Bassam K. Nassir, M.D.
NPI 1386848166ActiveIndividual· Internal Medicine· El Cajon, CA
Internal Medicine (M.D.) with Centro de Salud de la Comunidad de San Ysidro,inc., practicing in El Cajon, California. Their prescriptions cost Medicare Part D more than their services did: $396,231 for 7,644 claims, against $5,248 paid for services in 2024. Merck Sharp & Dohme LLC reported $20.24 in payments in 2025, mostly food and beverage. Lists Grossmont Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1386848166 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 13, 2007 |
| Last updated in NPPES | Dec 27, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A101888 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 130 |
|---|---|
| Services billed | 382 across 25 procedure codes |
| Paid by Medicare | $5,248 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,644 · 8,674 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $396,231 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Centro de Salud de la Comunidad de San Ysidro,inc.San Diego, CA · 297 clinicians
Hospital affiliations
- Grossmont HospitalLa Mesa, CA
- Sharp Memorial HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$20.24 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $20.24 | 1 |
What the 2025 payments were for
- Food and Beverage$20.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 40 internal medicine physicians in El Cajon · All internal medicine physicians in California