William Lamb, MFT
NPI 1811178973 · Marriage & Family Therapist · San Jose, CA
William Lamb, MFT is a Marriage & Family Therapist provider in San Jose, CA (NPI 1811178973).
Provider details
- NPI number
- 1811178973
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFC35326 (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
18 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
- 2007-11-16
- Last updated
- 2007-11-16
Frequently asked questions
- What is William Lamb's NPI number?
- William Lamb's National Provider Identifier (NPI) is 1811178973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lamb's specialty?
- William Lamb is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Lamb located?
- William Lamb's practice location on file with NPPES is 1939 the Alameda, San Jose, CA 95126-1428.
- What is William Lamb's phone number?
- The practice phone number listed in the NPPES registry for William Lamb is (408) 260-0921.
- Is William Lamb's NPI active?
- Yes — William Lamb's NPI (1811178973) is active in the NPPES registry as of the last update on 2007-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.