DAVID KEVIN SEIDNER LMFT
NPI 1912177353
Marriage & Family Therapist in San Mateo, CA

Q: What is David Seidner's NPI number?

The NPI number for David Seidner is 1912177353. It was assigned to this individual provider in the NPPES registry on February 29, 2008.

Q: What is David Seidner'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 David Seidner was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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 February 29, 2008

1700 S AMPHLETT BLVD STE 120, SAN MATEO, CA 94402(650) 683-2101 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About David Kevin Seidner Lmft NPPES

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

DAVID KEVIN SEIDNER LMFT (NPI 1912177353) is an individual marriage & family therapist in San Mateo, California, licensed in California (42600) and active in the NPI registry since February 2008.

NPPES Registry Identity

NPI1912177353

Entity TypeIndividualMale

Primary Taxonomy106H00000X

Provider Legal NameDAVID KEVIN SEIDNERCredential: LMFT

Location Address1700 S AMPHLETT BLVD STE 120San Mateo, CA 94402-2711

Mailing Address1700 S Amphlett Blvd Ste 120San Mateo, CA 94402-2711 · (650) 683-2101

Phone(650) 683-2101

Sole ProprietorYes

Enumeration DateFebruary 29, 2008

Last NPPES UpdateFebruary 9, 2026

NPPES CertifiedFebruary 9, 2026

✔ NPI 1912177353 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 · 42600

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.

1700 S AMPHLETT BLVD STE 120, San Mateo, CA 94402

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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