Peter Demerest Vanhouten, M.D.
NPI 1841411758ActiveIndividual· General Practice· Nevada City, CA
General Practice (M.D.) in Nevada City, California, trained at University of California, San Francisco School of Medicine (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $164,391 for 2,087 claims, against $3,102 paid for services in 2024.
Overview
| NPI | 1841411758 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 1, 2007 |
| Last updated in NPPES | Sep 9, 2020 |
| Certified by provider | Sep 9, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | G43114 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 262 |
|---|---|
| Services billed | 388 across 5 procedure codes |
| Paid by Medicare | $3,102 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,087 · 4,661 30-day fills |
|---|---|
| Patients | 282 |
| Total drug cost | $164,391 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Family Practice |
Medical groups
- Western Sierra Medical Clinic IncDownieville, CA · 36 clinicians
- Sierra Family Medical Clinic IncOregon House, CA · 6 clinicians
Hospital affiliation
- Sierra Nevada Memorial HospitalGrass Valley, CA
Other facilities
- Progressive Home Care - AuburnHome health agency · Auburn, 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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