Marin Nishimura-Kaminski
NPI 1003243262ActiveIndividual· Internal Medicine, Cardiovascular Disease· San Diego, CA
Internal Medicine, Cardiovascular Disease in San Diego, California, trained at University of California, Davis School of Medicine (class of 2015). Medicare paid $81,705 for services to 339 patients in 2024, and Part D covered 3,894 of their prescriptions (73% generic). Merck Sharp & Dohme LLC was the largest of 20 companies reporting payments in 2025, $1,053 in all, mostly food and beverage.
Overview
| NPI | 1003243262 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Oct 2, 2013 |
| Last updated in NPPES | Sep 12, 2025 |
| Certified by provider | Sep 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A147365 | CA |
| Internal Medicine | 207R00000X | 396824 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 339 |
|---|---|
| Services billed | 918 across 46 procedure codes |
| Paid by Medicare | $81,705 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,894 · 8,759 30-day fills |
|---|---|
| Patients | 523 |
| Total drug cost | $1,140,743 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
Hospital affiliations
- Grossmont HospitalLa Mesa, CA
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$1,053 · 45 payments from 20 companies
- 2024$906.38 · 41 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $163.98 | 6 |
| Medtronic, Inc. | $139.38 | 1 |
| E.R. Squibb & Sons, L.L.C. | $112.38 | 5 |
| Novartis Pharmaceuticals Corporation | $109.75 | 6 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $62.23 | 2 |
What the 2025 payments were for
- Food and Beverage$1,053 · 45 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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