Sherwin S. Foster, M.D.
NPI 1720074990ActiveIndividual· Internal Medicine, Nephrology· Hayden, ID
Internal Medicine, Nephrology (M.D.) with North Idaho Nephrology Associates Inc, practicing in Hayden, Idaho. 530 Medicare patients in 2024, $341,093 paid; nearly all of their 94 Part D prescriptions were generic (93%). Lists Bonner General Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1720074990 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 23, 2005 |
| Last updated in NPPES | Jun 16, 2021 |
| Certified by provider | Jun 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | M-10094 | ID |
| Internal Medicine, Nephrology | 207RN0300X | MD00049028 | 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 - Nephrology (ID); Practitioner - Nephrology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 530 |
|---|---|
| Services billed | 5,058 across 9 procedure codes |
| Paid by Medicare | $341,093 |
Part D prescriptions in 2024
| Prescriptions (claims) | 94 · 123 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $4,413 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- North Idaho Nephrology Associates IncHayden, ID · 2 clinicians
Hospital affiliations
- Bonner General HospitalSandpoint, ID
- Kootenai HealthCoeur D'Alene, ID
- Multicare Valley HospitalSpokane Valley, WA
- Northwest Specialty HospitalPost Falls, ID
Other facilities
- Northern Idaho Advanced Care HospitalInpatient rehabilitation facility · Post Falls, ID
- Rehabilitation Hospital of the NorthwestInpatient rehabilitation facility · Post Falls, ID
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Hayden
- 1073629150