NPPES file of Aug 9, 2026

James Clayton Brubaker, M.D.

Obstetrics & Gynecology Physician · Lander, WY

James Clayton Brubaker, M.D. is an obstetrics & gynecology physician with a practice address in Lander, Wyoming, and NPI 1245326867, issued on Oct 4, 2006. Check the license (Wyoming 6180A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245326867
Name
James Clayton Brubaker
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
6180A WY
Self-reported in NPPES; status is on the state search
Practice location
745 Buena Vista Dr, Lander, WY 82520
Phone
(307) 332-2941
Enumerated
Oct 4, 2006
Record last updated
Oct 4, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(307) 332-2068
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 745 Buena Vista Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Todd Bainter, D.O.Internal Medicine Physician1427226034
  2. Kristine Cardinal, FNP-CFamily Nurse Practitioner1093203069
  3. Robert Darr, PA-CPhysician Assistant1942301254
  4. Edward Dowie, P.A.-C.Physician Assistant1366538969
  5. Wendy Eaton, MSPTPhysical Therapist1457559940
  6. Julia Fairbank, P.A.Physician Assistant1861821837

Verify James Clayton Brubaker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWyoming Board of Medicine
    Search for license 6180A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wyoming license search

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93% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

11 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. James Brubaker11
  2. Specialty average165

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.

James Clayton Brubaker among 72 obstetrics & gynecology physician records in Wyoming

James Clayton Brubaker, M.D. is one of 72 obstetrics & gynecology physician records with a practice address in Wyoming. 72% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 47% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2007 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 obstetrics & gynecology physician records list a practice address in Lander

They are 5 of the 311 NPPES records with a practice address in Lander, and 72 obstetrics & gynecology physician records in Wyoming.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Thomas Dunaway, MDLander, WY 825201457454837
  2. Ken Holt, D.O.Lander, WY 825201104894047
  3. Jan Siebersma, M.D.Lander, WY 825201952303216
  4. Karla Wagner, M.D.Lander, WY 825201942395652
  5. Maryanne Hannaney, MDRiverton, WY 825011497797260
  6. Patricia Bell, DOCasper, WY 826011427026277
  7. Melissa Hieb, D.O.Casper, WY 826011225255466
  8. Carrie Merrill, DOCasper, WY 826011346382918

Common questions

What is James Clayton Brubaker, M.D.'s NPI number?

James Clayton Brubaker, M.D.'s National Provider Identifier (NPI) is 1245326867, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Clayton Brubaker, M.D. located?

The NPPES record lists a practice address at 745 Buena Vista Dr, Lander, WY, 82520. Phone: (307) 332-2941. Providers update this record themselves, so call before visiting.

How can I verify James Clayton Brubaker, M.D.'s license?

NPPES lists Wyoming license number 6180A, as entered by the provider. 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 James Clayton Brubaker, M.D. prescribe under Medicare Part D?

In 2024, James Clayton Brubaker, M.D. had 11 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

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.