IndividualActive
Sandra Vivian-Calderon
NPI 1700411139 · Community Health Worker · San Leandro, CA
Sandra Vivian-Calderon is a Community Health Worker provider in San Leandro, CA (NPI 1700411139).
Provider details
- NPI number
- 1700411139
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
2275 Arlington Dr
San Leandro, CA 94578-1132
Phone: (510) 317-1444
Street-level locationGet directions
Mailing address
8495 Golf Link Road
Oakland, CA 94605-1132
Registry dates
- Enumerated
- 2020-03-05
- Last updated
- 2023-07-06
- Certified
- 2023-06-28
Frequently asked questions
- What is Sandra Vivian-Calderon's NPI number?
- Sandra Vivian-Calderon's National Provider Identifier (NPI) is 1700411139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Vivian-Calderon's specialty?
- Sandra Vivian-Calderon is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Sandra Vivian-Calderon located?
- Sandra Vivian-Calderon's practice location on file with NPPES is 2275 Arlington Dr, San Leandro, CA 94578-1132.
- What is Sandra Vivian-Calderon's phone number?
- The practice phone number listed in the NPPES registry for Sandra Vivian-Calderon is (510) 317-1444.
- Is Sandra Vivian-Calderon's NPI active?
- Yes — Sandra Vivian-Calderon's NPI (1700411139) is active in the NPPES registry as of the last update on 2023-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.