Bairn Michael Walker, M.D.
NPI 1861443889ActiveIndividual· Ophthalmology· Sheridan, WY
Ophthalmology (M.D.) in Sheridan, Wyoming, trained at Perelman School of Med at the University of Pennsylvania (class of 2002). In 2024 Medicare paid $297,281 for 544 patients, and Part D covered 188 of their prescriptions, 27% of them generic. Alcon Vision LLC reported $13.50 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1861443889 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 15, 2006 |
| Last updated in NPPES | Nov 27, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | D64248 | MD |
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 - Ophthalmology (WY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 544 |
|---|---|
| Services billed | 2,534 across 27 procedure codes |
| Paid by Medicare | $297,281 |
Part D prescriptions in 2024
| Prescriptions (claims) | 188 · 211 30-day fills |
|---|---|
| Patients | 139 |
| Total drug cost | $4,603 |
| Generic share | 27% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2025$13.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $13.50 | 1 |
What the 2025 payments were for
- Food and Beverage$13.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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