Haroutioun Diccran Mesrobian, M.D.
NPI 1477536738ActiveIndividual· Internal Medicine, Cardiovascular Disease· Glendale, CA
Internal Medicine, Cardiovascular Disease (M.D.) in Glendale, California, trained at Foreign Dental Schools (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $3,968,268 for 19,693 claims, against $675,424 paid for services in 2024. Medtronic, Inc. was the largest of 5 companies reporting payments in 2025, $649.16 in all, mostly food and beverage.
Overview
| NPI | 1477536738 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 21, 2005 |
| Last updated in NPPES | Dec 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A48097 | 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 | 1,427 |
|---|---|
| Services billed | 22,524 across 52 procedure codes |
| Paid by Medicare | $675,424 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19,693 · 22,248 30-day fills |
|---|---|
| Patients | 1,085 |
| Total drug cost | $3,968,268 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Foreign Dental Schools |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Heartbeat Cardiovascular Medical GroupGlendale, CA · 9 clinicians
Industry payments (Open Payments)
- 2025$649.16 · 12 payments from 5 companies
- 2024$493.39 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $323.49 | 4 |
| Abiomed | $220.10 | 3 |
| Esperion Therapeutics, Inc. | $49.44 | 2 |
| Merck Sharp & Dohme LLC | $41.91 | 2 |
| Novartis Pharmaceuticals Corporation | $14.22 | 1 |
What the 2025 payments were for
- Food and Beverage$649.16 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 51 cardiologists in Glendale · All cardiologists in California