Are you Karstin M. Alfaro, PA-C? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileListed in the NPI registry as a physician assistant, Karstin M. Alfaro, PA-C practices in Seattle, WA. Karstin graduated from Medical University of South Carolina College of Medicine in 2025. Karstin is also listed as specializing in physician assistant — medical. NPI 1861257982 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
825 EASTLAKE AVE E
Seattle, WA 98109
1959 NE Pacific St
Seattle, WA 98195
Karstin M. Alfaro is a physician assistant in Seattle, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Karstin M. Alfaro is listed at 825 Eastlake Ave E, Seattle, WA 98109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (206) 520-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
Karstin M. Alfaro's National Provider Identifier is 1861257982. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Karstin M. Alfaro attended Medical University of South Carolina College of Medicine, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
Karstin M. Alfaro has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Karstin M. Alfaro. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.
A GigHz company · Founder: Pouyan Golshani, MD