Are you Cornel F. Thiersen, AMFT? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileCornel F. Thiersen, AMFT is a marriage & family therapist based in San Clemente, CA. The provider's National Provider Identifier (NPI) is 1013882356.
Factual summary compiled by Guide.md from public records; not written by this provider.
302 N EL CAMINO REAL STE 216
San Clemente, CA 92672
Cornel F. Thiersen is a marriage and family therapist in San Clemente, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Marriage & Family Therapist”.
NPI registry
Cornel F. Thiersen is listed at 302 N El Camino Real Ste 216, San Clemente, CA 92672. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (949) 212-3266. Contact the office directly to confirm availability and scheduling.
NPI registry
Cornel F. Thiersen's National Provider Identifier is 1013882356. 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
Cornel F. Thiersen has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Cornel F. Thiersen. If this is you, claiming it is free.
Guide.md
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