Happy D. Thakkar, M.D.
NPI 1932548377ActiveIndividual· Internal Medicine, Cardiovascular Disease· Simi Valley, CA
Internal Medicine, Cardiovascular Disease (M.D.) in Simi Valley, California, trained at Duke University School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $794,622 for 4,828 claims, against $293,035 paid for services in 2024.
Overview
| NPI | 1932548377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 19, 2013 |
| Last updated in NPPES | Jan 7, 2020 |
| Certified by provider | Jan 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 143351 | CA |
| Internal Medicine | 207R00000X | 143351 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 730 |
|---|---|
| Services billed | 4,110 across 47 procedure codes |
| Paid by Medicare | $293,035 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,828 · 12,594 30-day fills |
|---|---|
| Patients | 606 |
| Total drug cost | $794,622 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Adventist Health Simi ValleySimi Valley, CA
- Los Robles Hospital & Medical CenterThousand Oaks, CA
- Northridge Hospital Medical CenterNorthridge, CA
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- UCLA West Valley Medical CenterWest Hills, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other cardiologists in Simi Valley
- 1104938505
- 1336491521
- 1396060638
- 1508011958
- 1568552370
- 1609136605
- 1790708782
- 1811176720
- 1285808253
- 1326388604
- 1477974681
- 1518822816
All 18 cardiologists in Simi Valley · All cardiologists in California