Brian Mitchell Darnell, DO
NPI 1225016280ActiveIndividual· Family Medicine· Buffalo, WY
Family Medicine (DO) with Family Medical Center, practicing in Buffalo, Wyoming. Their prescriptions cost Medicare Part D more than their services did: $286,396 for 3,305 claims, against $5,534 paid for services in 2024. Astellas Pharma US Inc was the largest of 2 companies reporting payments in 2025, $48.13 in all, mostly food and beverage. Lists Campbell County Health and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1225016280 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jan 9, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 6609A | WY |
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 - Family Practice (WY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 93 across 16 procedure codes |
| Paid by Medicare | $5,534 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,305 · 6,169 30-day fills |
|---|---|
| Patients | 244 |
| Total drug cost | $286,396 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | Osteopathic Manipulative Medicine |
Medical group
- Family Medical CenterBuffalo, WY · 20 clinicians
Hospital affiliations
- Campbell County HealthGillette, WY
- Johnson County Healthcare CenterBuffalo, WY
- Sheridan Memorial HospitalSheridan, WY
Other facilities
- Susie Bowling Lawrence HospiceHospice · Buffalo, WY
Industry payments (Open Payments)
- 2025$48.13 · 2 payments from 2 companies
- 2024$129.82 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $33.46 | 1 |
| Novo Nordisk Inc | $14.67 | 1 |
What the 2025 payments were for
- Food and Beverage$48.13 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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