Doctor profile · Federal record

Dr. Brian Sullivan, MD

Family Medicine Physician (CMS: Family Practice) · Baker, MT

  • NPI 1972761252
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
202 S 4Th St W
Baker, MT 593139156
(406) 778-2833
fax (406) 778-5355
Additional location
514 Americas Way, Apt 6347
Box Elder, SD 577197600
(949) 444-6695
Mailing address
514 Americas Way, Apt 6347
Box Elder, SD 577197600

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
January 25, 2021
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #49845

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972761252. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
55
Distinct HCPCS
4
Medicare allowed
$4,574
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 15 11 $49
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 15 12 $78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $128
99238 Hospital discharge day management, 30 minutes or less 11 11 $80

In context: peer comparison

Among 1 peers in Baker Family Medicine Physician, average services per provider: 13. This provider delivers 4.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,890
Patients
416
Total drug cost
$29,679
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 195 47 $4,094
Lisinopril Generic 187 47 $2,212
Potassium Chloride Generic 181 38 $6,245
Levothyroxine Sodium Generic 179 37 $2,931
Furosemide Generic 159 40 $1,267
Omeprazole Generic 116 26 $1,190
Gabapentin Generic 115 26 $3,447
Amlodipine Besylate Generic 114 28 $1,094
Losartan Potassium Generic 111 20 $1,964
Metoprolol Tartrate Generic 103 25 $715

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Sullivan's medical specialty?
Dr. Brian Sullivan practices Family Medicine Physician in Baker, MT.
Where does Dr. Brian Sullivan practice?
Dr. Brian Sullivan practices at 202 S 4Th St W, Baker, MT 593139156. Office phone: 4067782833.
What is Dr. Brian Sullivan's NPI?
Dr. Brian Sullivan's National Provider Identifier (NPI) is 1972761252, issued by NPPES.
Does Dr. Brian Sullivan accept Medicare assignment?
Yes. Dr. Brian Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.