ALYSSIA SIMPSON
NPI 1861998387
Social Worker - Clinical in Hayward, CA
About Alyssia Simpson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSSIA SIMPSON (NPI 1861998387) is an individual clinical provider in Hayward, California, licensed in California (LCSW137216) and active in the NPI registry since April 2018.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alyssia Simpson's NPI number?
The NPI number for Alyssia Simpson is 1861998387. It was assigned to this individual provider in the NPPES registry on April 3, 2018.
Where is Alyssia Simpson located?
Alyssia Simpson practices at 1061 A St, Hayward, CA 94541. The listed phone number is (510) 676-6980.
What is Alyssia Simpson's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
When was this NPI record last updated?
The NPPES record for Alyssia Simpson was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.