Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
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.
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
Aligeti Venkata R.; South Harry L.; Hirsh Jeffrey B.; et al. "Aorto-Right Atrial Fistula Following Transseptal Catheterization and Catheter Ablation for Atrial Fibrillation". Journal of Cardiovascular Electrophysiology Vol. 23. Issue 6 Pages 659-661. June 2012.
South, Harry; Bains Jujhar; Hirsh Jeffrey . "Unusual Complication of Pacemaker Implantation/Revision: Secondary Endocarditis Due to Fracture and Embolization of an Introducer Sheath". Catheterization and Cardiovascular Interventions. Vol 79. Issue 2, Page 339 – 343. February 2012.
South, Harry. "Knowledge is Power: Exploring the Knowledge, Attitudes, and Practices of Community Members from Mampong and Axim towards Tuberculosis". National Medical Fellowships, Ghana, West Africa. March 2009 - May 2009.
South, Harry. "A Cardiologist’s Nightmare: Secondary (iatrogenic) Endocarditis Due to a Venous Introducer Sheath". Case Presentation, American College of Physicians, Tennessee Chapter Annual Meeting. September 2010.
Fellowship, Cardiology: UT Southwestern, Dallas, TX
Residency, Internal Medicine: UT Southwestern, Dallas, TX
Internship, Internal Medicine: UT Southwestern, Dallas, TX
Medical School, MD Degree: Emory University School of Medicine, Atlanta, GA
Graduate,Master of Public Health, Epidemiology: Rollins School of Public Health, Atlanta, GA
Undergraduate,Bachelor of Science Biochemistry/BA Classics (Summa Cum Laude): Hofstra University, Hempstead, NY
PROCEDURAL SKILLS:
Transthoracic and transesophageal echocardiograms
Cardiac stress tests
Cardiac CT angiography
Cardiac CT structural imaging
LEADERSHIP & VOLUNTEER ACTIVITIES:
Session Leader: Led medical student small group sessions teaching cardiology skills, including EKG interpretation and echocardiography performance (2021–Present)
Orientation Coordinator: Organized a dozen orientation lectures for incoming cardiovascular disease fellows (2021)
Writer: Contributed to bi-monthly primary literature evaluation of Journal Watch, a resident-led online journal (2017–2019)
Editor: Served as editor to bi-monthly primary literature evaluation of Journal Watch, a resident-led online journal (2019–2020)
Hoeting, N, Oster, M. “Systolic Ejection Click vs. Split S1: Are Our Ears Deceiving Us?” Abstract accepted for oral presentation at American Academy of Pediatrics annual meeting, October 2016.
Hoeting, N. “Pre-operative Clearance: A Risky Business”. January 2022.
Hoeting, N. “Racial and Social Determinants of Health in the Congenital Heart Disease Population". April 2021.
Research
Analyzed coronary artery calcium on CT scans to improve cardiac preventative care across multiple centers. Developed analysis plan; first author on manuscript. July 2022–2023.
Collaborated with internal medicine residents to establish a standardized echocardiography teaching curriculum; led didactics and hands-on sessions. August 2022–2023.
Created medical education initiative to expand and standardize echocardiography curriculum for cardiology fellows. Selected dozens of high-quality echocardiography exams for a foundational lecture series. January 2022–2023.
Analyzed Dallas Heart Study using novel Liposcience algorithm for improved characterization of HDL particle sizes. Abstract written and presented at multiple research meetings in 2018. November 2017–June 2019.
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
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.
Fellowship, Interventional Cardiology: St. John's Hospital and Medical Center, Detroit, MI
Fellowship, Cardiovascular Disease: St. John's Hospital and Medical Center, Detroit, MI
Chief Resident: St. John's Hospital and Medical Center, Detroit, MI
Residency, Internal Medicine: St. John's Hospital and Medical Center, Detroit, MI
Medical School, MD Degree: American University of the Caribbean, Coral Gables, FL
Undergraduate: State University of New York at Buffalo School of Medicine, Buffalo, NY
PROFESSIONAL APPOINTMENTS:
Medical Director of the North Central Texas Trauma Regional Advisory Council Cardiac Committee (Current)
Medical Director CV Services Chest Pain Center – Wise Health System (2/2023)
Physician of the Month – The Villages Regional Hospital (4/2017)
Chief Cardiology Fellow – Ascension St John Hospital (7/2013)
Chief Medical Resident – Ascension St John Hospital (7/2010)
Intern of the Year – Ascension St John Hospital (6/2008)
PUBLICATIONS:
Presentations and Electronic Media
Primary Care Physicians and Cardiologists: Recognizing and Bridging the Gaps in Lipid Management. Usman Hashmi MD, James J. Maciejko PhD FACC, Susan Szpunar PhD, Howard Rosman MD FACC – National Cardiovascular Disease Registry (NCDR) Conference – Thurs 3/7/13.
Case Presentation “Hearing Loss, Achilles Tendon Rupture, Acute Aortic Insufficiency: A Case of Cogan’s Syndrome” Usman Hashmi MD, Randy Tashjian MD, Howard Rosman MD Michigan Chapter ACC 2012 Cardiovascular Summit – Sunday September 30th, 2012 1st Place – Oral Case Competition.
A Case for Patient Safety: Central Venous Catheter Related Cardiac Injury Shwan Jalal MD, Usman Hashmi MD, Nancy Mesiha MD. Michigan ACC Regional Meeting.
Seeing the Moon but Missing the Stars: A case of Balint’s syndrome Sajid Ali MD, Tareq Noureldeen MD, Usman Hashmi MD, Shyam Moudgil MD St John Hospital and Medical Center. Accepted abstract submission and poster presented at ACP Michigan meeting April 2011.
Pre-operative Use of Antiplatelet Therapy in Patients Undergoing CABG: Need Antiplatelet Agents be Stopped for 5 days? Usman Hashmi MD, Ramamanohara Pai MD, Howard Rosman MD, Susan Szpunar PhD, Thomas Lalonde MD, Sanjay Batra MD Presented Research Day St John Hospital and Medical Center, Wednesday May 5th 2010.
A Shocking Revelation Usman Hashmi MD, Tejwant Singh MD, Ramamanohara Pai MD St John Hospital and Medical Center, Detroit, Michigan. Accepted abstract submission and poster presented at ACP Michigan meeting 10/2/2010.
Alveolar Hemorrhage in an Octogenarian: An Unusual Presentation for Wegener’s Granulomatosis Usman Hashmi MD, William Ventimiglia MD FACP, MD. St John Hospital and Medical Center, Detroit, Michigan. Accepted abstract submission and poster presented at ACP Michigan meetings 5/9/2008 and 9/13/2008.
Boka’s Notes Internal Medicine APP, A Guide for Interns, Residents & Medical Students. Kamran Boka, MD. Application for IPAD OS and Android Platforms. July 2012. Reviewer: Usman Hashmi,MD.
Publications – Journals and Books
Management of Gastrointestinal Bleeding in Patients Anticoagulated with Dabigatran Compared with Warfarin: A Retrospective, Comparative Case Review. Wuttiporn Manatsathit MD, HusseinAl-hamid MD, Pornchai Leelasinjaroen MD, Usman Hashmi MD, Peter A. McCullough MD Cardiovasc Diagn Ther. 2014 Jun;4(3):224-31.
Literature Review: Age, Sex, and Symptoms and the Prevalence of Significant Coronary Artery Disease by Coronary Computed Tomographic Angiography Nancy Mesiha MD, Usman Hashmi MD, Chatchawan Piyaskulkaew MD, Peter A. McCullough MD. Reviews in Cardiovascular Medicine. Vol 12 – No 4, 2012.
Firas Yazigi, MD, Usman Hashmi, MD, Henry Yuan, MD, Karthiek Narala, MD, Peter A. McCullough, MD, MPH, FACC, FACP, FAHA, FCCP. Kathleen Stergiopoulos, MD, PhD, FASE, FACC and David L. Brown, MD, FACC editors. “Cardiovascular Issues and Renal Disease” Evidence-Based Cardiology Consult, K. Stergiopoulous, D.L.Brown. Springer, November 2013.
“Seat Belt Use By Police: Should They Click It?” von Kuenssberg Jehle, MD Dietrich, David G. Wagner, James Mayrose, Usman Hashmi. Journal of Trauma-Injury Infection & Critical Care 58(1), January 2005: 119-120
Fellowship, Clinical Cardiac Electrophysiology: Louisiana State University Health Sciences Center, New Orleans, LA
Fellowship, Cardiovascular Disease: Louisiana State University Health Sciences Center, New Orleans, LA
Residency, Internal Medicine: University of Arizona College of Medicine, Phoenix, AZ
Medical School, MD Degree: Medical University of South Carolina, Charleston, SC
Undergraduate, BS in Chemical Engineering: University of South Carolina, Columbia, SC
Undergraduate, BS in Chemistry: University of South Carolina, Columbia, SC
Undergraduate, Spanish Language Internship: Universidad de Salamanca, Salamanca, Spain, Spanish Language Internship
PROFESSIONAL ASSOCIATIONS:
American College of Cardiology
American College of Physicians
American Society of Nuclear Cardiology
American Medical Student Association
American Medical Association
HONORS/AWARDS:
Louisiana Chapter ACC FIT Jeopardy: First Place (2020)
Louisiana Chapter ACC FIT Jeopardy: First Place (2019)
Resident Research Academic Excellence Day Banner University Medical Center: First Place (2017)
High Value Competition Award Banner University Medical Center: First Place (2016)
PGY-1 Poster ACP Arizona Chapter Scientific Meeting: First Place (2015)
Medical University of South Carolina: Research Grant Awarded (2014)
University of South Carolina: Dean's List (2002-2007)
PUBLICATIONS:
Shao, Wanda; Drutel, Robert; Weiss, Jessica; Gerkin, Richard; et al. “QTc Prolongation Associated with Psychiatric Medications: A Retrospective Cross-sectional Study of Adult Behavioral Health Inpatients”. J Clin Psychopharmacol. 2019 Jan/Feb;39(1):72-77.
Drutel R.; Payne J.; Glancy L. “Bradycardia in a Man with Hypertension”. American Journal of Cardiology. Oct. 2019.
Jakkoju A.; Drutel R.; Ahmed J.; Cox-Alomar P.; Lelorier P.; Glancy L. “Myocarditis Presenting as Sudden Cardiac Death”. Journal of the Louisiana State Medical Society. 2019.
Kern J.; Drutel R.; Leanhart S.; Bogacz M.; Pacholczyk R. "Reduction of T cell receptor diversity in NOD mice prevents development of type 1 Diabetes but not Sjögren’s syndrome". PLoS One. 2014 Nov 7;9(11).
Drutel, R.; Jain, N.; Helmcke, F. “Chemotherapy Responsive Apical Left Ventricular Metastasis from Renal Cell Carcinoma". (2020, Accepted).
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