Diana Lam, LCSW
NPI 1477601862 · Clinical Social Worker · San Jose, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Lam, LCSW is a Clinical Social Worker provider in San Jose, CA (NPI 1477601862).
Provider details
- NPI number
- 1477601862
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 117659 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Counselor101Y00000X
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
19 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
- 2007-01-08
- Last updated
- 2024-09-19
- Certified
- 2024-09-19
Frequently asked questions
- What is Diana Lam's NPI number?
- Diana Lam's National Provider Identifier (NPI) is 1477601862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Lam's specialty?
- Diana Lam is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diana Lam located?
- Diana Lam's practice location on file with NPPES is 160 E Virginia St, San Jose, CA 95112-5857.
- What is Diana Lam's phone number?
- The practice phone number listed in the NPPES registry for Diana Lam is (408) 282-4303.
- Does Diana Lam accept Medicare?
- Diana Lam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Lam's NPI active?
- Yes — Diana Lam's NPI (1477601862) is active in the NPPES registry as of the last update on 2024-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.