Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Brian Michael Sullivan, MD

Individual provider Family Medicine Physician · NPI 1972761252

Dr. Brian Michael Sullivan, MD is a Family Practice in Baker, Montana. Graduated from University of Pittsburgh School of Medicine in 2007, 19 years ago. Practices with Fallon Medical Complex Inc, a 6-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
19
Trained at
University of Pittsburgh School of Medicine
Licensed in
MT
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

202 S 4th St W
Baker, MT 59313-9156
Phone: (406) 778-2833
Fax: (406) 778-5355
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 514 Americas Way, Box Elder, SD 57719-7600 — (949) 444-6695

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 49845 (MT)

Record details

NPI number1972761252
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2008
Last updated in NPPESJanuary 25, 2021
Certification dateJanuary 25, 2021
Mailing address514 Americas Way, Apt 6347, Box Elder, SD 57719-7600

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Fallon Medical Complex Inc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare