William Ma, LMFT
NPI 1275778565 · Marriage & Family Therapist · Oakland, CA
William Ma, LMFT is a Marriage & Family Therapist provider in Oakland, CA (NPI 1275778565).
Provider details
- NPI number
- 1275778565
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 96148 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs 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
Mailing address
Registry dates
- Enumerated
- 2008-12-16
- Last updated
- 2024-06-18
- Certified
- 2024-06-18
Frequently asked questions
- What is William Ma's NPI number?
- William Ma's National Provider Identifier (NPI) is 1275778565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ma's specialty?
- William Ma is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Ma located?
- William Ma's practice location on file with NPPES is 3131 60th Ave, Oakland, CA 94605-1603.
- What is William Ma's phone number?
- The practice phone number listed in the NPPES registry for William Ma is (510) 871-0633.
- Is William Ma's NPI active?
- Yes — William Ma's NPI (1275778565) is active in the NPPES registry as of the last update on 2024-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.