Anca E. Knoepfler, M.D.
NPI 1912961426ActiveIndividual· Internal Medicine· Davis, CA
Internal Medicine (M.D.) in Davis, California, trained at University of California, San Diego School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $35,055 for 419 claims, against $4,875 paid for services in 2024.
Overview
| NPI | 1912961426 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 12, 2006 |
| Last updated in NPPES | Aug 25, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A60289 | CA |
| Internal Medicine | 207R00000X | 36057 | WA |
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 | 19 |
|---|---|
| Services billed | 119 across 9 procedure codes |
| Paid by Medicare | $4,875 |
Part D prescriptions in 2024
| Prescriptions (claims) | 419 · 1,038 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $35,055 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaSacramento, CA · 567 clinicians
Hospital affiliation
- University of California Davis Medical CenterSacramento, 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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All 34 internal medicine physicians in Davis · All internal medicine physicians in California