Caleb Barker, PA-C
NPI 1891346532ActiveIndividual· Physician Assistant· Muskogee, OK
Physician Assistant (PA-C) in Muskogee, Oklahoma, trained at University of Oklahoma College of Medicine (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $502,498 for 3,100 claims, against $822.32 paid for services in 2024. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $410.35 in all, mostly food and beverage.
Overview
| NPI | 1891346532 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 24, 2019 |
| Last updated in NPPES | Jan 25, 2022 |
| Certified by provider | Jan 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 4726 | OK |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Physician Assistant (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 47 across 12 procedure codes |
| Paid by Medicare | $822.32 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,100 · 5,254 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $502,498 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Ahs Oklahoma Physician Group LLCTulsa, OK · 313 clinicians
Hospital affiliations
- Bailey Medical Center, LLCOwasso, OK
- Hillcrest Hospital CushingCushing, OK
- Hillcrest Hospital HenryettaHenryetta, OK
- Hillcrest Hospital SouthTulsa, OK
- Hillcrest Medical CenterTulsa, OK
Industry payments (Open Payments)
- 2025$410.35 · 18 payments from 7 companies
- 2024$161.52 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $259.53 | 11 |
| Novo Nordisk Inc | $48.95 | 2 |
| Boston Scientific Corporation | $29.58 | 1 |
| Teleflex LLC | $23.67 | 1 |
| Laborie Medical Technologies Corp. | $21.29 | 1 |
What the 2025 payments were for
- Food and Beverage$410.35 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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