Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sierra Env & Social Services Inc

Organization Bus · NPI 1073060547

Sierra Env & Social Services Inc is a Bus in Castro Valley, California. Licensed in California. Registered with an NPI since 2016.

Licensed in
CA
In the registry since
2016
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

3645 Lorena Ave E
Castro Valley, CA 94546-4369
Phone: (510) 205-1448
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Bus (primary) Taxonomy 347B00000X · Licence 400016929 (CA)

Record details

NPI number1073060547
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ajati Sankoh — Adminstrative Director · (510) 205-1448
NPI enumeratedSeptember 1, 2016
Last updated in NPPESSeptember 1, 2016
Mailing address3645 Lorena Ave Suite, E, Castro Valley, CA 94546