Matthew Chappell, L.C.S.W
NPI 1518204312 · Clinical Social Worker · San Francisco, CA
Matthew Chappell, L.C.S.W is a Clinical Social Worker provider in San Francisco, CA (NPI 1518204312).
Provider details
- NPI number
- 1518204312
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- L.C.S.W
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25240 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
13 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
- 2013-01-14
- Last updated
- 2013-01-14
Frequently asked questions
- What is Matthew Chappell's NPI number?
- Matthew Chappell's National Provider Identifier (NPI) is 1518204312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Chappell's specialty?
- Matthew Chappell is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew Chappell located?
- Matthew Chappell's practice location on file with NPPES is 842 California St, San Francisco, CA 94108-2315.
- What is Matthew Chappell's phone number?
- The practice phone number listed in the NPPES registry for Matthew Chappell is (415) 820-3989.
- Is Matthew Chappell's NPI active?
- Yes — Matthew Chappell's NPI (1518204312) is active in the NPPES registry as of the last update on 2013-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.