Brian Sullivan, MD
NPI 1972761252 · Family Medicine Physician · Baker, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Sullivan, MD is a Family Medicine Physician provider in Baker, MT (NPI 1972761252).
Provider details
- NPI number
- 1972761252
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 49845 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
75 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 21 | $76 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 20 | $48 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 18 | $111 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 16 | $127 |
Typical Medicare-allowed amounts for these services range $48–$127 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Potassium Chloride | 201 | 44 |
| Lisinopril | 189 | 50 |
| Atorvastatin Calcium | 187 | 51 |
| Levothyroxine Sodium | 163 | 33 |
| Gabapentin | 160 | 35 |
| Amlodipine Besylate | 143 | 30 |
| Omeprazole | 117 |
Practice location
Mailing address
Additional practice locations (1)
- 514 Americas WayApt 6347Box Elder, SD 57719-7600Phone: (949) 444-6695
Registry dates
- Enumerated
- 2008-05-23
- Last updated
- 2021-01-25
- Certified
- 2021-01-25
Frequently asked questions
- What is Brian Sullivan's NPI number?
- Brian Sullivan's National Provider Identifier (NPI) is 1972761252, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Sullivan's specialty?
- Brian Sullivan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Sullivan located?
- Brian Sullivan's practice location on file with NPPES is 202 S 4th St W, Baker, MT 59313-9156.
- What is Brian Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Brian Sullivan is (406) 778-2833.
- Does Brian Sullivan accept Medicare?
- Brian Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Sullivan's NPI active?
- Yes — Brian Sullivan's NPI (1972761252) is active in the NPPES registry as of the last update on 2021-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.