Peter Walsh, DO
Gastroenterology Physician · Bozeman, MT
Peter Walsh, DO is a gastroenterology physician with a practice address in Bozeman, Montana, and NPI 1255372736, issued on Jun 8, 2006. Check the license (Montana 59075, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Peter Walsh
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 59075 MT
Self-reported in NPPES; status is on the state search - Practice location
- 875 S Cottonwood RD Ste 200, Bozeman, MT 59718
- Phone
- (406) 414-5336
- Enumerated
- Jun 8, 2006
- Record last updated
- Apr 10, 2025
- Fax
- (406) 414-5337
- Medicaid ID
- 1255372736 MT
- Medicare enrollment
- Enrolled (PECOS I20171201000049); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1985
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 44 in Montana → Look up another NPI →
Also registered at 875 S Cottonwood RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Bowen, DNPFamily Nurse Practitioner1003581489
- Kleanthis Dendrinos, M.D.Gastroenterology Physician1861528457
- Andrew Gentry, M.D.Gastroenterology Physician1922072560
- Andrew Herman, M.D.Gastroenterology Physician1003260217
- Christopher Lumsden, PA-CMedical Physician Assistant1912306184
- Kathryn Lynch, MDGastroenterology Physician1306829536
Verify Peter Walsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 59075Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average gastroenterology physician in 2024
324 Medicare Part D claims for 103 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Pantoprazole Sodium107 claims
- Omeprazole46 claims
- Azathioprine26 claims
- Rinvoq12 claims
- Budesonide Dr11 claims
- Famotidine11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $337.95
17 payments; by number, the most common kind was food and beverage; the largest payer was Celgene Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Bozeman Health Deaconess HospitalBozeman, MT · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Peter Walsh among 44 gastroenterology physician records in Montana
Peter Walsh, DO is one of 44 gastroenterology physician records with a practice address in Montana. 73% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 23% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1985 · median 1995 among the 30 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Montana
There are 44 gastroenterology physician records in Montana.
All 44 in Montana → Every provider in Bozeman → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Kleanthis Dendrinos, M.D.Bozeman, MT 597181861528457
- Andrew Gentry, M.D.Bozeman, MT 597181922072560
- Andrew Herman, M.D.Bozeman, MT 597181003260217
- Michael Lindner, M.D.Bozeman, MT 597181649274309
- Kathryn Lynch, MDBozeman, MT 597181306829536
- Nathaniel Spezia-Lindner, MDBozeman, MT 597181235691148
- Waring Trible, M.D.Bozeman, MT 597181043206238
- Timothy Johnson, MDBozeman, MT 597151952495756
Common questions
What is Peter Walsh, DO's NPI number?
Peter Walsh, DO's National Provider Identifier (NPI) is 1255372736, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Walsh, DO located?
The NPPES record lists a practice address at 875 S Cottonwood RD Ste 200, Bozeman, MT, 59718. Phone: (406) 414-5336. Providers update this record themselves, so call before visiting.
How can I verify Peter Walsh, DO's license?
NPPES lists Montana license number 59075, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Peter Walsh, DO prescribe under Medicare Part D?
In 2024, Peter Walsh, DO had 324 Medicare Part D claims for 103 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Peter Walsh, DO's MIPS final score?
The 2023 MIPS final score is 80.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.