Grant R. Gwinup, MD
NPI 1669463964ActiveIndividual· Emergency Medicine· Placerville, CA
Emergency Medicine (MD) in Placerville, California, trained at University of Arizona College of Medicine (class of 1984). 109 Medicare patients in 2024, $13,885 paid; nearly all of their 68 Part D prescriptions were generic (93%).
Overview
| NPI | 1669463964 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 4, 2005 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | G57154 | CA |
| General Practice | 208D00000X | G57154 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 109 |
|---|---|
| Services billed | 394 across 10 procedure codes |
| Paid by Medicare | $13,885 |
Part D prescriptions in 2024
| Prescriptions (claims) | 68 · 84 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $2,094 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Emergency Medicine |
Medical group
- Marshall Medical CenterPlacerville, CA · 176 clinicians
Hospital affiliation
- Marshall Medical CenterPlacerville, 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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