Grant McCullen Schumaker, MD
NPI 1093418063ActiveIndividual· Emergency Medicine· Temecula, CA
Emergency Medicine (MD) in Temecula, California, licensed in CA, with an NPI issued in March 2023. Part D covered 89 prescriptions written in 2024, 96% of them generic. Lists Corona Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1093418063 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 27, 2023 |
| Last updated in NPPES | Oct 22, 2025 |
| Certified by provider | Oct 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 201034 | 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 - Emergency Medicine (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 93 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $2,262 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Emergency Medicine |
Hospital affiliations
- Corona Regional Medical CenterCorona, CA
- Pih Health Good Samaritan HospitalLos Angeles, 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 28 emergency medicine physicians in Temecula · All emergency medicine physicians in California