Mariam H. Beshai, MD
NPI 1447839956ActiveIndividual· Hospitalist· Castro Valley, CA
Hospitalist (MD) with Sutter Bay Medical Foundation, practicing in Castro Valley, California. In 2024 Medicare paid $26,681 for 132 patients, and Part D covered 174 of their prescriptions, 75% of them generic. Lists Eden Medical Center as a hospital affiliation.
Overview
| NPI | 1447839956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2021 |
| Last updated in NPPES | Oct 3, 2024 |
| Certified by provider | Oct 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A194184 | CA |
| Internal Medicine | 207R00000X | A194184 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 245 across 6 procedure codes |
| Paid by Medicare | $26,681 |
Part D prescriptions in 2024
| Prescriptions (claims) | 174 · 268 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $29,825 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Hospitalist |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- Eden Medical CenterCastro Valley, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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