Ako M. Walther, M.D.
NPI 1588907836ActiveIndividual· Hospitalist· Saint Helena, CA
Hospitalist (M.D.) with Galen Inpatient Physicians PC and 1 other group, practicing in Saint Helena, California. In 2024 Medicare paid $67,512 for 216 patients, and Part D covered 164 of their prescriptions, 87% of them generic. Lists Marinhealth Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1588907836 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 4, 2013 |
| Last updated in NPPES | Oct 16, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A124467 | CA |
| Internal Medicine | 207R00000X | A124467 | CA |
| General Practice | 208D00000X | A124467 | 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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 679 across 9 procedure codes |
| Paid by Medicare | $67,512 |
Part D prescriptions in 2024
| Prescriptions (claims) | 164 · 171 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $22,173 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical groups
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
- Sv Hospitalist Medical Group IncSonoma, CA · 7 clinicians
Hospital affiliations
- Marinhealth Medical CenterGreenbrae, CA
- Sonoma Valley HospitalSonoma, 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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