John Hunt Udall, M.D.
NPI 1649477357ActiveIndividual· Orthopaedic Surgery· Mesa, AZ
Orthopaedic Surgery (M.D.) in Mesa, Arizona, licensed in AZ, with an NPI issued in June 2007. Enrolled in Medicare as practitioner - orthopedic surgery and practitioner - pediatric medicine. Impactortho, Inc. was the largest of 4 companies reporting payments in 2025, $1,751 in all, mostly travel and lodging.
Overview
| NPI | 1649477357 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 27, 2007 |
| Last updated in NPPES | Sep 14, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 41972 | 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 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 - Orthopedic Surgery (AZ); Practitioner - Pediatric Medicine (AZ) |
|---|
Industry payments (Open Payments)
- 2025$1,751 · 14 payments from 4 companies
- 2024$82.41 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Impactortho, Inc. | $1,425 | 8 |
| Arthrex, Inc. | $298.20 | 3 |
| Bioventus LLC | $16.22 | 1 |
| Orthofix Medical, Inc. | $12.40 | 2 |
What the 2025 payments were for
- Travel and Lodging$1,533 · 6 payments
- Food and Beverage$217.99 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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