Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHERINE CELLINI
NPI 1255118246
Social Worker in Castro Valley, CA

Active since September 12, 2023
2050 FAIRMONT DR, CASTRO VALLEY, CA 94578(415) 970-4000 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Katherine Cellini NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE CELLINI (NPI 1255118246) is an individual social worker in Castro Valley, California, licensed in California (ASW134886) and active in the NPI registry since September 2023.

NPPES Registry Identity

NPI1255118246
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameKATHERINE CELLINI
Location Address2050 FAIRMONT DRCastro Valley, CA 94578-1001
Mailing Address901 Sara Ct Apt 74Vacaville, CA 95687-6263
Sole ProprietorYes
Enumeration DateSeptember 12, 2023
Last NPPES UpdateJune 26, 2026
NPPES CertifiedJune 26, 2026
NPI 1255118246 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License Licensed in CA · ASW134886
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
2050 FAIRMONT DR, Castro Valley, CA 94578

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Licensed Vocational Nurse
2050 FAIRMONT DR
CASTRO VALLEY, CA 94578
Technician, Health Information (Assistant Record Technician)
2050 FAIRMONT DR
SAN LEANDRO, CA 94578
Registered Nurse (Psychiatric/Mental Health, Child & Adolescent)
2050 FAIRMONT DR
SAN LEANDRO, CA 94578
Licensed Psychiatric Technician
2050 FAIRMONT DR
SAN LEANDRO, CA 94578
Psychiatric Hospital
2050 FAIRMONT DR, 2 BLDG. C-D
SAN LEANDRO, CA 94578
Registered Nurse
2050 FAIRMONT DR
SAN LEANDRO, CA 94578
Licensed Psychiatric Technician
2050 FAIRMONT DR
CASTRO VALLEY, CA 94578
Student in an Organized Health Care Education/Training Program
2050 FAIRMONT DR
CASTRO VALLEY, CA 94578

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 Katherine Cellini's NPI number?

The NPI number for Katherine Cellini is 1255118246. It was assigned to this individual provider in the NPPES registry on September 12, 2023.

Where is Katherine Cellini located?

Katherine Cellini practices at 2050 Fairmont Dr, Castro Valley, CA 94578. The listed phone number is (415) 970-4000.

What is Katherine Cellini's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Katherine Cellini was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.