Amy Sawyer Daniher, M.D.
NPI 1831121425ActiveIndividual· Internal Medicine· San Mateo, CA
Internal Medicine (M.D.) in San Mateo, California, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $147,233 for 2,254 claims, against $62,443 paid for services in 2024.
Overview
| NPI | 1831121425 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Apr 12, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A72920 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 139 |
|---|---|
| Services billed | 1,473 across 13 procedure codes |
| Paid by Medicare | $62,443 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,254 · 4,244 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $147,233 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Peninsula Medical CenterBurlingame, CA
- UCSF Medical CenterSan Francisco, CA
Other facilities
- Home Health Bay Area Inc.Home health agency · Daly City, CA
- Sutter Care at HomeHome health agency · San Mateo, CA
- Sutter Care at HomeHospice · San Mateo, 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 55 internal medicine physicians in San Mateo · All internal medicine physicians in California