MARIANNA SINGWI-FERRONO
NPI 1164389581
Social Worker - School in Oakland, CA

Active since January 07, 2026
4521 WEBSTER ST, OAKLAND, CA 94609(510) 879-1353 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Marianna Singwi-ferrono NPPES

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

MARIANNA SINGWI-FERRONO (NPI 1164389581) is an individual school provider in Oakland, California, licensed in California (104367) and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1164389581
Entity TypeIndividualFemale
Primary Taxonomy1041S0200X
Provider Legal NameMARIANNA SINGWI-FERRONO
Location Address4521 WEBSTER STOakland, CA 94609-2140
Mailing Address1011 Union StOakland, CA 94607-2236
Sole ProprietorNo
Enumeration DateJanuary 7, 2026
NPPES CertifiedJanuary 7, 2026
NPI 1164389581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · SchoolBehavioral Health & Social Service Providers
Taxonomy Code1041S0200X
License Licensed in CA · 104367
4521 WEBSTER ST, Oakland, CA 94609

Other Providers at the Same Location NPPES 5

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

Health and Wellness Coach
4521 WEBSTER ST
OAKLAND, CA 94609
Counselor (School)
4521 WEBSTER ST
OAKLAND, CA 94609
Community/Behavioral Health
4521 WEBSTER ST
OAKLAND, CA 94609
Community/Behavioral Health
4521 WEBSTER ST, OAKLAND INTERNATIONAL HIGH SCHOOL
OAKLAND, CA 94609
Community/Behavioral Health
4521 WEBSTER ST
OAKLAND, CA 94609

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 Marianna Singwi-ferrono's NPI number?

The NPI number for Marianna Singwi-ferrono is 1164389581. It was assigned to this individual provider in the NPPES registry on January 7, 2026.

Where is Marianna Singwi-ferrono located?

Marianna Singwi-ferrono practices at 4521 Webster St, Oakland, CA 94609. The listed phone number is (510) 879-1353.

What is Marianna Singwi-ferrono's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in School, with taxonomy code 1041S0200X.

When was this NPI record last updated?

The NPPES record for Marianna Singwi-ferrono was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.