Ryan Elizabeth Allen, PA-C
NPI 1942061700ActiveIndividual· Physician Assistant· Owasso, OK
Physician Assistant (PA-C) with St. John Physicians, Inc. and 1 other group, practicing in Owasso, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $88,327 for 1,143 claims, against $22,700 paid for services in 2024. Abiomed was the largest of 4 companies reporting payments in 2025, $333.21 in all, mostly food and beverage. Lists Ascension St John Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1942061700 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 18, 2024 |
| Last updated in NPPES | Jan 22, 2026 |
| Certified by provider | Jan 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | OK |
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 | 229 |
|---|---|
| Services billed | 823 across 40 procedure codes |
| Paid by Medicare | $22,700 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,143 · 2,289 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $88,327 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- St. John Physicians, Inc.Tulsa, OK · 259 clinicians
- Omni Medical Group IncTulsa, OK · 82 clinicians
Hospital affiliations
- Ascension St John Medical CenterTulsa, OK
- St John OwassoOwasso, OK
Industry payments (Open Payments)
- 2025$333.21 · 4 payments from 4 companies
- 2024$73.72 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $121.48 | 1 |
| Abbvie Inc. | $117.20 | 1 |
| Astrazeneca Pharmaceuticals LP | $74.73 | 1 |
| Exact Sciences Corporation | $19.80 | 1 |
What the 2025 payments were for
- Food and Beverage$333.21 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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