IndividualActive
William Bardsley
NPI 1225861495 · Marriage & Family Therapist · Oakland, CA
William Bardsley is a Marriage & Family Therapist provider in Oakland, CA (NPI 1225861495).
Provider details
- NPI number
- 1225861495
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 161875 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
166 Santa Clara Ave Ste 205
Oakland, CA 94610-1323
Phone: (510) 601-1929
Street-level locationGet directions
Mailing address
86 Scenic Dr
Orinda, CA 94563-3412
Registry dates
- Enumerated
- 2024-08-23
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is William Bardsley's NPI number?
- William Bardsley's National Provider Identifier (NPI) is 1225861495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bardsley's specialty?
- William Bardsley is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Bardsley located?
- William Bardsley's practice location on file with NPPES is 166 Santa Clara Ave Ste 205, Oakland, CA 94610-1323.
- What is William Bardsley's phone number?
- The practice phone number listed in the NPPES registry for William Bardsley is (510) 601-1929.
- Is William Bardsley's NPI active?
- Yes — William Bardsley's NPI (1225861495) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.