Mimi Sen Biswas, M.D., MHS
Internal Medicine, Cardiovascular Disease (M.D., MHS) with Cardiology Specialists Medical Group Inc, practicing in Riverside, California. Their prescriptions cost Medicare Part D more than their services did: $442,832 for 2,158 claims, against $40,975 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 7 companies reporting payments in 2025, $475.07 in all, mostly food and beverage. Lists Corona Regional Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1518970755 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., MHS |
| Sole proprietor | No |
| NPI issued | Aug 15, 2006 |
| Last updated in NPPES | Dec 12, 2023 |
| Certified by provider | Dec 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A66654 | 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 | 271 |
|---|---|
| Services billed | 485 across 12 procedure codes |
| Paid by Medicare | $40,975 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,158 · 4,717 30-day fills |
|---|---|
| Patients | 342 |
| Total drug cost | $442,832 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Cardiology Specialists Medical Group IncTemecula, CA · 12 clinicians
Hospital affiliations
- Corona Regional Medical CenterCorona, CA
- Parkview Community Hospital Medical CenterRiverside, CA
- Riverside Community HospitalRiverside, CA
Industry payments (Open Payments)
- 2025$475.07 · 19 payments from 7 companies
- 2024$419.35 · 23 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $180.17 | 10 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $158.34 | 3 |
| Scpharmaceuticals Inc. | $55.17 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $27.99 | 1 |
| E.R. Squibb & Sons, L.L.C. | $21.80 | 1 |
What the 2025 payments were for
- Food and Beverage$475.07 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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