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Provider Profile

Karen Duffy, MFTI

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At a glance

About Karen Duffy

Karen Duffy, MFTI is a marriage & family therapist based in Petaluma, CA. The provider's National Provider Identifier (NPI) is 1144551789.

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. 53314CurrentExpired Oct 31, 2026Since 2013
CA licenceAs reported to the NPI registry
No. IMF51997As reported
NPINational Provider Identifier
1144551789Issued 2010

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Common questions

What is Karen Duffy's specialty?

Karen Duffy is a marriage and family therapist in Petaluma, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Marriage & Family Therapist”.

NPI registry

Where can I find Karen Duffy?

Karen Duffy is listed at 1500 Petaluma Blvd S, Petaluma, CA 94952. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Karen Duffy?

The number on file is (707) 765-8488. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Karen Duffy?

Karen Duffy's National Provider Identifier is 1144551789. 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 Karen Duffy have?

Karen Duffy has 16+ years experience. Registered with an NPI since 2010. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Karen Duffy's profile verified?

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

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

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