Cynthia Brewer, D.O.
NPI 1063625416 · Family Medicine Physician · Billings, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Brewer, D.O. is a Family Medicine Physician provider in Billings, MT (NPI 1063625416).
Provider details
- NPI number
- 1063625416
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 34.008889 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 37 | 22 |
| Potassium Chloride | 29 | 13 |
| Pantoprazole Sodium | 29 | 14 |
| Losartan Potassium | 29 | 20 |
| Metoprolol Tartrate | 26 | — |
| Atorvastatin Calcium | 23 | 14 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-08
- Last updated
- 2022-02-22
- Certified
- 2022-02-22
Frequently asked questions
- What is Cynthia Brewer's NPI number?
- Cynthia Brewer's National Provider Identifier (NPI) is 1063625416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Brewer's specialty?
- Cynthia Brewer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Brewer located?
- Cynthia Brewer's practice location on file with NPPES is 801 N 29th St, Billings, MT 59101-0905.
- What is Cynthia Brewer's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Brewer is (406) 238-2500.
- Does Cynthia Brewer accept Medicare?
- Cynthia Brewer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Brewer's NPI active?
- Yes — Cynthia Brewer's NPI (1063625416) is active in the NPPES registry as of the last update on 2022-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.