Paul Vincent Aguilera, MD
NPI 1023639804ActiveIndividual· Internal Medicine· Fremont, CA
Internal Medicine (MD) with Hospitalist Medicine Physicians of California Inc, practicing in Fremont, California. 433 Medicare patients in 2024, $113,382 paid; nearly all of their 674 Part D prescriptions were generic (93%). Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 2 companies reporting payments in 2025, $115.51 in all, mostly food and beverage. Lists Washington Hospital as a hospital affiliation.
Overview
| NPI | 1023639804 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 2, 2020 |
| Last updated in NPPES | Nov 25, 2025 |
| Certified by provider | Nov 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A191845 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 433 |
|---|---|
| Services billed | 1,296 across 5 procedure codes |
| Paid by Medicare | $113,382 |
Part D prescriptions in 2024
| Prescriptions (claims) | 674 · 826 30-day fills |
|---|---|
| Patients | 190 |
| Total drug cost | $42,252 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Hospitalist Medicine Physicians of California IncOceanside, CA · 123 clinicians
Hospital affiliation
- Washington HospitalFremont, CA
Industry payments (Open Payments)
- 2025$115.51 · 5 payments from 2 companies
- 2024$60.37 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $89.12 | 4 |
| Merck Sharp & Dohme LLC | $26.39 | 1 |
What the 2025 payments were for
- Food and Beverage$115.51 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Fremont
- 1720098387
- 1659767572
- 1821137274
- 1225386642
- 1932202959
- 1629482757
- 1306985767
- 1801362298
- 1669413365
- 1164737268
- 1578274627
- 1457366833