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Provider Profile

Diana L. Guest, MFT

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At a glance

About Diana Guest

Diana L. Guest, MFT is a marriage & family therapist practicing in San Diego, CA. This provider record is associated with NPI 1659506384.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Credentials & Licensing

NJ · Licensed Marriage and Family TherapistCalifornia Board of Behavioral Sciences
No. 31177DelinquentExpired Oct 31, 2025Since 1993
NPINational Provider Identifier
1659506384Issued 2009

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Common questions

What kind of doctor is Diana L. Guest?

Diana L. Guest is a marriage and family therapist in San Diego, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Marriage & Family Therapist”.

NPI registry

What is Diana L. Guest's address?

Diana L. Guest is listed at 1767 Grand Ave Suite 4, San Diego, CA 92109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Diana L. Guest?

The number on file is (858) 274-1662. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Diana L. Guest's NPI number?

Diana L. Guest's National Provider Identifier is 1659506384. 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

How long has Diana L. Guest been practicing?

Diana L. Guest has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Diana L. Guest confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Diana L. Guest. If this is you, claiming it is free.

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