Nathan Lawrence Whitfield, M.D., PH.D.
NPI 1023308665ActiveIndividual· Emergency Medicine· Flagstaff, AZ
Emergency Medicine (M.D., PH.D.) in Flagstaff, Arizona, trained at Indiana University School of Medicine (class of 2011). 335 Medicare patients in 2024, $41,987 paid; nearly all of their 181 Part D prescriptions were generic (90%). Genentech USA, Inc. reported $17.21 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1023308665 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Apr 17, 2011 |
| Last updated in NPPES | Sep 2, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 49409 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 335 |
|---|---|
| Services billed | 455 across 29 procedure codes |
| Paid by Medicare | $41,987 |
Part D prescriptions in 2024
| Prescriptions (claims) | 181 · 191 30-day fills |
|---|---|
| Patients | 125 |
| Total drug cost | $7,303 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2011 |
| 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)
- 2025$17.21 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $17.21 | 1 |
What the 2025 payments were for
- Food and Beverage$17.21 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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