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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

NPI1801090519
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedJun 14, 2007
Last updated in NPPESAug 20, 2020
Certified by providerAug 20, 2020

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Dermatology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,001
Services billed5,571 across 72 procedure codes
Paid by Medicare$276,328

Part D prescriptions in 2024

Prescriptions (claims)1,024 · 1,303 30-day fills
Patients478
Total drug cost$258,540
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Graduation year2007
Medicare specialtyDermatology

Medical group

Hospital affiliation

Source: CMS Care Compare

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

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

All Dermatology providers in California →