IndividualActive
Siew Tan
NPI 1356772909 · Community Health Worker · San Francisco, CA
Siew Tan is a Community Health Worker provider in San Francisco, CA (NPI 1356772909).
Provider details
- NPI number
- 1356772909
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 172V00000X (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
106 Ridgewood Ave
San Francisco, CA 94112-1359
Phone: (415) 724-8161
Street-level locationGet directions
Mailing address
106 Ridgewood Ave
San Francisco, CA 94112
Registry dates
- Enumerated
- 2013-12-09
- Last updated
- 2013-12-09
Frequently asked questions
- What is Siew Tan's NPI number?
- Siew Tan's National Provider Identifier (NPI) is 1356772909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siew Tan's specialty?
- Siew Tan is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Siew Tan located?
- Siew Tan's practice location on file with NPPES is 106 Ridgewood Ave, San Francisco, CA 94112-1359.
- What is Siew Tan's phone number?
- The practice phone number listed in the NPPES registry for Siew Tan is (415) 724-8161.
- Is Siew Tan's NPI active?
- Yes — Siew Tan's NPI (1356772909) is active in the NPPES registry as of the last update on 2013-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.