IndividualActive
Lynn Ervin
NPI 1992018436 · Clinical Social Worker · San Rafael, CA
Lynn Ervin is a Clinical Social Worker provider in San Rafael, CA (NPI 1992018436).
Provider details
- NPI number
- 1992018436
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 28683 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
700 E St Ste 102
San Rafael, CA 94901
Phone: (415) 307-3669
Street-level locationGet directions
Mailing address
Po Box 5062
Novato, CA 94948-5062
Registry dates
- Enumerated
- 2010-07-26
- Last updated
- 2018-05-23
Frequently asked questions
- What is Lynn Ervin's NPI number?
- Lynn Ervin's National Provider Identifier (NPI) is 1992018436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynn Ervin's specialty?
- Lynn Ervin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Lynn Ervin located?
- Lynn Ervin's practice location on file with NPPES is 700 E St Ste 102, San Rafael, CA 94901.
- What is Lynn Ervin's phone number?
- The practice phone number listed in the NPPES registry for Lynn Ervin is (415) 307-3669.
- Is Lynn Ervin's NPI active?
- Yes — Lynn Ervin's NPI (1992018436) is active in the NPPES registry as of the last update on 2018-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.