Shaun J. Gillis, M.D.
Obstetrics & Gynecology Physician · Bozeman, MT
Shaun J. Gillis, M.D. is an obstetrics & gynecology physician with a practice address in Bozeman, Montana, and NPI 1265465207, issued on Jul 9, 2006. Check the license (Montana 10375, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Shaun J. Gillis
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 10375 MT
Self-reported in NPPES; status is on the state search - Practice location
- 905 Highland Blvd Ste 4500, Bozeman, MT 59715
- Phone
- (406) 414-5150
- Enumerated
- Jul 9, 2006
- Record last updated
- Apr 10, 2025
- Fax
- (406) 414-5175
- Medicaid ID
- 0063580 MT
- Medicare enrollment
- Enrolled (PECOS I20031125000848); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 125 in Montana → Look up another NPI →
Also registered at 905 Highland Blvd Ste 4500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Anderton, PAMedical Physician Assistant1851808067
- Alaina Bennett, MDUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1316364276
- Kristie Bodnar, MDObstetrics & Gynecology Physician1134194970
- Kathryn Borgenicht, MDGeriatric Medicine (Internal Medicine) Physician1073535019
- Justin Bottsford-Miller, M.D.Gynecologic Oncology Physician1598986200
- Jami Chisdak, MDObstetrics & Gynecology Physician1720033053
Verify Shaun J. Gillis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 10375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
81 Medicare Part D claims for 31 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Estradiol12 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).
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.
Shaun J. Gillis among 125 obstetrics & gynecology physician records in Montana
Shaun J. Gillis, M.D. is one of 125 obstetrics & gynecology physician records with a practice address in Montana. 70% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 45% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1999 · median 2006 among the 74 with a school on file
- Record last updated2025 · 50% 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Montana
There are 125 obstetrics & gynecology physician records in Montana.
All 125 in Montana → Every provider in Bozeman → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kristie Bodnar, MDBozeman, MT 597151134194970
- Tyler Bradford, MDBozeman, MT 597151760551899
- Melissa Casper, M.D.Bozeman, MT 597151619074564
- Jami Chisdak, MDBozeman, MT 597151720033053
- Stephanie Dubravac, MDBozeman, MT 597151679684419
- Renee Frederickson, M.D.Bozeman, MT 597151528039930
- Fanee Freeman, MDBozeman, MT 597151770507048
- Patrick Holland, MDBozeman, MT 597151356452445
Common questions
What is Shaun J. Gillis, M.D.'s NPI number?
Shaun J. Gillis, M.D.'s National Provider Identifier (NPI) is 1265465207, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shaun J. Gillis, M.D. located?
The NPPES record lists a practice address at 905 Highland Blvd Ste 4500, Bozeman, MT, 59715. Phone: (406) 414-5150. Providers update this record themselves, so call before visiting.
How can I verify Shaun J. Gillis, M.D.'s license?
NPPES lists Montana license number 10375, 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 Shaun J. Gillis, M.D. prescribe under Medicare Part D?
In 2024, Shaun J. Gillis, M.D. had 81 Medicare Part D claims for 31 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Shaun J. Gillis, M.D.'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.