Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

FINN JOSEPH SONDER LMFT
NPI 1528990280
Marriage & Family Therapist in Oakland, CA

Active since May 29, 2026
495 JACKSON ST # 1520, OAKLAND, CA 94607(510) 269-7703 Get Directions Write a Review

NPPES record added: May 29, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Finn Joseph Sonder Lmft NPPES

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

FINN JOSEPH SONDER LMFT (NPI 1528990280) is an individual marriage & family therapist in Oakland, California, licensed in California (162210) and active in the NPI registry since May 2026. He maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1528990280
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameFINN JOSEPH SONDERCredential: LMFT
Location Address495 JACKSON ST # 1520Oakland, CA 94607-4329
Mailing Address495 Jackson St # 1520Oakland, CA 94607-4329 · (510) 269-7703
Sole ProprietorYes
Enumeration DateMay 29, 2026
NPPES CertifiedMay 29, 2026
NPI 1528990280 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 · 162210
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.
495 JACKSON ST # 1520, Oakland, CA 94607

Secondary Practice Location 1

Location 13045 Santiago StSan Francisco, CA 94116-1526 · Phone (510) 269-7703

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 Finn Sonder's NPI number?

The NPI number for Finn Sonder is 1528990280. It was assigned to this individual provider in the NPPES registry on May 29, 2026.

Where is Finn Sonder located?

Finn Sonder practices at 495 Jackson St # 1520, Oakland, CA 94607. The listed phone number is (510) 269-7703.

What is Finn Sonder'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 Finn Sonder was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.