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Provider Profile

Deborah S. Williamson

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At a glance

About Deborah Williamson

Listed in the NPI registry as a marriage & family therapist, Deborah S. Williamson practices in Vacaville, CA. NPI 1386780047 identifies this record in the national registry.

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

Specialty

Credentials & Licensing

CA · Licensed Marriage and Family TherapistCalifornia Board of Behavioral Sciences
No. 28328DelinquentExpired Sep 30, 2026Since 1991
AZ licenceAs reported to the NPI registry
No. LMFT-10238As reported
NPINational Provider Identifier
1386780047Issued 2007

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Common questions

What kind of doctor is Deborah S. Williamson?

Deborah S. Williamson is a marriage and family therapist in Vacaville, 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 Deborah S. Williamson's address?

Deborah S. Williamson is listed at 419 Mason St Suite 202, Vacaville, CA 95688. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Deborah S. Williamson?

The number on file is (707) 452-9244. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Deborah S. Williamson?

Deborah S. Williamson's National Provider Identifier is 1386780047. 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 much experience does Deborah S. Williamson have?

Deborah S. Williamson has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Deborah S. Williamson's profile verified?

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

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