IndividualActive
Carl Grether
NPI 1215671797 · Community Health Worker · San Francisco, CA
Carl Grether is a Community Health Worker provider in San Francisco, CA (NPI 1215671797).
Provider details
- NPI number
- 1215671797
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
2210 Clay St
San Francisco, CA 94115-1930
Phone: (415) 861-0828
Fax: (415) 861-0140
Street-level locationGet directions
Mailing address
368 Fell St
San Francisco, CA 94102-5144
Registry dates
- Enumerated
- 2022-04-21
- Last updated
- 2022-04-21
- Certified
- 2022-04-21
Frequently asked questions
- What is Carl Grether's NPI number?
- Carl Grether's National Provider Identifier (NPI) is 1215671797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carl Grether's specialty?
- Carl Grether is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Carl Grether located?
- Carl Grether's practice location on file with NPPES is 2210 Clay St, San Francisco, CA 94115-1930.
- What is Carl Grether's phone number?
- The practice phone number listed in the NPPES registry for Carl Grether is (415) 861-0828.
- Is Carl Grether's NPI active?
- Yes — Carl Grether's NPI (1215671797) is active in the NPPES registry as of the last update on 2022-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.