Brian Michael Sullivan, MD
Family Medicine Physician · Baker, MT
Brian Michael Sullivan, MD is a family medicine physician with a practice address in Baker, Montana, and NPI 1972761252, issued on May 23, 2008. Check the license (Montana 49845, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Brian Michael Sullivan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 49845 MT
Self-reported in NPPES; status is on the state search - Practice location
- 202 S 4TH St W, Baker, MT 59313
- Phone
- (406) 778-2833
- Enumerated
- May 23, 2008
- Record last updated
- Jan 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (406) 778-5355
- Medicare enrollment
- Enrolled (PECOS I20160804002622); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 775 in Montana → Look up another NPI →
Also registered at 202 S 4TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brian Michael Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 49845Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average family medicine physician in 2024
4,553 Medicare Part D claims for 239 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 155 claims were for opioids.
Most prescribed
- Potassium Chloride201 claims
- Lisinopril189 claims
- Atorvastatin Calcium187 claims
- Levothyroxine Sodium163 claims
- Gabapentin160 claims
- Amlodipine Besylate143 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.
Bills Medicare through 2 group practices
- Fallon Medical Complex IncBaker, MT
- Southwesthealthcare ServicesBowman, ND
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Michael Sullivan among 775 family medicine physician records in Montana
Brian Michael Sullivan, MD is one of 775 family medicine physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 35% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2007 · median 2007 among the 464 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 family medicine physician record lists a practice address in Baker
They are 1 of the 13 NPPES records with a practice address in Baker, and 775 family medicine physician records in Montana.
All 775 in Montana → Every provider in Baker → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jose Ortiz, MDColstrip, MT 593231760457634
- Christine Seals, MDEkalaka, MT 593241164412755
- Marjorie AlbersMiles City, MT 593011174029086
- Christine Drivdahl-Smith, MDMiles City, MT 593011033205687
- Susan Gallo, MDMiles City, MT 593011619089687
- Kaycee Gardner, MDMiles City, MT 593011154687903
- Patricia Grantham, M.D.Miles City, MT 593011003801275
- Adele Lukaszewicz, M.D.Miles City, MT 593011679654578
Common questions
What is Brian Michael Sullivan, MD's NPI number?
Brian Michael Sullivan, MD's National Provider Identifier (NPI) is 1972761252, issued on May 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Brian Michael Sullivan, MD located?
The NPPES record lists a practice address at 202 S 4TH St W, Baker, MT, 59313. Phone: (406) 778-2833. Providers update this record themselves, so call before visiting.
How can I verify Brian Michael Sullivan, MD's license?
NPPES lists Montana license number 49845, 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 Brian Michael Sullivan, MD prescribe under Medicare Part D?
In 2024, Brian Michael Sullivan, MD had 4,553 Medicare Part D claims for 239 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.