Nathaniel George Grubbs, M.D.
NPI 1598108110ActiveIndividual· Emergency Medicine· Sedona, AZ
Emergency Medicine (M.D.) in Sedona, Arizona, trained at University of Rochester School of Medicine and Dentistry (class of 2013). Mostly services rather than prescriptions: Medicare paid $15,147 for 119 patients in 2024, with only 31 Part D claims.
Overview
| NPI | 1598108110 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 12, 2013 |
| Last updated in NPPES | Aug 9, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 54828 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 119 |
|---|---|
| Services billed | 168 across 14 procedure codes |
| Paid by Medicare | $15,147 |
Part D prescriptions in 2024
| Prescriptions (claims) | 31 · 31 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $2,268 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | University of Rochester School of Medicine and Dentistry |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Emergency Medicine |
Medical group
- Flagstaff Emergency PhysiciansFlagstaff, AZ · 42 clinicians
Hospital affiliations
- Flagstaff Medical CenterFlagstaff, AZ
- Verde Valley Medical CenterCottonwood, AZ
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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