Serena Zephyr Brewer, D.O
Family Medicine Physician · Butte, MT
Serena Zephyr Brewer, D.O is a family medicine physician with a practice address in Butte, Montana, and NPI 1487853404, issued on Jul 11, 2007. Check the license (Montana 11723, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Serena Zephyr Brewer
- Credential
- D.O
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 11723 MT
20A9694 CA
Self-reported in NPPES; status is on the state search - Practice location
- 445 Centennial Ave, Butte, MT 59701
- Phone
- (406) 723-4075
- Enumerated
- Jul 11, 2007
- Record last updated
- Mar 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20081209000756); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2005
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 775 in Montana → Look up another NPI →
Also registered at 445 Centennial Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Serena Zephyr Brewer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 11723Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average family medicine physician in 2024
5,412 Medicare Part D claims for 243 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 363 claims were for opioids.
Most prescribed
- Atorvastatin Calcium253 claims
- Levothyroxine Sodium184 claims
- Gabapentin157 claims
- Omeprazole153 claims
- Hydrocodone-Acetaminophen152 claims
- Rosuvastatin Calcium146 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Butte Silver Bow Primary Health Care Clinic IncButte, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Serena Zephyr Brewer among 775 family medicine physician records in Montana
Serena Zephyr Brewer, D.O is one of 775 family medicine physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2005 · median 2007 among the 464 with a school on file
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family medicine physician records list a practice address in Butte
They are 17 of the 744 NPPES records with a practice address in Butte, and 775 family medicine physician records in Montana.
All 775 in Montana → Every provider in Butte → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nathaniel Cranney, D.O.Butte, MT 597011578975009
- Wendy Grace, MDButte, MT 597011265743348
- Jordan Greer, DOButte, MT 597011932237757
- Stephen Halvorson, MDButte, MT 597011215045802
- Anthony Konecny, M.D.Butte, MT 597011093017402
- Michael Lefever, D.O.Butte, MT 597011568561413
- Patrick McGree, MDButte, MT 597011427039064
- Kathren McGree, D.O.Butte, MT 597011881855989
Common questions
What is Serena Zephyr Brewer, D.O's NPI number?
Serena Zephyr Brewer, D.O's National Provider Identifier (NPI) is 1487853404, issued on Jul 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Serena Zephyr Brewer, D.O located?
The NPPES record lists a practice address at 445 Centennial Ave, Butte, MT, 59701. Phone: (406) 723-4075. Providers update this record themselves, so call before visiting.
How can I verify Serena Zephyr Brewer, D.O's license?
NPPES lists Montana license number 11723, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Serena Zephyr Brewer, D.O prescribe under Medicare Part D?
In 2024, Serena Zephyr Brewer, D.O had 5,412 Medicare Part D claims for 243 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.