Patrick Donovan Walker, M.D.
NPI 1750352233ActiveIndividual· Pathology, Anatomic Pathology· Little Rock, AR
Pathology, Anatomic Pathology (M.D.) in Little Rock, Arkansas, trained at Indiana University School of Medicine (class of 1974). Medicare paid $60,342 for services to 210 patients in 2024. Amgen Inc. reported $19.55 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1750352233 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 31, 2006 |
| Last updated in NPPES | Apr 7, 2021 |
| Certified by provider | Apr 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology Primary | 207ZP0101X | R-4267 | AR |
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 - Pathology (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 210 |
|---|---|
| Services billed | 3,391 across 9 procedure codes |
| Paid by Medicare | $60,342 |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Pathology |
Medical group
- Nephropathology Associates, PLCLittle Rock, AR · 29 clinicians
Hospital affiliations
- Bozeman Health Deaconess HospitalBozeman, MT
- Charleston Area Medical CenterCharleston, WV
- Ssm Health St Anthony Hospital - Oklahoma CityOklahoma City, OK
- St. Patrick HospitalMissoula, MT
- Wellspan York HospitalYork, PA
Industry payments (Open Payments)
- 2025$19.55 · 1 payment from 1 company
- 2024$10,255 · 7 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $19.55 | 1 |
What the 2025 payments were for
- Food and Beverage$19.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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