WILLIAM WALKER BARDSLEY
NPI 1225861495
Marriage & Family Therapist in Oakland, CA

Active since August 23, 2024
166 SANTA CLARA AVE STE 205, OAKLAND, CA 94610(510) 601-1929 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 3, 2026, Aug 23, 2024 (2 updates tracked since 2024).

About William Walker Bardsley NPPES

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

WILLIAM WALKER BARDSLEY (NPI 1225861495) is an individual marriage & family therapist in Oakland, California, licensed in California (161875) and active in the NPI registry since August 2024.

NPPES Registry Identity

NPI1225861495
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameWILLIAM WALKER BARDSLEY
Location Address166 SANTA CLARA AVE STE 205Oakland, CA 94610-1323
Mailing Address86 Scenic DrOrinda, CA 94563-3412 · (510) 612-0793
Sole ProprietorYes
Enumeration DateAugust 23, 2024
Last NPPES UpdateMarch 3, 20262 updates tracked since enumeration
NPPES CertifiedMarch 3, 2026
NPI 1225861495 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 · 161875
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.
166 SANTA CLARA AVE STE 205, Oakland, CA 94610

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.

Marriage & Family Therapist
166 SANTA CLARA AVE STE 205
OAKLAND, CA 94610
Counselor (Professional)
166 SANTA CLARA AVE STE 205
OAKLAND, CA 94610
Marriage & Family Therapist
166 SANTA CLARA AVE STE 205
OAKLAND, CA 94610
Counselor (Professional)
166 SANTA CLARA AVE STE 205
OAKLAND, CA 94610
Marriage & Family Therapist
166 SANTA CLARA AVE STE 205
OAKLAND, CA 94610
Student in an Organized Health Care Education/Training Program
166 SANTA CLARA AVE STE 205
OAKLAND, CA 94610
Student in an Organized Health Care Education/Training Program
166 SANTA CLARA AVE STE 205
OAKLAND, CA 94610
Marriage & Family Therapist
166 SANTA CLARA AVE STE 205
OAKLAND, CA 94610

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 William Bardsley's NPI number?

The NPI number for William Bardsley is 1225861495. It was assigned to this individual provider in the NPPES registry on August 23, 2024.

Where is William Bardsley located?

William Bardsley practices at 166 Santa Clara Ave Ste 205, Oakland, CA 94610. The listed phone number is (510) 601-1929.

What is William Bardsley'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 William Bardsley was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.