Matthew Michael Koehler, DO
NPI 1801090519ActiveIndividual· Dermatology· San Rafael, CA
Dermatology (DO) with Regents Univ of California UCSF, practicing in San Rafael, California. 1,001 Medicare patients in 2024, $276,328 paid; nearly all of their 1,024 Part D prescriptions were generic (91%). Arcutis Biotherapeutics, Inc. was the largest of 16 companies reporting payments in 2025, $827.38 in all, mostly food and beverage. Lists Marinhealth Medical Center as a hospital affiliation.
Overview
| NPI | 1801090519 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 14, 2007 |
| Last updated in NPPES | Aug 20, 2020 |
| Certified by provider | Aug 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 10685 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,001 |
|---|---|
| Services billed | 5,571 across 72 procedure codes |
| Paid by Medicare | $276,328 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,024 · 1,303 30-day fills |
|---|---|
| Patients | 478 |
| Total drug cost | $258,540 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Regents Univ of California UCSFSan Francisco, CA · 283 clinicians
Hospital affiliation
- Marinhealth Medical CenterGreenbrae, CA
Industry payments (Open Payments)
- 2025$827.38 · 36 payments from 16 companies
- 2024$696.53 · 31 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arcutis Biotherapeutics, Inc. | $126.77 | 6 |
| Lilly USA, LLC | $117.66 | 4 |
| Incyte Corporation | $72.87 | 3 |
| Novartis Pharmaceuticals Corporation | $71.56 | 3 |
| Genzyme Corporation | $64.20 | 3 |
What the 2025 payments were for
- Food and Beverage$827.38 · 36 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in San Rafael
- 1720370166
- 1194759720
- 1841433182
- 1952930604
- 1083872618
- 1205910205
- 1952336232
- 1124102116
- 1336465517
- 1063755734
- 1902830623
- 1881049872