Are you John J. Ferdenzi? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileJohn J. Ferdenzi is a psychologist — clinical based in Pasadena, CA. The provider's National Provider Identifier (NPI) is 1285455287.
Factual summary compiled by Guide.md from public records; not written by this provider.
427 S MARENGO AVE STE 5
Pasadena, CA 91101
John J. Ferdenzi is a psychologist in Pasadena, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
John J. Ferdenzi is listed at 427 S Marengo Ave Ste 5, Pasadena, CA 91101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (213) 718-1422. Contact the office directly to confirm availability and scheduling.
NPI registry
John J. Ferdenzi's National Provider Identifier is 1285455287. 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
John J. Ferdenzi has 2+ years experience. Registered with an NPI since 2024. 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 John J. Ferdenzi. If this is you, claiming it is free.
Guide.md
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