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.
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
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.
John E. Reuter and John C. Teeters, Chapter 18: Preoperative Cardiovascular Risk Assessment for Non-cardiac Surgery; Manual of Outpatient Cardiology; Editors JD Bisognano, R Beck, R Connell; Springer; 2012. 445-464
Michael W. Fong and John E. Reuter. Right Ventricular Tumor and Thrombus. Journal of the American College of Cardiology. 2008. 52(19):1598
Presentations:
Grand Rounds, Department of Medicine, University of Rochester. Transcatheter Aortic Valve Replacement for Severe Aortic Stenosis. November 13, 2012
ACC 2011 -- New Orleans, LA. External Multicenter Validation of the Mehran Risk Score for Contrast-Induced Nephropathy. April 4, 2011
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)
Pheochromocytoma: Presenting with regular cyclic blood pressure and inverted takotsubo cardiomyopathy. The Journal of Clinical Hypertension Feb 2009.
Heart Failure Conference: Heparin Induced Thrombocytopenia in Heart Failure Patients. Department of Cardiology, University of Rochester. Mar 2007.
Poster presentation: Idiopathic right ventricular failure post-pericardial window in a patient with cardiac tamponade. American College of Physicians: New York Chapter, 2004.
Microchip Technology for DNA Sequencing and Macromolecule Identification. l3th Annual Senior Project Conference, Department of Biomedical Engineering. Boston University. Apr 1998.
Natural history and long-term outcomes in Takotsubo cardiomyopathy. Department of Cardiology, Strong Memorial Hospital, Rochester, NY- Jun '08- Jun '10
Elucidation of the role of tissue kallikreins hKL2 and hKLs in renin-angiotensin system. Department of Cardiology, Strong Memorial Hospital, Rochester, NY- Aug '06- Jun '07
Correlation if transient ischemic dilation with echocardiogram documented left ventricular hypertrophy. Department of Cardiology, Strong Memorial Hospital, Rochester, NY Dec '04- Jun '05
Design and analysis of semi-conductor microchips for DNA sequencing. Boston University, College of Engineering, Boston, MA- Sep '97- May '98.
Fellowship, Cardiology/Advanced Cardiac Imaging: University of Texas Southwestern Medical Center, Dallas, TX
Cardiovascular Computed Tomography (CT) Certification: Johns Hopkins University School of Medicine, Baltimore, MD
Chief Medical Resident: University of Vermont College of Medicine, Larner College of Medicine, Burlington, VT
Residency, Internal Medicine: University of Vermont College of Medicine, Larner College of Medicine, Burlington, VT
Medical School, MD Degree: Clinical Sciences & Surgery/Imperial College London School of Medicine (2004-2010)
Undergraduate, B.S. Cardiovascular Sciences (Honors): National Heart and Lung Institute and Royal Brompton London Imperial College London School of Medicine, London, UK
Alraies, C, Raza, S, Ryan, JJ. Social Media in Cardiology. Circulation 2018. Article in press.
Rajiah P, Raza S, Saboo SS, Ghoshhajra B, Abbara S. Update on the Role of Cardiac Magnetic Resonance in Acquired Nonischemic Cardiomyopathies. J Thorac Imaging, 2016 Nov;31(6):348-366. PMID: 27438188
Chava S, Raza, S, El-Haddad M, Priest J, Ashikaga T, Dauerman H. A Regional Pharmacoinvasive PCI Strategy Incorporating Bleeding Avoidance Strategies. Coronary Artery Disease, 2015 Jan;26(1):30-6. PMID: 25279566
Raza Z, Waheed A, Rizvi S, Boehmer JP. The role of pre-conversion glomerular filtration rate in predicting long-term renal function after conversion to proliferation signal inhibitors in long-term heart transplant recipients. Manuscript. J Heart Lung Transplant. 2011 Nov;30(11):1301-2. Cited in PubMed, PMID: 21816626.
Raza S, Chava S, El Haddad M, Priest J, Ashikaga T and Dauerman HL. A Regional Pharmacoinvasive PCI Strategy Incorporating Bleeding Avoidance Strategies. AHA Scientific Sessions 2014. Baruah R, Raphael C, Rizvi S, Unsworth B, Sen S, Kyriacou A, Pabari P, Mayet J, Sutaria N, Francis DP. VTI ratio is both more variable and more time-consuming than peak velocity in calculating aortic valve area. European Heart Journal. 2010. Aug; 31(3-4): 200. PMID: 21355129
Shakur R, Yu C, Bucciarelli-Ducci C, Roussin I, Dweck M, Asimacopoulos E, Cheung I, Rizvi S, Pennell DJ, Prasad SK. Scar is an important predictor of adverse events in patients with chronic stable coronary artery disease. European Heart Journal. 2010. Aug; 31(581): 3352. PMID: 21355129
Shakur R, Yu C, Bucciarelli-Ducci C, Roussin I, Dweck M, Rizvi S, Pennell DJ, Prasad SK. Risk stratification in chronic ischemic heart disease: Is scar a better predictor of adverse outcome than LV ejection fraction? European Heart Journal. 2010. Aug; 31(271):1627. PMID: 21355129
Khadanga S, Raza, S. Lyme Carditis and Complete Heart Block: An Unusual Case of a Young Student. Journal of Medical Cases 2014;5(8):435-436
Rizvi S, Rizvi M. Super-specialism in surgery: a case of cardiac transposition. Internal Journal of Surgery. 2008. Dec; 6(6): 446-447. PMID: 18986854.
Rizvi S, Rizvi M. Perspectives from the Guest Student Editor. International Journal of Surgery. 2008. Dec; 6(6):432 Rizvi S, Baruah R, Unsworth B, Baksi J, Manisty C, Hadjiloz ou N, Mayet J, Francis D. VTI ratio is both more variable and more time-consuming than peak velocity in calculating aortic valve area. European Journal of Echocardiography. 2008. Abstracts supplement. Dec; 9. S135. PMID: 18948315.
Belmont Village Senior Living. "10 Things About Heart Health". February 12, 2020.
Parkway Hill Baptist Church. "Womens' Heart Health". February 2019.
Raza S, Vigen, R, Sadeghi N, Matulevicius S. The Use of Handheld Focused Cardiac Ultrasound (FoCUS) for EF Assessment at Parkland Memorial Hospital: A Quality Improvement Initiative With Novel Applications for Clinical Outcomes. High Value Practice Academic Alliance National Conference. Johns Hopkins University. 2018.
Raza, S, Vigen, R, Matulevicius S. The Use of Handheld Focused Cardiac Ultrasound (FoCUS) for EF Assessment at Parkland Memorial Hospital: A Quality Improvement Initiative With Novel Applications for Clinical Outcomes. American Heart Association QCOR18 Scientific Sessions. AHA Young Investigator Award Semi-Finalist.
Raza S. A Curious Case of Loeffler Endocarditis. Poster Presentation at American College of Cardiology (ACC) Scientific Sessions 2018.
Raza S, Maroules C, Luna M. Sudden Cardiac Death: A Rare but Treatable Cause, a case of anomalous coronary artery. Poster presentation at American College of Cardiology (ACC) Scientific sessions 2017.
Raza S, Chava S, El Haddad M, Priest J, Ashikaga T and Dauerman HL. A Regional Pharmacoinvasive PCI Strategy Incorporating Bleeding Avoidance Strategies. Poster presentation at American Heart Association (AHA) Scientific Sessions 2014.
Raza S, Vigen R, Matulevicius S. The Use of Handheld Focused Cardiac Ultrasound (FoCUS) for EF Assessment at Parkland Memorial Hospital: A Quality Improvement Initiative with Novel Applications for Clinical Outcomes. Poster presentation at American Heart Association (AHA) QCOR 2018 scientific meeting.
Rizvi S, Baruah R, Baksi AJ, Unsworth B, Hadjilozou N, Mayet J, Francis DP. Peak velocity is quicker and less variable than VTI ratio in the assessment of aortic valve area. 13th Annual Meeting of the European Council for Cardiovascular Research. Hypertension, Volume 52, issue 4. Pages 762-763. 2008. Oct; 52(4): 762-763. PMID: 19371200. Conference presentation.
Raza S, Keating F. Shifting the goalposts: Updating the Appropriate Use Criteria for Radionuclide Imaging may increase the proportion of appropriately ordered tests. Poster presentation at ASNC Scientific Sessions 2014.
Raza S, Merrill S, Shenk H, Teleron A. An Innovative Simulation-Based ACLS Educational Program to Improve Competency, Skills and Leadership of Medicine Residents in Codes. AAMC Integrating Quality: Improving Value through Clinical Transformation, Education and Science Meeting, June 2015, Rosemont, IL. Poster presentation at AAMC Integrating Quality Conference.
Raza S, Stevens P, Mead A and Schneider DJ. Choosing Wisely, Reducing Inappropriate Transthoracic Echocardiography based on the appropriate use criteria in the in-patient setting. 11th Annual Jeffords Quality Forum, Larner College of Medicine, University of Vermont. April 2014. Poster presentation.
Raza, S, Vigen R, Matulevicius S. The Use of HandHeld Focused Cardiac Ultrasound (FoCUS) for EF Assessment in the Parkland Oncology Clinic. University of Texas Southwestern Women in Science & Medicine (WISMAC). Poster presentation. February 2018. Raza, S, Guinet P, Custaud MA, Levine, B. The effect of Lower Body Negative Pressure (LBNP) and Bed Rest on Cardiac MRI dimensions in healthy volunteers during a French Bed Rest Study.
European Space Agency (ESA). University of Texas Southwestern Women in Science & Medicine (WISMAC). Poster presentation. February 2018.
Scribner-Metcalf T, O'Toole J, Raza S (2015). A Case of Adult-Onset Urea Cycle Disorder (VT Chapter Winner), ACP Internal Medicine Meeting, Boston, Massachusetts.
Raza S and Schneider DJ. Hearts and Spades - A Rare Case of Apical Hypertrophic Cardiomyopathy (Yamaguchi's Syndrome); ACP Chapter Meeting. 2013. Poster presentation. Larner College of Medicine, University of Vermont.
Raza S and Jayaprakash-Sardana J. Necrotizing Granulomatous Rheumatoid Meningitis; ACP National Meeting. 2012. Poster presentation. New Orleans, Louisina. National ACP Conference meeting.
Raza S. A Curious Case of Weakness: a rare case of CPPD of the cervical spine. ACP Chapter Meeting. 2011. Poster presentation. Larner College of Medicine, University of Vermont.
Baruah, Raphael C, Rizvi S, Unsworth B, Sen S, Kyriacou A, Pabari P, Mayet J, Sutaria N, Francis DP. August 2010. VTI ratio is both more variable and more time-consuming than peak velocity in calculating aortic valve area. Poster presented at European Society of Echocardiography (ESC) 2010; Athens, Greece.
Rizvi S. Scar is an important predictor of adverse events in patients with chronic stable coronary artery disease; European Society of Cardiology Congress. 2010: Abstract Presentation. Stockholm, Sweden.
Rizvi S. Risk stratification in chronic ischemic heart disease: Is scar a better predictor of adverse outcome then LV ejection fraction; European Society of Cardiology Congress 2010. Abstract presentation. Stockholm, Sweden.
Raza S, Raza SS, Schneider DJ, LeWinter M. Choosing Wisely Campaign, Appropriateness of Transthoracic Echocardiography in the in-patient setting. Quality Improvement Project, Larner College of Medicine, University of Vermont. Data Collection. Authored Manuscript in process.
Raza S, Vigen R, Matulevicius S. The Use of Handheld Focused Cardiac Ultrasound (FoCUS) for EF Assessment in the Parkland Oncology Clinic. Poster Presentation selected for presentation at Celebration of Women in Science and Medicine, University of Texas Southwestern Medical Center, Women in Science and Medicine Advisory Committee (WISMAC) February 2018.
Raza S, Custaud MA, Guinet P, Levine, B. Raza, MD, MA Custaud, MD, Patrick Guinet, MD, Benjamin Levine, MD. The Effect of 18 day Head Down Tilt Bedrest and Lower Body Negative Pressure on Cardiac MRI measurements in Human and the effect of Nutritional and Exercise Countermeasures - funded by the European Space Agency. Poster Presentation selected Celebration of Women in Science and Medicine, University of Texas Southwestern Medical Center, Women in Science and Medicine Advisory Committee (WISMAC) February 2018.
Tornow K, Raza S, Rajiah P. Presentation Title: Comprehensive Role of Cardiac MRI in the Evaluation of Heart Failure with Preserved Ejection Fraction. Radiological Society of North America (2017).
Scribner-Metcalf T, O'Toole J, Raza S (2015). A Case of Adult-Onset Urea Cycle Disorder (VT Chapter Winner), ACP Internal Medicine Meeting, Boston, Massachusetts.
Raza S. (2011). A unique case of leptomeningeal carcinomatosis. Abstract Oral Presentation; ACP Chapter Meeting. Dartmouth Medical School, New Hampshire.
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)
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.
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
Ambulatory Care Achievement Award, Baylor College of Medicine (June 2014)
Outstanding Student Award, Department of Internal Medicine, Texas Tech School of Medicine (2011)
Alpha Omega Alpha Honor Medical Society (2010-present)
University Scholar Award (2005-2006, 2006-2007)
Honoree for College of Science Academic Excellence Reception (2003)
The National Dean's List (2002-2007)
PUBLICATIONS/MEDIA:
Thamwiwat, A, Sudhakar D, Paniagua D, and Denktas AE. Suspected coronary fat embolism after liposuction. Catheter Cardiovasc Interv. 2018;1-4.
Thamwiwat A, Levine GN. Chapter 14: Chest pains and Angina. Cardiology Secrets, 5th Edition. Ed. Glenn N. Levine. Philadelphia: Elsevier, 2018.125-134. Print.
Thamwiwat A, Mejia R, Nutman TB, Bates JT. (2014). Strongyloidiasis as a cause of chronic diarrhea, identified using next-generation Strongyloides stercoralis-specific immunoassays. Curr Trop Med Rep. 2014; 1:145-147.
Hira RS, Thamwiwat A, Kar B. Tandem. Heart placement for cardiogenic shock in acute severe mitral regurgitation and right ventricular failure. Catheter Cardiovascular Interv. 2014;82(2):319-322.
