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: Mount Sinai Hospital, New York, NY
Fellowship, Interventional Cardiology: University of Utah, Salt Lake City, UT
Fellowship, Cardiovascular Disease: University of Connecticut Health Center, Mansfield, CT
Residency, Internal Medicine: University of Connecticut Health Center, Mansfield, CT
Internship, Internal Medicine: University of Connecticut Health Center, Mansfield, CT
Medical School, MS Science: University of Connecticut, Mansfield, CT
Medical School, MBBS (MD): Gandhi Medical College, India
HONORS/AWARDS:
D Magazine’s 2025 Best Doctors in Collin County
Special/Best Interventional Fellow Award – 2012: awarded annually by Department of Interventional Cardiology, Mount Sinai Hospital.
Maxwell O Phelps Scholarship Award – 2007: awarded by the Dept. Of Medicine, Univ. Of Connecticut, for a skilled physician dedicated to excellence in scientifically-based medical care and to meticulous attention to the needs of the patients; a scholarly clinician who exhibits those qualities of character and dedication to the practice of medicine, consistent with the best traditions of the specialty of Internal Medicine.
First position in statewide (Connecticut) ACP's Medical Jeopardy-2005, 2006 & 2007 & sixth position in the Nationwide ACP's Medical Jeopardy-2005.
Program Director's letter of Appreciation for recognition of overall performance in the program in PGY1 (2004) & PGY2 (2005).
Hamilton Eaton Award-2002: awarded by the Dept. Of Nutrition, University of Connecticut, Storrs, for the best prospective PhD candidate.
Scholarship & Book Grant awarded in the X & IX National Science Talent Search Exam - 1994 and 1995, India.
PUBLICATIONS/AWARDS:
Molecular and Cellular Endocrinology Journal: Altered lipid catabolism in the vitamin A deficient liver. Hye Won Kang, Gautam Reddy Bhimidi, Daniel P. Odom, Pierre-Jacques Brun, Maria-Luz Fernandez and Mary M. McGrane. Volume 271, Issues 1-2, 15 June 2007, Pages 18-27
National Kidney Foundation: Rhabdomyolysis as Complication of Ehrlichiosis in a Renal Transplant Recipient. Roy Jhagroo, Nayan Gowda, Christine Vigneault, Gautam Bhimidi, Mathew Brown, Anne Lally, David Hull, and K. Vinay Ranga. Spring Clinical Meetings Abstracts April 10-14, 2007. Volume 49, Issue 4, Pages B1 - B24
The FASEB Journal, Experimental Biology 2004, Differential Gene Expression Associated with Vitamin A Deficiency and the Metabolic Outcome of Disrupted Lipid and Carbohydrate Metabolism. Gautam B Reddy, Daniel P. Odom, Kristy L. West, Maria-Luz Fernandez, Mary M. McGrane., Publication Date: 03 / 2004, Volume: 18, No: 4, Pages: A101, #103.3.
The FASEB Journal, Experimental Biology 2002, Localization of Retinoid Receptors and Nuclear Receptor Co regulators in Adult and Fetal Mouse Liver by Immunohistochemistry (IHC), Saheli Ghoshal, Daniel P. Odom, Gautam Bhimidi, Mary M. McGrane., Publication Date: 03 / 2002, Volume: 16, No. 4, Part I., Pages: A263, #216.8.
Circulation Journal Supplement 2011, Does angiographic coronary calcification predict future major adverse cardiovascular events independent of other risk factors, including coronary artery disease severity? Theophilus Owan, Heidi T. May, Gautam B. Reddy, Hussein N. Yamani, Shadi Karabesheh, Tami L. Bair, Patty Li, Jeffrey L. Anderson, Donald L. Lappé, Joseph B. Muhlestein. Volume 124, Issue 21 Supplement: November 22, 2011, #A14704
Fellowship, Cardiovascular Disease: University of Texas Southwestern Medical Center, Dallas, TX
Residency, Internal Medicine: Northwestern University Medical Center, Chicago, IL
Medical School, MD Degree: Magna Cum Laude; Ohio State University College of Medicine, Columbus, OH
Undergraduate: Johns Hopkins University. BA in Biology and Economics, with honors, Baltimore, MD
PUBLICATIONS/MEDIA:
Sharma S, Raman S, Benjamin S et al. Anterior wall viability and low ejection fraction predict functional improvement after CABG. Journal of Surgical Research 2011; 171:416-21.
Groh C, Sharma S, Pelchovitz DJ et al. Use of an electrocardiographic screening tool to determine candidacy for a subcutaneous implantable cardioverter-defibrillator. Heart Rhythm. 2014; 11:1361-6.
Reis JP, Allen N, Barone-Gibbs B, Lee J, Lewis C.E, Lima J, Lloyd-Jones D, Loria CM, Powell-Wiley TM, Sharma S, Wei GS, Liu K. Association of the degree of adiposity and duration of obesity with measures of cardiac structure and function: The CARDIA Study. Obesity. 2014; 22: 2434-40.
Sharma S, Colangelo LA, Lima J et al. Effects on cardiac remodeling of weight and weight change over 20 years: The Coronary Artery Risk Development in Young Adults Study (CARDIA). JACC. 2015; 65: 2463-5.
Sharma S, Colangelo LA, Allison MA et al. Association of serum leptin with future left ventricular structure and function: The Multi-Ethnic Study of Atherosclerosis (MESA). Int J Cardiol. 2015; 193: 64-68.
Sharma S, Colangelo LA, Lloyd-Jones D, Jacobs DR, Gross MD, Gidding SS, Greenland P. Longitudinal associations between adiponectin and cardiac structure differ by hypertensive status: Coronary Artery Risk Development in Young Adults (CARDIA). Cardiovascular Endocrinology. 2016; 5; 57-63.
You C, Sharma S, Bavishi A et al. Dialytic interval and the timing of electrocardiographic screening for subcutaneous cardioverter-defibrillator placement in chronic hemodialysis patients. J Interv Card Electrophysiol. Epub ahead of print
NATIONAL ABSTRACT/POSTER PRESENTATIONS:
Sharma S, Raman S, Sun B et al. Characteristics of patients that show improvement in left ventricular ejection fraction after a coronary artery bypass graft. American College of Surgeons Medical Student Program. October 2009, Chicago, IL.
Sharma S, Raman S, Sun B et al. Characteristics of patients showing improvement in left ventricular ejection fraction after surgical revascularization. Academic Surgical Congress. February 2010, San Antonio, TX.
Sharma S, Firstenberg M, Phillips G et al. Cardiac magnetic resonance predictors of left ventricular functional improvement after mitral valve repair for cardiomyopathy. American Heart Association Scientific Sessions. November 2011, Orlando, FL.
Sharma S, Colangelo L, Lima J et al. Longitudinal effects of obesity on cardiac remodeling: Coronary Artery Risk Development in Young Adults (CARDIA). American College of Cardiology Scientific Sessions. March 2014, Washington DC.
Sharma S, Colangelo L, Lima J et al. Association of leptin with cardiac remodeling: Coronary Artery Risk Development in Young Adults (CARDIA). American College of Cardiology Scientific Sessions. March 2014, Washington DC.
Friedman J, Sharma S, Katz DH et al. Stem cell transplantation is associated with prolonged recurrence-free survival in patients with cardiac AL amyloidosis. American College of Cardiology Scientific Sessions. March 2014, Washington DC.
Sharma S, Colangelo L, Allison M et al. Serum leptin is associated with less adverse future left ventricular structure and function: The Multi-Ethnic Study of Atherosclerosis (MESA). American College of Cardiology Scientific Sessions. March 2015, San Diego, CA.
Aagard P, Sharma S, McNamara D et al. Risk of Arrhythmia and Conduction Disease in Former National Football League Players. American College of Cardiology Scientific Sessions. March 2018, Orlando, FL.
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.
Bowden DM, Dubach MF, Snyder II RW, Askaris, German DC. Three-Dimensional Computer Analysis of MPTP-Induced Dopaminergic Cell Loss in the Monkey. Neuroscience Abstracts 9:166, 1985
Fellowship, Cardiovascular Disease: University of Texas Southwestern Cardiology Fellowship
Residency, Internal Medicine: University of Texas Southwestern Medical School at Dallas
Medical School, MD Degree: University of Texas Southwestern Medical School at Dallas
Undergraduate, B.S. Neurobiology: The University of Texas at Austin
HONORS/AWARDS:
UT Southwestern Alumni Scholarship (2010)
Phi Beta Kappa Honor Society / Sigma Alpha Lambda Honor Society (2009)
Walter B. Smith Jr. Scholarship (2008)
Gerlad Walker Memorial Scholarship, Scottish Rite Memorial Scholarship, Garland Rotary Club Scholarship, Garland Health Science Scholarship, National MS Society Scholarship, Garland HS Hockey Scholarship (2006)
Obagi A, Desai D, Mazahir U, Johnson D, Berger L. "Large Right Atrial Myxoma Presenting As Bilateral Pulmonary Embolism". Cureus. 2021 Jun 24;13(6):e15889. doi: 10.7759/cureus.15889. PMID: 34336411; PMCID: PMC8312776.
Obagi A, Tadepalli S, Reddy J, Cheriyath P, Okere A. "Complete Dissection of the Interventricular Septum Following Myocardial Infarction". Cureus. 2021 Jun 4;13(6):e15443. doi: 10.7759/cureus.15443. PMID: 34258112; PMCID: PMC8255049.
Ghetiya, S., Obagi, A., Calderon, D.. "‘Coughing Up Of Lung Tissue’: A Rare Case Of Plastic Bronchitis". Journal of the American College of Cardiology. 2017, Mar; 69(11): 2222.
Obagi, A., Ghetiya, S., Egnatovich, J., Heckkanellidis, J., Carson. M.,. (2017, March 18). "Compliance And Bleeding Using Updated Aha And Acc Heparin Dosing Guidelines For Non St Elevation Myocardial Infarction Patients". Journal of the American College of Cardiology, Volume 69, Issue 11 Supplement, March 2017 DOI: 10.1016/S0735-1097(17)34592-8.
Asif, A., Ghetiya, S., Obagi, A., Calderon, D., Mehandru, S., Masud, A., Salman, L., Dhamija, R.. "Subcutaneous ICDs"
Obagi, A., Calderon, D., Youdelman, B. (January, 2017). "Infective Endocarditis With Mechanical Aortic And Mitral Valves Replacement Complicated By Spontaneous Ascending Aortic Dissection And Rupture 20 Years Later". Poster presented at: MiamiValves; Miami, FL.
Obagi, A., Ghetiya, S., Carson, M., Berger, L.. (2017, May). "Incidental Finding of Basaloid Squamous Cell Carcinoma of the Thymus During Nuclear Stress Test Using Technetium (99mTc) Sestamibi". Poster presented at: American Thoracic Society (ATS); Washington, DC.
Obagi, A., Kretov, A., Demchuk, B., Johnson, D., Girardi, L., Chinnici. A.,. (2019, May). "Unusual Presentation of Chronic Type A Aortic Dissection (CTAD)". Poster presented at: American Thoracic Society (ATS); Dallas, TX.
Obagi A., Mazahir, U., Johnson, D., Berger, L.,. (2019, May). "Right Atrial Myxoma Presenting with Pulmonary Embolism". Poster presented at: American Thoracic Society (ATS); Dallas, TX.
Mazahir, U., Obagi, A., Okere, A., and Simsir, S.,. (March, 2019). "A Complicated Case Of Triple Valve Endocarditis With Emboli Successfully Treated With Surgery". Poster presented at: American College of Cardiology; New Orleans, LA.
Ghetyia, S., Kalathil, S., Obagi, A., Mccourt, K., Asif, A., Calderon, D. "The Use of Renin-Angiotensin System Inhibitors and Aldosterone Receptor Antagonists in Heart Failure Patients with CKD". Poster presented at: American Society of Nephrology; New Orleans, LA.
Ramanath VS, Thompson CA. STEMI: Adjunctive Therapies for Primary PCI In: The SCAI Interventional Cardiology Board Review. Lippincott Williams and Wilkins. 2013.
Ramanath VS, Thompson CA. STEMI: Reperfusion (Primary PCI vs Thrombolysis) In: The SCAI Interventional Cardiology Board Review. Lippincott Williams and Wilkins. 2013.
Ramanath VS, Thompson CA. Guidewires and Balloons - the Primer In: Textbook of Cardiovascular Intervention. Springer. 2013.
Ramanath VS, Eagle KA. Guideline adherence and outcomes in coronary heart disease and heart failure In: UpToDate, Rose, BD (Ed), UpToDate, Waltham, MA, 2007, 2008, 2009, 2010, 2011, 2012.
Ramanath VS, Oh JK, Sundt III TM, Eagle KA. Acute aortic syndromes and thoracic aortic aneurysm In: Cardiovascular Diseases: Diagnosis and Management, Gerber TC, Asirvatham SJ, Lavie CJ, Oh JK (Ed), Mayo Foundation for Medical Education and Research, Rochester, MN, 2010.
Scientific Publications:
Ramanath VS, Thompson CA. Coronary chronic total occlusion recanalization - current techniques and approaches. Interventional Cardiology Review. 2013;8(1):41-5.
Zlotnick DM, Ramanath VS, Brown JR, Kaplan AV. Classification and treatment of coronary artery bifurcation lesions: putting the Medina classification to the test. Cardiovasc Revasc Med2012 Jun 13 (Epub).
Ramanath VS, Szot CR, Andrus BW, Kaplan AV, Robb JF. Takotsubo cardiomyopathy following administration of midodrine. Tex Heart Inst J. 2012;39(1):158-159.
Robert AM, Brown JR, Sidhu MS, Ramanath VS, DeVries JT, Jayne JE, Hettleman BD, Friedman BJ, Niles NW II, Kaplan AV, Malenka DJ, Robb JF, Thompson CA. The evaluation of creatinine clearance, estimated glomerular filtration rate, and serum creatinine in predicting contrast-induced acute kidney injury among patients undergoing percutaneous coronary intervention. Cardiovasc Revasc Med. 2012;109(1):122-7.
Suzuki R, Isselbacher EM, Nienaber CA, Pyeritz RE, Eagle KA, Tsai TT, Cooper JV, Januzzi JL, Braverman AC, Montgomery DG, Fattori R, Pape L, Harris KM, Booher A, Oh JK, Peterson M, Ramanath VS, Froehlich JB. Type-selective benefits of medications in treatment of acute aortic dissection (from the International Registry of Acute Aortic Dissection [IRAD]). Am J Cardiol. 2012;109(1):122-7.
Ramanath VS, Eagle KA, Nienaber CA, Isselbacher EM, Froehlich JB, Cooper JV, Gu X, Evangelista A, Meinhardt G, Beckman J, Myrmel T, Pape L, Pyeritz RE, Hirsch AT, Bossone E. The role of preoperative coronary angiography in the setting of type A acute aortic dissection: Insights from the International Registry of Acute Aortic Dissection. Am Heart J. 2011;161(4):790-796.e1.
Booher AM, Isselbacher EM, Nienaber CA, Froehlich JB, Trimarchi S, Cooper JV, Demertzis S, Ramanath VS, Januzzi JL, Harris KM, O'Gara PT, Sundt III TM, Pyeritz RE, Eagle KA. Ascending thoracic aorta dimension and outcomes in acute type B dissection (from the International Registry of Acute Aortic Dissection [IRAD]). Am J Cardiol. 2011;107(2):315-320.
Ramanath VS, Brown JR, Malenka DJ, DeVries JT, Sidhu MS, Robb JF, Jayne JE, Hettleman BD, Friedman BJ, Niles NW II, Kaplan AV, Thompson CA. Outcomes of diabetics receiving bare-metal stents versus drug-eluting stents. Catheter Cardiovasc Interv. 2010;76(4):473-81.
Olomu AB, Grzybowski M, Ramanath VS, Rogers AM, Motyka-Vautaw B, Chen B, Roychoudhury C, Jackson EA, Eagle KA. Evidence of disparity in the application of quality improvement efforts for the treatment of acute myocardial infarction: the American College of Cardiology's Guidelines Applied in Practice initiative in Michigan. Am Heart J. 2010 Mar;159(3):377-384.
Ramanath VS, Armstrong DF, Grzybowski M, Rahnama-Mohagdam S, Tamhane UU, Gordon K, Froehlich JB, Eagle KA, Jackson EA. Discharge medication use and outcomes in acute coronary syndrome patients with non-obstructive coronary artery disease. Clin Cardiol. 2010 Jan;33(1):36-41.
Ramanath VS, Oh JK, Sundt III TM, Eagle KA. Acute aortic syndromes and thoracic aortic aneurysm. Mayo Clinic Proc. 2009 May;84(5):465-481.
Motivala AA, Tamhane U, Ramanath VS, Saab F, Montgomery DG, Fang J, Kline-Rogers E, May N, Ng G, Froehlich J, Gurm H, Eagle KA. A prior myocardial infarction: how does it affect management and outcomes in recurrent acute coronary syndromes? Clin Cardiol. 2008 Dec;31(12):590-596.
Rogers AM, Ramanath VS, Grzybowski M, Riba AL, Jani SM, Metha R, De Franco AC, Parrish R, Skorcz S, Baker PL, Faul J, Chen B, Roychoudhury C, Elma MAC, Mitchell KR, Froehlich JB, Montoye C, Eagle KA. The association between guideline-based treatment instructions at the point of discharge and lower 1-year mortality in Medicare patients after acute myocardial infarction: The American College of Cardiology's Guidelines Applied in Practice (GAP) initiative in Michigan. Am Heart J. 2007 Sept;154(3): 461-469.
Ramanath VS, Eagle KA. Evidence-based medical therapy of patients with acute coronary syndromes. Am J Cardiovasc Drugs. 2007;7(2): 95-116.
Vasaiwala S, Nolan E, Ramanath VS, Fang J, Kearly G, Van Riper S, Kline-Rogers E, Otten R, Cody RA, Eagle KA. A quality guarantee in acute coronary syndromes: The ACC's GAP program taken real-time. Am Heart J. 2007 Jan;153(1):16-21.
Ramanath VS, Lacomis JM, Katz WE. Diagnosis of pulmonary embolism by acute right heart morphologic and hemodynamic changes observed during exercise stress echocardiography. J Am Soc Echocardiogr. 2004 Sep;17(9):1005-8.
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)
Chief Fellow, Interventional Cardiology: Ascension Saint John Hospital, Detroit, MI
Fellowship, Interventional Cardiology: Ascension Saint John Hospital, Detroit, MI
Chief Fellow, General Cardiology: Ascension Saint John Hospital, Detroit, MI
Fellowship, General Cardiology: Ascension Saint John Hospital, Detroit, MI
Chief Resident, Internal Medicine: Case Western Reserve University/St. Vincent Charity Medical Center, OH
Residency, Internal Medicine: Case Western Reserve University/St. Vincent Charity Medical Center, OH
Residency, Internal Medicine: Damascus University Hospitals/Al-Assad and Al-Mouasat Hospitals, Syria
Medical School, MD Degree: Al-Ba´ath University, Faculty of Medicine, Homs, Syria
PROFESSIONAL ASSOCIATIONS:
Fellow, Society of Cardiovascular Angiography and Interventions (FSCAI)
Fellow, American college of Cardiology (FACC)
PUBLICATIONS:
Alasaad et al.. "Association of Race with Long-term Outcomes in Patients undergoing Popliteal and Infrapopliteal Percutaneous Peripheral Arterial Intervention." Cardiovasc Revasc Med. 2018 Oct 11. pii: S1553-8389(18)30454-8. doi: 10.1016/j.carrev.2018.10.014. https://www.ncbi.nlm.nih.gov/pubmed/30401590
"Cardiogenic Shock Complicating Acute Myocardial Infarction Treated With Percutaneous Coronary Intervention Supported by Impella: Implications of Advanced Age and Refractory Shock on Outcomes" Crit Care Explor. 2021 Jun 11;3(6):e0447. doi: 10.1097/CCE.0000000000000447. eCollection 2021 Jun. https://pubmed.ncbi.nlm.nih.gov/34136823/
Poster Presentations:
Alasaad Mohammad MD, Gordin Justin L. MD, Nagarajan Vijay MD and Tang W. H. Wilson MD. "Correlates of Spirometry to Invasively Measured Pulmonary Arterial Hemodynamics in Advanced Chronic Heart Failure". Poster presented at: 9th Annual Scientific meeting of the Heart Failure Society of America (September 26-29, National Harbor, MD).; National Harbor, MD. (2015).
Mohammad Alasaad MD, Anwar Zaitoun MD, Hussein Othman MD, Suzan Szpunar PhD , Howard S. Rosman MD , Rajendra H. Mehta MD MS , Hiroshi Yamasaki MD. "Association of Race with Long-term Outcomes in Patients undergoing Popliteal and Infra-popliteal Percutaneous Peripheral Arterial Interventions" Poster presented at: AHA American Heart Association (November 13th, Anaheim, CA). (2017).