HealthcareDiscovery.AI / Doctors / Washington / Dermatopathology

Dermatopathologists in Washington

Data updated monthly · Last refresh October 2026

11 Dermatopathology providers practice in Washington, including 1 (9%) offering telehealth. The largest concentration is in Bellevue. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

11providers
1telehealth
Bellevuetop city

Dermatopathology by city in Washington

Choose a city to see providers there.

Dermatopathology in Bellevue5 providers
Dermatopathology in Seattle2 providers
Dermatopathology in Liberty Lake1 providers
Dermatopathology in Everett1 providers
Dermatopathology in University Place1 providers
Dermatopathology in Mill Creek1 providers

Where Dermatopathologists in Washington practice

From CMS Medicare enrollment records covering 7 of the 11 providers listed here (64%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)DermatopathologistsAll clinicians in groupMain city
Dermatopatholoty Northwest PLLC35Bellevue

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Dermatopathology providers in Washington

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Caitlin May, M.D.
Bellevue, WA · No drug or device payments recorded (2025) · Telehealth · (425) 455-9945
Dr. Casey Carlos, MD
Bellevue, WA · No drug or device payments recorded (2025) · (425) 753-2918
Dr. Kyle Garton, MD
Bellevue, WA · No drug or device payments recorded (2025) · (425) 455-9945
Dr. Michael Piepkorn, M.D.
Bellevue, WA · No drug or device payments recorded (2025) · (425) 455-9945
Dr. Thomas Weir, M.D.
Bellevue, WA · No drug or device payments recorded (2025) · (425) 455-9945
Dr. Sanhwan Chen
Everett, WA · No drug or device payments recorded (2025) · (425) 339-5417
Dr. Ashley Hamstra, M.D.
Liberty Lake, WA · No drug or device payments recorded (2025) · (208) 277-9704
Dr. John Zhang, M.D.
Mill Creek, WA · $482 in drug and device payments (2025) · (425) 385-2009
Dr. Nan Ring, MD
Seattle, WA · No drug or device payments recorded (2025) · (206) 326-3000
Dr. Zsolt Argenyi, MD
Seattle, WA · No drug or device payments recorded (2025) · (206) 598-6400
Dr. Robert Findlay, MD
University Place, WA · No drug or device payments recorded (2025) · (253) 848-3000

Common questions

How many Dermatopathology providers are in Washington?

There are 11 Dermatopathology providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.

Do Dermatopathology providers in Washington offer telehealth?

Yes. 1 of the 11 Dermatopathology providers in Washington (about 9%) report offering telehealth services in CMS data.

Which cities in Washington have the most Dermatopathology providers?

Bellevue (5), Seattle (2), Liberty Lake (1) have the highest concentration of Dermatopathology providers in Washington.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Dermatopathology in all 50 states Search all 11 in the directory Ask Zach for help choosing

Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Dermatopathology in Washington? Get featured.