Ann Chang Brewer, M.D.
Dermatology Physician · Kalispell, MT
Ann Chang Brewer, M.D. is a dermatology physician with a practice address in Kalispell, Montana, and NPI 1235573114, issued on Apr 23, 2013. Check the license (Montana 56288, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ann Chang Brewer
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 56288 MT
49545 AZ
R73761 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 175 Commons Loop Ste 300, Kalispell, MT 59901
- Phone
- (406) 756-7555
- Enumerated
- Apr 23, 2013
- Record last updated
- Mar 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190603000917); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 55 in Montana → Look up another NPI →
Also registered at 175 Commons Loop Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mackenzie George, PA-CMedical Physician Assistant1750826061
- Marta Graves, PA-CMedical Physician Assistant1346400975
Verify Ann Chang Brewer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 56288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average dermatology physician in 2024
238 Medicare Part D claims for 119 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Fluorouracil28 claims
- Ketoconazole26 claims
- Hydrocortisone23 claims
- Mupirocin23 claims
- Triamcinolone Acetonide21 claims
- Clobetasol Propionate17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 75 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,456.94
53 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Ann C Brewer MD IncMakawao, HI
- Hana HealthHana, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann Chang Brewer among 55 dermatology physician records in Montana
Ann Chang Brewer, M.D. is one of 55 dermatology physician records with a practice address in Montana. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 67% of them.
- NPI issued2013 · 67% of these records are older, 29% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2013 · median 2009 among the 36 with a school on file
- Record last updated2019 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Montana
There are 55 dermatology physician records in Montana.
All 55 in Montana → Every provider in Kalispell → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Ellen Franciosi, MDKalispell, MT 599011518545292
- Thomas George, MDKalispell, MT 599011336207430
- Kathryn Hansen, MDKalispell, MT 599011770659518
- Denielle KastellaKalispell, MT 599011780483057
- Lucy LedyardKalispell, MT 599011528593548
- David Murdock, MDKalispell, MT 599011316013147
- Sylvia Owen, MDKalispell, MT 599011366500464
- Andrew Shors, MDKalispell, MT 599011669552659
Common questions
What is Ann Chang Brewer, M.D.'s NPI number?
Ann Chang Brewer, M.D.'s National Provider Identifier (NPI) is 1235573114, issued on Apr 23, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ann Chang Brewer, M.D. located?
The NPPES record lists a practice address at 175 Commons Loop Ste 300, Kalispell, MT, 59901. Phone: (406) 756-7555. Providers update this record themselves, so call before visiting.
How can I verify Ann Chang Brewer, M.D.'s license?
NPPES lists Montana license number 56288, 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 Ann Chang Brewer, M.D. prescribe under Medicare Part D?
In 2024, Ann Chang Brewer, M.D. had 238 Medicare Part D claims for 119 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Ann Chang Brewer, M.D.'s MIPS final score?
The 2023 MIPS final score is 75 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.