Bairn Michael Walker, M.D.
Ophthalmology Physician · Sheridan, WY
Bairn Michael Walker, M.D. is an ophthalmology physician with a practice address in Sheridan, Wyoming, and NPI 1861443889, issued on May 15, 2006. Check the license on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Bairn Michael Walker
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- D64248 MD
Self-reported in NPPES; status is on the state search - Practice location
- 36 N Gould St Ste 201, Sheridan, WY 82801
- Phone
- (307) 429-0430
- Enumerated
- May 15, 2006
- Record last updated
- Nov 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190320000222); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2002
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 15 in Wyoming → Look up another NPI →
Verify Bairn Michael Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average ophthalmology physician in 2024
188 Medicare Part D claims for 139 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 73% of claims.
Most prescribed
- Prednisolone Acetate137 claims
- Ketorolac Tromethamine13 claims
- Moxifloxacin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bairn Michael Walker among 15 ophthalmology physician records in Wyoming
Bairn Michael Walker, M.D. is one of 15 ophthalmology physician records with a practice address in Wyoming. 47% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 27% of them.
- NPI issued2006 · 27% of these records are older, 33% newer
- In a Medicare fileYes · 47% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Record last updated2019 · 87% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Wyoming
There are 15 ophthalmology physician records in Wyoming.
All 15 in Wyoming → Every provider in Sheridan → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Andrew Hall, MDSheridan, WY 828011861431371
- Samuel NavonGillette, WY 827181962451336
- Peter Jensen, D.O.Rock Springs, WY 829011306826938
- Peter Larsen, M.D.Newcastle, WY 827011801030234
- Ronald Gibson, M.D.Casper, WY 826011629129739
- James Luebbers, MDJackson, WY 830011477879062
- William Ramsay, M.D.Jackson, WY 830011972694545
- Lawrence Chapman, M.D.Wison, WY 830141699199505
Common questions
What is Bairn Michael Walker, M.D.'s NPI number?
Bairn Michael Walker, M.D.'s National Provider Identifier (NPI) is 1861443889, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bairn Michael Walker, M.D. located?
The NPPES record lists a practice address at 36 N Gould St Ste 201, Sheridan, WY, 82801. Phone: (307) 429-0430. Providers update this record themselves, so call before visiting.
How can I verify Bairn Michael Walker, M.D.'s license?
Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bairn Michael Walker, M.D. prescribe under Medicare Part D?
In 2024, Bairn Michael Walker, M.D. had 188 Medicare Part D claims for 139 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Bairn Michael Walker, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.