
• Texas Health Plano

EDUCATION:

• Fellowship, Clinical Cardiac Electrophysiology: University of Chicago, Chicago, Illinois
• Fellowship, Cardiology: University of Chicago, Chicago, Illinois
• Postdoctoral Research Fellowship, Cardiology: University of Pittsburgh, Pittsburgh, Pennsylvania
• Chief Resident, Internal Medicine:  University of Pittsburgh Medical Center, McKeesport, Pennsylvania
• Residency, Internal Medicine: University of Pittsburgh School of Medicine, McKeesport, Pennsylvania
• Internship, Medicine, Surgery, Pediatrics, and Obstetrics and Gynecology: University College Hospital, Ibadan, Nigeria, Africa
• Medical School, MD Degree:  University of Ibadan, Ibadan, Oyo, Nigeria
• National Diploma: Yaba College of Technology, Lagos, Nigeria, Africa, Major: Electrical/Electronic Engineering

HONORS/AWARDS:

• Guardian Angel Award – University Medical Center Foundation (2018) 
• Best Abstract (Fellow) - Department of Medicine, University of Chicago Research Day (2012) 
• Best Research: Fellow-In-Training Research Day, American College of Cardiology (Illinois Chapter) (2012) 
• Clinical Cardiology Minority Travel Grant, American Heart Association (AHA) (2011) 
• Editorial Team Selection: One of the Must-Read Papers in Noninvasive Cardiac Imaging of the Month, ThePreparedMinds.com (2010)

PROFESSIONAL ASSOCIATIONS:

• Heart Rhythm Society, 2012 - Present
• Heart Rhythm Society, Fellow, 2017 - Present
• Heart Rhythm Society, Associate, 2012 - 2017
• American College of Cardiology, 2010 - Present
• American College of Cardiology, Fellow, 2017 - Present
• American College of Cardiology, Associate, 2010 - 2017

PUBLICATIONS/MEDIA:

Articles and Case Reports - Peer Reviewed ​

• Orellana-Barrios M, Sotello Aviles DA, Oyenuga O, Nugent KM. Implantable cardiac defibrillator infections: The emerging importance of Mycobacterium fortuitum. BMJ Case Rep., September 2017. PubMed Central ID Number: 28928258.

• Adegunsoye A, Levy M, Oyenuga O. Novel therapeutic strategies for reducing right heart failure associated mortality in fibrotic lung diseases. BioMed Research International 16, 2015.

• Onishi T, Onishi T, Marek JJ, Ahmed M, Haberman SC, Oyenuga O, Adelstein E, Schwartzman D, Saba S, Gorcsan J. Mechanistic features associated with improvement in mitral regurgitation after cardiac resynchronization therapy and their relation to long-term patient outcome. Circ Heart Fail, 6(4): 685-93, July 2013. PubMed Central ID Number: 23733917.

• Saba S, Marek J, Schwartzman D, Jain S, Adelstein E, White P, Oyenuga O, Onishi T, Soman P, Gorcsan J. Echocardiography-guided left ventricular lead placement for cardiac resynchronization therapy: results of the Speckle Tracking Assisted Resynchronization Therapy for Electrode Region trial. Circ Heart Fail, 6(3): 427-34, May 2013. PubMed Central ID Number: 23476053.

• Saba S, Schwartzman D, Jain S, Adelstein E, Marek J, White P, Oyenuga O, Soman P, Gorcsan J. Late breaking clinical trials HRS 2012: A prospective randomized controlled study of Echocardiographic-guided Lead Placement for Cardiac Resynchronization Therapy: Results of the STARTER trial. Heart Rhythm Journal, 9(9): 1581-1582, 2012.

• Hara H, Oyenuga O, Tanaka H, Adelstein EC, Onishi T, McNamara DM, Schwartzman D, Saba S, Gorcsan J. The relationship of QRS morphology and mechanical dyssynchrony to long-term outcome following cardiac resynchronization therapy. Eur. Heart J., 33(21): 2680-91, November 2012. PubMed Central ID Number: 22351700.
• Oyenuga O, Onishi T, Gorcsan J. A practical approach to imaging dyssynchrony for cardiac resynchronization therapy. Heart Fail Rev, 16(4): 397-410, June 2011. PubMed Central ID Number: 21152974
• Gorcsan J, Oyenuga O, Habib PJ, Tanaka H, Adelstein EC, Hara H, McNamara DM, Saba S. Relationship of echocardiographic dyssynchrony to long-term survival after Cardiac Resynchronization Therapy. Circulation, 122(19): 1910-8, November 2010. PubMed Central ID Number: 20975000.

• Tanaka H, Nesser H-J, Buck T, Oyenuga O, Jánosi RA, Winter S, Saba S, Gorcsan J. Dyssynchrony by speckle-tracking echocardiography and response to Cardiac Resynchronization Therapy: Results of the Speckle Tracking and Resynchronization (STAR) study. Eur. Heart J., 31(14): 1690-700, July 2010. PubMed Central ID Number: 20530502.

• Oyenuga O, Hara H, Tanaka H, Kim H-N, Adelstein EC, Saba S, Gorcsan J. Usefulness of echocardiographic dyssynchrony in patients with borderline QRS duration to assist with selection for Cardiac Resynchronization Therapy. JACC Cardiovasc Imaging, 3(2): 132-40, February 2010. PubMed Central ID Number: 20159638

• Odelola A, Oyenuga O, Ibrahim O, Onasanya O. Gestational trophoblastic disease. Dokita, 28(Reproductive Health Edition 2001): 47-51, 2001.

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Abstracts - Peer Reviewed

• Beaser AD, Cunnane RT, Ewulonu N, Moss JD, Burke MC, Vatterott PJ, Upadhyay GA, Broman MT, Oyenuga O, Green JJ, Ringwala S, Nayak HM. Degree of ICD lead adherence as assessed by intravascular ultrasound predicts difficulty of extraction. Heart Rhythm Journal, 12(5): AB08-05, May 2015.

• Sparano DM, Ericson K, Cunnane R, Oyenuga O, Sheth H, Burke M, Moss J, Nayak H. Early re-implantation after infected cardiac implantable electronic device extraction is safe and reduces length of stay. Hearth Rhythm Journal, (11): PO03-49, 2014.

• Oyenuga O, Shin JH, Cunnane R, Sparano DM, Sheth H, Nayak HN, Burke M, Moss JD. Prognostic implicaton of tricuspid regurgitation after cardiac resynchronization therapy in preventing progression of heart failure. Hearth Rhythm Journal, (11): PO04-181, 2014.

• Cunnane R, Das A, Moss JD, Nayak HM, Oyenuga O, Sheth H, Sparano DM, Burke M. Single chest X-ray versus multi-angled fluoroscopy in identifying structural abnormalities in riata leads. Heart Rhythm Journal, (11): PO06-27, 2014.

• Marek J, Saba S, Schwartzman D, Jain S, Adelstein EC, Oyenuga O, Onishi T, Gorcsan J. Echo-Guided Lead Placement benefits patients with QRS durations < 150 ms: Results from STARTER randomized controlled trial. Circulation, (126): A11933, 2012.

• Oyenuga O, Onishi T, Onishi T, Haberman SC, Adelstein EC, Saba S, Gorcsan J. Acute reduction in mechanical dyssynchrony by speckle tracking strain after Cardiac Resynchronization Therapy is associated with long term outcome. Circulation, (124): A11337, 2011.

• Hara H, Oyenuga O, Adelstein EC, Schwartzman D, Saba S, Gorcsan J. Electrical reverse remodeling associated with improvements in mechanical dyssynchrony and ventricular function after Cardiac Resynchronization Therapy. Circulation, (124): A11865, 2011.

• Onishi T, Saha SK, Ludwig D, Onishi T, Oyenuga O, Schelbert EB, Schwartzman D, Gorcsan J. Global circumferential strain from routine cardiac magnetic resonance image analysis using a novel off-line approach: Comparison with echocardiographic strain and left ventricular ejection fraction. Circulation, (124): A11953, 2011.

• Hara H, Oyenuga O, Tanaka H, Adelstein EC, McNamara D, Schwartzman D, Saba S, Gorcsan J. Impact of mechanical dyssynchrony on long term outcome in patients with non left bundle branch block after Cardiac Resynchronization Therapy. Circulation, (124): A11834, 2011.

• Onishi T, Onishi T, Oyenuga O, Haberman SC, Saba S, Gorcsan J. Mitral regurgitation with mechanical dyssynchrony as a substrate associated with long-term survival after Cardiac Resynchronization Therapy. Circulation, (124): A9973, 2011.

• Onishi T, Oyenuga O, Haberman SC, Onishi T, Adelstein EC, Saba S, Gorcsan J. The WISE Score: A new index for predicting outcome after Cardiac Resynchronization Therapy using simple clinical data. Circulation, (124): A11338, 2011.

• Onishi T, Haberman SC, Oyenuga O, Onishi T, Tanaka T, Simon M, Champion H, Gorcsan J. Three dimensional speckle tracking strain evaluation of right ventricular mechanics in patients with pulmonary arterial hypertension. Circulation, (124): A11360, 2011.

• Oyenuga O, Onishi T, Onishi T, Haberman SC, Saba S, Gorcsan J. Association of radial dyssynchrony assessed by six-segment standard deviation and long term outcome following Cardiac Resynchronization Therapy. J Am Soc of Echocardiolography, (24): B37, May 2011.

• Onishi T, Oyenuga O, Haberman SC, Onishi T, Adelstein EC, McNamara DM, Gorcsan J. Associations of gender and degree of ventricular dilatation of long term survival after Cardiac Resynchronization Therapy. J Am Soc Echocardiolography, (24): B38, May 2011.

• Haberman SC, Oyenuga O, Adelstein EC, Johnson L, Kim HN, Shroff S, Gorcsan J. The usefulness of a novel automated echocardiographic image analysis program to quantify dyssynchrony and predict long term survival after Cardiac Resynchronization Therapy. J Am Soc of Echocardiolography, (24): B37, May 2011.

• Onishi T, Onishi T, Oyenuga O, Haberman SC, McNamara D, Gorcsan III J. Acute reduction in mitral regurgitation after Cardiac Resynchronization Therapy is associated with favorable long term outcome. J Am College of Cardiology, (57): E350, April 2011.

• Onishi T, Onishi T, Oyenuga O, Haberman SC, Saba S, Gorcsan III J. Acute reduction in post-systolic shortening velocity is associated with response to Cardiac Resynchronization Therapy. J Am College of Cardiology, (57): E866, April 2011.

• Hara H, Oyenuga O, Haberman SC, Adelstein EC, Saba S, Gorcsan III J. Impact of baseline QRS morphology combined with mechanical dyssynchrony on long-term survival after Cardiac Resynchronization Therapy. J Am College of Cardiology, (57): E99, April 2011.

• Onishi T, Habib P, Oyenuga O, Haberman SC, Onishi T, Adelstein E, Saba S, Gorcsan J. Impact of left ventricular volumes on survival following Cardiac Resynchronization Therapy in patients with and without ischemic disease. J Am College of Cardiology, (57): E344, April 2011.

• Onishi T, Onishi T, Oyenuga O, Haberman SC, Saba S, Gorcsan J. Predictors of improvement in mitral regurgitation in heart failure patients following Cardiac Resynchronization Therapy. J Am Society of Echocardiolography, (24): B39, April 2011.

• Oyenuga O, Haberman SC, Onishi T, Onishi T, Adelstein W, Saba S, Gorcsan III J. Which echocardiographic marker of left ventricular response predicts long term survival after resynchronization therapy? J Am College of Cardiology, (57): E102, April 2011.

• Oyenuga O, Habib PJ, Bachman T, Severyn D, Simon M, McNamara DM, Kormos R, Gorcsan J. Global circumferential strain predicts left ventricular recovery in heart failure patients on mechanical circulatory support. Circulation, (122): 15965, 2010.

• Haberman SC, Habib PJ, Oyenuga O, Tanaka H, Adelstein E, Gorcsan J. Echocardiographic dyssynchrony by tissue doppler, speckle tracking and routine pulsed doppler are additive to predict survival following Cardiac Resynchronization Therapy. Circulation, (122): A12662, November 2010.

• Oyenuga O, Habib HJ, Haberman SC, Tanaka H, Adelstein E, Saba S, Gorcsan J. Echocardiographic yu index along with degree of QRS widening predicts survival following Cardiac Resynchronization. Circulation, (122): A13016, November 2010.

• Habib PJ, Oyenuga O, Haberman SC, Tanaka H, Adelstein E, Gorcsan J. QRS duration and radial dyssynchrony are associated with survival in patients with ischemic cardiomyopathy undergoing Cardiac Resynchronization Therapy. Circulation, (122): A12345, November 2010.

• Habib PJ, Oyenuga O, Haberman SC, Tanaka H, Adelstein E, Onishi T, Gorcsan J. The degree of baseline radial dyssynchrony predicts long-term survival following Cardiac Resynchronization Therapy. Circulation, (122): A12369, November 2010.

• Tanaka H, Oyenuga O, Habib P, Saba S, Gorcsan J. Association of short-term improvement in left ventricular torsion by Echocardiographic Speckle-Tracking with long-term outcome after Cardiac Resynchronization Therapy. J Am Soc of Echocardiolography, (23): B15, May 2010.

• Habib PJ, Oyenuga O, Tanaka H, Haberman SC, Adelstein E, Gorcsan J. Novel transverse speckle tracking dyssynchrony predicts response to Cardiac Resynchronization Therapy. J Am Society of Echocardiolography, (23): B16, May 2010.

• Oyenuga O, Habib P, Tanaka H, Adelstein E, Gorcsan J. Speckle tracking echocardiographic radial strain predicts survival in patients with narrower QRS duration following Cardiac Resynchronization. J Am Soc of Echocardiolography, (23): B15, May 2010.

• Tanaka H, Oyenuga O, Habib P, Saba S, Gorcsan J. Three-dimensional speckletracking radial strain predicts ejection fraction response to Cardiac Resynchronization Therapy. J Am Society of Echocardiolography, (23): B17, May 2010.

• Tanaka H, Oyenuga O, Habib P, Haberman SC, Saba S, Gorcsan J. Clinical and echocardiographic characteristics of heart failure patients with wide QRS but without mechanical dyssynchrony and their response to Resynchronization Therapy. J Am College of Cardiology, (55): A95.E897, March 2010.

• Habib P, Oyenuga O, Tanaka H, Haberman SC, Adelstein EC, Gorcsan J. Echocardiographic dyssynchrony predicts survival following Cardiac Resynchronization Therapy. J Am College of Cardiology, (55): A84.E793, March 2010.  

• Haberman SC, Adelstein EC, Tanaka H, Oyenuga O, Habib P, Gorcsan J. Gender similarities in survival following Cardiac Resynchronization Therapy despite differences in patient characteristics. J Am College of Cardiology, (55): A4.E35, March 2010.

• Tanaka H, Oyenuga O, Habib P, Adelstein EC, Gorcsan J. Multiplane speckle tracking imaging to quantify dyssynchrony and predict long-term outcome after Cardiac Resynchronization Therapy. J Am College of Cardiology, (55): A66.E621, March 2010.

• Oyenuga O, Habib P, Tanaka H, Haberman SC, Adelstein EC, Saba S, Gorcsan J. Survival benefit from Cardiac Resynchronization Therapy in patients with borderline QRS duration. J Am College of Cardiology, (55): A3.E26, March 2010.

• Tanaka H, Oyenuga O, Habib P, Saba S, Gorcsan J. Three-dimensional radial, circumferential and longitudinal speckle-tracking strain to quantify dyssynchrony. J Am College of Cardiology, (55): A78.E735, March 2010.

• Hara H, Tanaka H, Oyenuga O, Kim HN, Schwartzman D, Saba S, Gorcsan J. Differences in dyssynchrony and ejection fraction response to Cardiac Resynchronization Therapy in patients with and without left bundle branch block. J Am Society of Echocardiolography, (22): 577, May 2009.

• Hara H, Tanaka H, Oyenuga O, Kim HN, Schwartzman D, Saba S, Gorcsan J. Speckle tracking anteroseptal strain patterns predict response after Cardiac Resynchronization Therapy. J Am Society of Echocardiolography, (22): 581, May 2009.

• Hideyuki H, Hidekazu T, Oyenuga O, Han-Na K, Schwartzman D, Gorcsan J. Comparison of dyssynchrony and response to Resynchronization Therapy in patients with intrinsic left bundle branch block to those with chronic right ventricular pacing. J Am College of Cardiology, (53): A135, March 2009.

• Hideyuki H, Hidekazu T, Oyenuga O, Han-Na K, Schwartzman D, Gorcsan J. Improvements in repolarization following Cardiac Resynchronization Therapy are associated with ejection fraction response and improvements in mechanical dyssynchrony. J Am College of Cardiology, (53): A126, March 2009.

• Hideyuki H, Oyenuga O, Hidekazu T, Han-Na K, Saba S, Gorcsan J. Additive value of interventricular mechanical delay to intraventricular dyssynchrony for predicting response to Cardiac Resynchronization Therapy. Circulation, (118): S_870, October 2008.

• Han-Na K, Hideyuki H, Hidekazu T, Oyenuga O, Schwartzman D, Gorcsan J. Comparison of dyssynchrony in heart failure patients with narrow QRS to those with wide QRS: Implications for Resynchronization Therapy. Circulation, (118): S_869-S_870, October 2008.

• Hidekazu H, Hideyuki H, Oyenuga O, Han-Na K, Schwartzman D, Gorcsan J. Degree of left ventricular dyssynchrony in heart failure patients is related to QRS width. Circulation, (118): S_780, October 2008.

• Oyenuga O, Hideyuki H, Hidekazu T, Han-Na K, Saba S, Gorcsan J. Usefulness of echochardiographic measures of dyssynchrony in patients with borderline QRS duration for selection for Resynchronization Therapy. Circulation, (118): S_870, October 2008.

• Onishi T, Onishi T, Oyenuga O, Haberman SC, Saba S, Gorcsan J. Relationship of post-systolic shortening to long-term survival after Cardiac Resynchronization Therapy. Circulation, 2011. (In Press) 

​

Presentations/Exhibits/Productions

• Oyenuga O. Electrical problems with the pump. Adavances in Heart Failure Management, Texas Tech University Health Sciences Center, 2018. (Peer Reviewed) Oyenuga O. Case Presentation National Meeting, American College of Cardiology (ACC), 2017.

• Oyenuga O. Comparison of Simple Pulsed Doppler Measures of Global Dyssynchony to Predict Ejection Fraction Response to Cardiac Resynchronization Therapy., University of Pittsburgh Medical Center, McKeesport, Pennsylvania, May 2008. 

BOARD CERTIFICATIONS:

• Clinical Cardiac Electrophysiology
• Cardiovascular Disease
• Internal Medicine

HOSPITALS:

• Baylor Scott & White Heart and Vascular Hospital - Dallas
• Baylor Scott & White Medical Center - Plano
• Baylor University Medical Center
• Medfinity Health Plano
• Medical City Dallas
• Medical City Frisco
• Medical City Heart Hospital
• Medical City Plano
• Methodist Richardson Medical Center
• North Park Heart & Vascular Center
• Texas Health | Allen
• Texas Health | Plano

HONORS/AWARDS:

• D Magazine's TOP 500 BUSINESS LEADERS - 2016
• D Magazine's Best Doctors in Collin County - 2013, 2018, 2021

EDUCATION:

• Fellowship, Cardiac Electrophysiology: Baylor University Medical Center, Dallas, TX 
• Fellowship, Cardiology: UT Southwestern Medical School, Dallas, TX
• Residency, Internal Medicine:  UT Southwestern Medical School, Dallas, TX 
• Internship, Internal Medicine:  UT Southwestern Medical School, Dallas, TX 
• Medical School, MD Degree: Emory University School of Medicine, Atlanta, GA 

BOARD CERTIFICATIONS:

• Interventional Cardiology
• Cardiovascular Disease
• Nuclear Cardiology
• Echocardiography
• Internal Medicine

HOSPITALS:

• Baylor Scott & White Medical Center - Lake Pointe
• Baylor Scott & White Medical Center - Plano
• Baylor Scott & White | The Heart Hospital - Denton
• Baylor Scott & White | The Heart Hospital - Plano
• Methodist Richardson Medical Center

EDUCATION:

• Fellowship, Interventional Cardiology:  Saint Vincent’s Hospital and Medical Centers, NY
• Fellowship, Cardiovascular Disease:  Saint Vincent’s Hospital and Medical Centers, NY
• Residency, Internal Medicine: Albert Einstein College of Medicine/Montefiore Medical Center, NY
• Medical School, MD Degree:  SUNY Stonybrook School of Medicine, NY
• Undergraduate, BS Degree:  CUNY City College, NY

HONORS/AWARDS:

• Saint Vincent’s Hospital and Medical Centers, New York (2007-2008)
• Saint Vincent’s Hospital and Medical Centers, New York (2004-2007)
• Albert Einstein College of Medicine/Montefiore Medical Center, New York (2001-2004)
• SUNY Stonybrook School of Medicine, New York (1994-2001)
• CUNY City College, New York (1994-2001)

PROFESSIONAL APPOINTMENTS:

• Medical Executive Committee, Member - Baylor Scott and White Medical Center at Garland, Texas (2012-2018)
• American Heart Association/Fellows Society of Greater New York, Fellow Liaison – St. Vincent's Hospital, NY (2005-2006)

PROFESSIONAL ASSOCIATIONS:

• The Society of Cardiovascular Angiography and Interventions, SCAI-Member (2007-present)
• North American Society of Cardiovascular Imaging, NASCI-Member (2006-present)
• American Society of Echocardiography, ASE-Member (2004-present)
• American Society of Nuclear Cardiology, ASNC-Affiliate Member (2004-present)
• American College of Cardiology, ACC-Member (2004-present)
• American Heart Association, AHA-Member (2004-present)
• American Medical Association, AMA-Member (2001-present)

PUBLICATIONS:

Research:

• Co-Investigator, "Vascular Supply of the Anterobasal Segment of the Left Ventricle, Retrospective review of 45 consecutive coronary angiography cases looking at the Anterobasal Segment contractility along with patency of the native Left Anterior Descending Artery and Left Internal Mammary Artery." (2005-2006)
• Co-Investigator, Worked with Dr.Thierry LeJemtel on the Brain Natriuretic Peptide (BNP) study. The purpose of the project was to determine if BNP levels could be used to determine the cardiovascular status of patients with Congestive Heart Failure (2002)

​

Presentations:

• Presentation: Pre-Op Clearance to the Anesthesia department at St.Vincent's Hospital and Medical Center. (2006)
• Electrocardiogram Interpretation for medical students and house staff at St. Vincent's Hospital and Medical Center/New York Medical College. (2004-2006)
• Over 100 presentations through out fellowship in case management conferences, cardiac catheterization conferences, M & M and cardiac surgical conferences, Journal club conferences, Cardiac Critical Care conferences, EP, Echo, EKG, CHF and Nuclear conferences

Ramon (Ray) Kumar, M.D., is board-certified in cardiovascular disease and interventional cardiology. He specializes in coronary artery disease, peripheral vascular disease, congestive heart failure, palpitations, and valve disease. Dr. Kumar practices at HeartPlace Allen, Texas, where he is committed to providing the highest quality of care to his patients.

Dr. Kumar earned his Doctor of Medicine degree at UT Southwestern in Dallas, Texas. He completed his residency in internal medicine at Harvard Medical School/Beth Israel in Boston, Massachusetts, followed by multiple fellowships at the prestigious Texas Heart Institute in Houston, Texas.

Dr. Kumar has long served as a leader in the field of cardiology. His extensive experience includes directing catheterization labs and serving as STEMI Director in multiple healthcare systems, ensuring optimal care for acute heart attack patients. With his expertise in peripheral vascular interventions, complex coronary revascularization, and valve disease procedures, Dr. Kumar often manages challenging cases referred from across Texas and beyond.

Dr. Kumar’s dedication to his patients stems from a personal commitment to treating each individual like family, inspired by his own experiences. Outside of his medical practice, Dr. Kumar enjoys spending time with his wife and three children, weightlifting, swimming, playing pickleball, and exploring physics and philosophy.

BOARD CERTIFICATIONS:

• Cardiovascular Disease
• Interventional Cardiology

EDUCATION:

• Fellowship, Interventional Cardiology: Texas Heart Institute, Houston, TX
• Residency, Internal Medicine: Harvard Medical School/Beth Israel, Boston, MA
• Medical School, MD Degree: UT Southwestern, Dallas, TX

HONORS & AWARDS:

• Outstanding Resident Teacher Award, Harvard Medical School
• Chief Interventional Fellow, Texas Heart Institute

OFFICE LOCATION:

HeartPlace Allen
1105 N. Central Expy., Bldg. 2 Ste. 2330
Allen, TX 75013

Office: 972-649-6511

Fax: 844-290-4360

Schedule Appointment with Dr. Rahimizadeh here

BOARD CERTIFICATIONS:

• Cardiovascular Disease

LANGUAGES:

• English
• Spanish
• Farsi

HOSPITALS:

• Methodist Richardson Medical Center
• PAM Rehabilitation Hospital of Allen
• Vibra Hospital of Richardson

EDUCATION:

• Fellowship, Cardiology: U.C.L.A. School of Medicine, Los Angeles, CA 
• Residency, Internal Medicine:  U.C.L.A. School of Medicine, Los Angeles, CA 
• Internship, Internal Medicine:  U.C.L.A. School of Medicine, Los Angeles, CA 
• Medical School, MD Degree: Tufts University School of Medicine, Medford/Somerville, MA

BOARD CERTIFICATIONS:

• Interventional Cardiology
• General Cardiology

HOSPITALS:

• Medical City Plano
• Texas Health Allen
• Texas Health Frisco
• Texas Health Plano

EDUCATION:

• Fellowship, Interventional Cardiology: Baylor College of Medicine, Houston, TX
• Fellowship, Cardiovascular Disease: Baylor College of Medicine, Houston, TX
• Residency, Internal Medicine:  Baylor College of Medicine, Houston, TX
• Medical School, MD Degree:  Medical College of Virginia, Virginia Commonwealth, Richmond, Virginia 
• Graduate School, Masters of Science in Physiology Degree:  Medical College of Virginia, Virginia Commonwealth, Richmond, Virginia
• Undergraduate, Bachelors of Science in Biology Degree (Departmental Honors): Mary Washington College, Fredericksburg, Virginia 

PROCEDURAL SKILLS:

• Complex Coronary & Peripheral Interventions
• Heart Catheterizations
• Percutaneous Support Devices (Impella, IABP)
• Venous Reflux Disease & Ablation Therapy
• TAVR

PUBLICATIONS/MEDIA:

Publications:

• Brown WR, Levine, G. “Chest Pains and Angina”. In Levine, G, Cardiology Secrets (4th , pp. 110-116). Philadelphia, PA: Elsevier Saunders. (2014).

• Salloum FN, Abbate A, Houser J, Mudrick C, Roy S, Brown WR, Qureshi I, Prabhakar S and Kukreja R. “Sildenafil (Viagra) Attenuates Ischemic Cardiomyopathy and Improves Left Ventricular Function in Mice”. Am J Physiol Heart Circ Physiol. 2008 Mar;294(3):H1398-406. Epub. Jan 25, 2008.

• Majid M, Brown WR, Divakaran V, Virani S. “Pulmonic Valve Endocarditis, A Case Report.” Submitted to Texas Heart Inst Journal.

• Divakaran VG, Brown WR, Virani S. “Images in Echocardiography: A Freely Floating Saphenous Vein Graft.” Echocardiography. Vol 26. Aug, 2009.

• Brown WR. Assisted Drs. R. Kukreja and F. Salloum in the investigation of PDE-5 inhibitors and their role in cardio protection. “Chronic Inhibition of PDE-5 with Sildenafil (Viagra) Attenuates Ischemic Cardiomyopathy and Improves Left Ventricular Function in Mice”. 2007.

• Brown WR. Worked with Dr. T. Duane (Trauma Surgery) in the Medical College of Virginia Emergency Department. This research considered the value of pelvic/cervical spine films, and outcomes in various patient populations, including the obese and the diabetic patient. “The Role and Influence of Plain Films and Patient Demographics on Outcomes in the Trauma Bay." 2006.

• Brown WR. Worked with Dr. J. Feher to complete a thesis in physiology research. “Continuous Chemiluminescent Measurement of Superoxide in Intact Rat Hearts During Ischemia-Reperfusion.” 2002-2003.

• Brown WR. As a candidate for Biology departmental honors, worked with Dr. K. Loesser to complete a thesis in biological research. In May of 2001, presented research to the Virginia Academy of Science. The work subsequently appeared in the Academy’s publication. “Vitamin E: Efficacy of Gamma-Tocopherol vs. Alpha-Tocopherol in Atherosclerosis Prevention.” 2000-2001.

Poster Presentations:

• Oliver PA, Brown WR, Regan C, Stoltzfus J, Ornato JP. “Correlation Between Heart Rate in Pre-Hospital Patients In Atrial Fibrillation With Rapid Ventricular Response And Blood Serum Magnesium Levels”. AAEM meeting, Las Vegas, NV. Feb 2010.

• Salloum F, Abbate A, Brown WR, Hoke N, Kukreja RC. “Phosphodiesterase Inhibitors Reduce Myocardial Infarction, Apoptosis and Improve Post Ischemic Ventricular Function in Female Mice”. ACC meeting, Chicago, IL. March, 2008.

Get Medical Records From Dr. Singh's Previous Office

BOARD CERTIFICATIONS:

• Cardiovascular Disease
• Nuclear Cardiology
• Echocardiography
• Cardiac CT (pending)

LANGUAGES:

• English
• Hindi
• Punjabi

HOSPITALS:

• Baylor Scott & White Heart and Vascular Hospital - Dallas
• Baylor University Medical Center
• Hunt Regional Medical Center
• Texas Health Rockwall

EDUCATION:

• MBA, Graduated with Honors: University of Texas at Dallas Naveen Jindal School of Business, Dallas, TX
• Fellowship, Heart Failure/Transplant Hospitalist: Division of Cardiology, University of Washington Medical Center, Seattle, WA
• Fellowship, Cardiovascular Medicine: SUNY, Buffalo, NY
• Residency, Internal Medicine: University of Washington Medical Center, Seattle, WA
• Internship, Internal Medicine: University of Washington Medical Center, Seattle, WA
• Medical School, MD Degree: University of Washington School of Medicine, Seattle, WA
• Undergraduate: Bachelor of Science in Biology, with Honors, University of Puget Sound, Tacoma, WA

PROFESSIONAL APPOINTMENTS:

• Member: Quality and Safe Committee - Baylor Heart and Vascular Hospital (2014-present)
• Director: Hunt Regional Hospital Cardiac Cath Lab (2012-2014)
• Partner: Cardiology Consultants of Texas, Dallas, TX (2014-present)
• Member: Quality Assurance Committee - Buffalo Medical Group (2010-2012)
• Assistant Professor: University of Rochester Medical Center (2008-2011)

HONORS/AWARDS:

• Chief Cardiology Fellow - SUNY Buffalo Cardiology Fellowship (2006-2007)
• Nominated for Best Resident Teacher Award by medical students as residents (2002)
• Elected UW Alumni Representative for class 2001 - University of Washington School of Medicine (2001)
• Klea Bartirakas Award - Western Regional Medical Student Research Forum, Carmel, CA, Best Oral Presentation out of over 400 medical students from all over North America (2000)
• Best Oral Research Presentation, National Student Research Forum, Galveston, TX - In Epidemiology and Infectious Diseases for AIDS project in North India (1999)
• Elected Medical Student Association (MSA) Class Secretary (1999)

PROCEDURES:

• EKG
• Echocardiography
• Nuclear Stress Testing
• Arterial & Venous Extremity Dopplers / ABIs
• Arrhythmia Monitoring
• Coronary Calcium Scoring & Coronary CTA
• Cardiac MRI & MRI

SERVICES:

• Chest Pain
• Atrial Fibrillation
• Hypertension
• Congestive Heart Failure
• Peripheral Arterial Disease
• Stress Testing
• Coronary Artery Disease
• Weight Loss