Gregory Leon Umphrey, M.D.
NPI 1366415515ActiveIndividual· Physical Medicine & Rehabilitation· Scottsdale, AZ
Physical Medicine & Rehabilitation (M.D.) in Scottsdale, Arizona, trained at Howard University College of Medicine (class of 2002). Mostly services rather than prescriptions: Medicare paid $65,589 for 325 patients in 2024, with only 12 Part D claims. Lundbeck LLC reported $148.90 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1366415515 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 8, 2006 |
| Last updated in NPPES | Sep 21, 2022 |
| Certified by provider | Sep 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physical Medicine & Rehabilitation Primary | 208100000X | 37958 | AZ |
| Physical Medicine & Rehabilitation, Neuromuscular Medicine | 2081N0008X | 37958 | 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 - Physical Medicine and Rehabilitation (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 325 |
|---|---|
| Services billed | 3,327 across 37 procedure codes |
| Paid by Medicare | $65,589 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 13 30-day fills |
|---|---|
| Total drug cost | $127.78 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Physical Medicine And Rehabilitation |
Medical group
- Mayo Clinic ArizonaScottsdale, AZ · 1,626 clinicians
Hospital affiliation
- Mayo Clinic HospitalPhoenix, AZ
Industry payments (Open Payments)
- 2025$148.90 · 1 payment from 1 company
- 2024$124.76 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $148.90 | 1 |
What the 2025 payments were for
- Food and Beverage$148.90 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 77 physiatrists in Scottsdale · All physiatrists in Arizona