Ryan Murphy Callahan
NPI 1871201855ActiveIndividual· Physician Assistant· Billings, MT
Physician Assistant with Billings Clinic Specialty Supplies and Services, LLC, practicing in Billings, Montana. 287 Medicare patients in 2024, $24,094 paid; all of their 217 Part D prescriptions were generic. Medtronic, Inc. reported $43.08 in payments in 2025, mostly food and beverage. Lists Beartooth Billings Clinic and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1871201855 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Nov 9, 2022 |
| Last updated in NPPES | Mar 22, 2023 |
| Certified by provider | Mar 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 - Physician Assistant (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 287 |
|---|---|
| Services billed | 528 across 11 procedure codes |
| Paid by Medicare | $24,094 |
Part D prescriptions in 2024
| Prescriptions (claims) | 217 · 244 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $2,765 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Billings Clinic Specialty Supplies and Services, LLCBillings, MT · 824 clinicians
Hospital affiliations
- Beartooth Billings ClinicRed Lodge, MT
- Billings Clinic HospitalBillings, MT
- Intermountain Health St Vincent Regional HospitalBillings, MT
- Stillwater Billings ClinicColumbus, MT
Industry payments (Open Payments)
- 2025$43.08 · 1 payment from 1 company
- 2024$103.85 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $43.08 | 1 |
What the 2025 payments were for
- Food and Beverage$43.08 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 175 physician assistants in Billings · All physician assistants in Montana