Ann Chang Brewer, M.D.
NPI 1235573114ActiveIndividual· Dermatology· Kalispell, MT
Dermatology (M.D.) in Kalispell, Montana, trained at University of Arizona College of Medicine (class of 2013). 301 Medicare patients in 2024, $77,470 paid; nearly all of their 238 Part D prescriptions were generic (93%). Ucb, Inc. was the largest of 13 companies reporting payments in 2025, $3,968 in all, mostly consulting fees.
Overview
| NPI | 1235573114 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 23, 2013 |
| Last updated in NPPES | Mar 27, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 56288 | MT |
| Dermatology | 207N00000X | 49545 | AZ |
| Dermatology | 207N00000X | R73761 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 301 |
|---|---|
| Services billed | 1,538 across 46 procedure codes |
| Paid by Medicare | $77,470 |
Part D prescriptions in 2024
| Prescriptions (claims) | 238 · 261 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $93,497 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Dermatology |
Medical groups
- Hana HealthHana, HI · 15 clinicians
- Ann C Brewer MD IncMakawao, HI · 2 clinicians
Industry payments (Open Payments)
- 2025$3,968 · 64 payments from 13 companies
- 2024$1,457 · 53 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $2,177 | 5 |
| Regeneron Healthcare Solutions, Inc. | $449.21 | 10 |
| Abbvie Inc. | $267.50 | 15 |
| Lilly USA, LLC | $227.81 | 8 |
| Galderma Laboratories, L.P. | $196.72 | 3 |
What the 2025 payments were for
- Consulting Fee$1,950 · 1 payment
- Food and Beverage$1,918 · 61 payments
- Education$99.71 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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