Benedict Cortez Villanueva, M.D.
NPI 1376601690ActiveIndividual· Internal Medicine, Infectious Disease· Fremont, CA
Internal Medicine, Infectious Disease (M.D.) with Washington Township Medical Foundation, practicing in Fremont, California. 223 Medicare patients in 2024, $91,713 paid; nearly all of their 289 Part D prescriptions were generic (91%). Merck Sharp & Dohme LLC reported $14.18 in payments in 2025, mostly food and beverage. Lists Peninsula Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1376601690 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 6, 2006 |
| Last updated in NPPES | Jan 23, 2023 |
| Certified by provider | Jan 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A61699 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Infectious Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 1,181 across 15 procedure codes |
| Paid by Medicare | $91,713 |
Part D prescriptions in 2024
| Prescriptions (claims) | 289 · 353 30-day fills |
|---|---|
| Patients | 122 |
| Total drug cost | $57,977 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Washington Township Medical FoundationFremont, CA · 117 clinicians
Hospital affiliations
- Peninsula Medical CenterBurlingame, CA
- San Ramon Regional Medical CenterSan Ramon, CA
- Washington HospitalFremont, CA
Industry payments (Open Payments)
- 2025$14.18 · 1 payment from 1 company
- 2024$134.81 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $14.18 | 1 |
What the 2025 payments were for
- Food and Beverage$14.18 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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