Doctor profile · Federal record

Dr. Cynthia Brewer, D.O.

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

  • NPI 1063625416
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 N 29Th St
Billings, MT 591010905
(406) 238-2500
Mailing address
Po Box 35100
Billings, MT 591075100

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
February 22, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Montana #12049 · Ohio #34.008889

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063625416. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
329
Distinct HCPCS
4
Medicare allowed
$31,964
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 215 166 $83
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 52 27 $155
99215 Established patient office or other outpatient visit, 40-54 minutes 44 35 $92
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 18 13 $113

In context: peer comparison

Among 28 peers in Billings Family Medicine Physician, average services per provider: 74. This provider delivers 4.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,665
Patients
648
Total drug cost
$38,750
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 380 95 $4,613
Losartan Potassium Generic 350 89 $3,897
Omeprazole Generic 212 56 $3,150
Gabapentin Generic 210 41 $2,457
Atorvastatin Calcium Generic 203 57 $2,916
Quetiapine Fumarate Generic 170 19 $2,064
Pantoprazole Sodium Generic 157 41 $2,984
Metoprolol Succinate Generic 154 43 $3,449
Potassium Chloride Generic 154 48 $5,338
Amlodipine Besylate Generic 125 33 $898

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Brewer's medical specialty?
Dr. Cynthia Brewer practices Family Medicine Physician in Billings, MT.
Where does Dr. Cynthia Brewer practice?
Dr. Cynthia Brewer practices at 801 N 29Th St, Billings, MT 591010905. Office phone: 4062382500.
What is Dr. Cynthia Brewer's NPI?
Dr. Cynthia Brewer's National Provider Identifier (NPI) is 1063625416, issued by NPPES.
Does Dr. Cynthia Brewer accept Medicare assignment?
Yes. Dr. Cynthia Brewer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cynthia Brewer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Residence visit for established patient with high level of medical decision making (HCPCS 99350); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.