MS. KATY ANN BYRNE MFT
NPI 1225213895
Marriage & Family Therapist in Sonoma, CA

Q: What is Katy Byrne's NPI number?

The NPI number for Katy Byrne is 1225213895. It was assigned to this individual provider in the NPPES registry on January 2, 2008. The provider is also known as Ms. Kathleen Ann Zwettler Mft.

Q: What is Katy Byrne's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Q: When was this NPI record last updated?

The NPPES record for Katy Byrne was last updated on January 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 02, 2008

18492 RIVERSIDE DR, SONOMA, CA 95476(707) 938-5289 Get Directions Write a Review

NPPES record last updated: January 2, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Ms. Katy Ann Byrne Mft NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. KATY ANN BYRNE MFT (NPI 1225213895) is an individual marriage & family therapist in Sonoma, California, licensed in California (23421) and active in the NPI registry since January 2008.

NPPES Registry Identity

NPI1225213895

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameMS. KATY ANN BYRNECredential: MFT

Location Address18492 RIVERSIDE DRSonoma, CA 95476-4233

Mailing Address18492 Riverside DrSonoma, CA 95476-4233 · (707) 938-5289

Phone(707) 938-5289

Sole ProprietorNo

Enumeration DateJanuary 2, 2008

✔ NPI 1225213895 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

License✔ Licensed in CA · 23421

Definition

A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

18492 RIVERSIDE DR, Sonoma, CA 95476

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Other Names 1

Former Name (1)Ms. Kathleen Ann Zwettler Mft

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katy Byrne's NPI number?

The NPI number for Katy Byrne is 1225213895. It was assigned to this individual provider in the NPPES registry on January 2, 2008. The provider is also known as Ms. Kathleen Ann Zwettler Mft.

Where is Katy Byrne located?

Katy Byrne practices at 18492 Riverside Dr, Sonoma, CA 95476. The listed phone number is (707) 938-5289.

What is Katy Byrne's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Katy Byrne was last updated on January 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.