Happy Thakkar, MD
Accepting new patients

Happy Thakkar, MD

  • Cardiology
Average rating: 4.9
| 276 ratings
Simi Valley Alamo Specialty Care | 2755 Alamo Street, Suite 100, Simi Valley, CA 93065


Dr. Happy D. Thakkar is a board-certified cardiologist who practices in UCLA Health's Simi Valley office. He has expertise in treating patients with all types of cardiovascular diseases, such as hypertension, lipid disorders, heart failure, valvular heart disease, abnormal heart rhythms, coronary artery disease, and peripheral vascular disease. He has specific interests in preventive cardiology, including cardiovascular nutrition, exercise, and lifestyle, as well as critical care cardiology.

Dr. Thakkar received his medical degree from Duke University School of Medicine. He then completed his internship and residency in internal medicine at Washington University in St. Louis, followed by his fellowship in cardiovascular diseases at UCLA.


English, Hindi, Gujarati


Medical Board Certifications

Cardiovascular Disease, American Board of Internal Medicine, 2019
Internal Medicine, American Board of Internal Medicine, 2016


Cardiovascular Disease, UCLA School of Medicine, 2019


Internal Medicine, Washington University School of Medicine in St. Louis, 2016


Washington University in St. Louis, 2014


MD, Duke University School of Medicine, 2013



Peer-Reviewed Papers:
Silva M.C., Fox S., Beam M., Thakkar H., Amaral M.D., Morimoto R.I. A Genetic Screening Strategy Identifies Novel Regulators of the Proteostasis Network. (2011) PLoS Genetics 7(12):e1002438.

Thakkar H., Piccini J., Sun A., Haynes C., Burns E., Nilsson K., Koontz J., Hranitzky P., Shah S.H. Connexin-43 Gene Variants are Associated with Risk of Ventricular Arrhythmias in Patients with a Depressed Ejection Fraction. (Nov. 2012) American Heart Association National Scientific Sessions. Los Angeles, CA.

Book Chapters:
Thakkar H., Thoelke M., De Fer T. Anticoagulation and Surgery. In: Washington Manual, General Internal Medicine Consult, 3rd Edition (2017). Lippincott Williams & Wilkins. St. Louis, MO.

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