Quick answers
- Which hospitals does Matthew M. Koehler work at?
- Medicare's official clinician data lists Matthew M. Koehler at 1 hospital: Marinhealth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew M. Koehler see patients?
- Medicare's clinician data lists 1 practice location in San Francisco, CA. Call before your visit to confirm the address.
- What is Matthew M. Koehler's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Matthew M. Koehler accept Medicare assignment?
- Medicare's clinician data says Matthew M. Koehler may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Matthew M. Koehler?
- (415) 476-1000, as listed in official Medicare / NPI Registry data.
- What is Matthew M. Koehler's NPI number?
- 1801090519. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew M. Koehler works
Medicare's Facility Affiliation Data lists Matthew M. Koehler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · CCN 050360
Practice locations
Addresses where Matthew M. Koehler is enrolled with Medicare (CMS data updated 2026-10-02).
- 505 Parnassus AveSan Francisco, CA 94143 (415) 476‑1000
Group practices
Medicare enrollment lists Matthew M. Koehler as a member of this group (CMS data updated 2026-10-02).
- Regents Univ of California UCSF283 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1801090519 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians