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

Brian M. Sullivan, PAC

Individual provider Physician Assistant · NPI 1154400562

Brian M. Sullivan, PAC is a Physician Assistant in Billings, Montana. Qualified in 1995, 31 years ago. Practices with Billings Clinic, a 805-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
31
Licensed in
MT
In the registry since
2006
Specialties on file
2
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

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Practice location Address checks out

2702 8th Ave N
Billings, MT 59101-1107
Phone: (406) 238-2500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence MED-PAC-LIC-209 (MT)
Physician Assistant Taxonomy 363A00000X · Licence 209 (MT)

Record details

NPI number1154400562
Entity typeIndividual (Type 1)
GenderMale
Credentials PAC
Sole proprietorNo
NPI enumeratedNovember 4, 2006
Last updated in NPPESDecember 14, 2021
Certification dateDecember 14, 2021

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Billings Clinic — 805 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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