IndividualActive
Sidney Chapman
NPI 1144458936 · Counselor · San Francisco, CA
Sidney Chapman is a Counselor provider in San Francisco, CA (NPI 1144458936).
Provider details
- NPI number
- 1144458936
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(79/100 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
83% 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
887 Potrero Ave
San Francisco, CA 94110-2869
Phone: (415) 206-6346
Street-level locationGet directions
Mailing address
2275 Arlington Dr
San Leandro, CA 94578-1132
Registry dates
- Enumerated
- 2009-06-30
- Last updated
- 2009-06-30
Frequently asked questions
- What is Sidney Chapman's NPI number?
- Sidney Chapman's National Provider Identifier (NPI) is 1144458936, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sidney Chapman's specialty?
- Sidney Chapman is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Sidney Chapman located?
- Sidney Chapman's practice location on file with NPPES is 887 Potrero Ave, San Francisco, CA 94110-2869.
- What is Sidney Chapman's phone number?
- The practice phone number listed in the NPPES registry for Sidney Chapman is (415) 206-6346.
- Is Sidney Chapman's NPI active?
- Yes — Sidney Chapman's NPI (1144458936) is active in the NPPES registry as of the last update on 2009-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.