Doctor profile · Federal record

Dr. Barr Petersen, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Billings, MT

  • NPI 1497933667
  • Accepts Medicare
  • MIPS 92.8 / 100 · 2023
  • 20 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2800 10Th Ave N
Billings, MT 591010703
(406) 238-4145
Mailing address
Po Box 35100
Billings, MT 591075100

Credentials & registration

NPPES · NUCC
NPI registered
February 2008 — 18 yrs on file
Profile last updated
February 4, 2025
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (5)
Montana #MED-PHYS-LIC-48400 · California #A125745 · Arizona #42002 · Utah #6851493-1205 · Montana #48400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497933667. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
543
Distinct HCPCS
5
Medicare allowed
$54,778
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 270 109 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 96 44 $117
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 80 75 $174
99238 Hospital discharge day management, 30 minutes or less 76 73 $81
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 21 $131

In context: peer comparison

Among 7 peers in Billings Hospitalist Physician, average services per provider: 87. This provider delivers 6.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Barr Petersen's medical specialty?
Dr. Barr Petersen practices Hospitalist Physician in Billings, MT.
Where does Dr. Barr Petersen practice?
Dr. Barr Petersen practices at 2800 10Th Ave N, Billings, MT 591010703. Office phone: 4062384145.
What is Dr. Barr Petersen's NPI?
Dr. Barr Petersen's National Provider Identifier (NPI) is 1497933667, issued by NPPES.
Does Dr. Barr Petersen accept Medicare assignment?
Yes. Dr. Barr Petersen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Barr Petersen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.