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

SYDNEY MARIE HOLLINGSWORTH
NPI 1003447251
Marriage & Family Therapist in Hayward, CA

Active since January 27, 2020
409 JACKSON ST, HAYWARD, CA 94544(510) 891-5600(510) 844-3385 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 16, 2026, Oct 2, 2024, Jan 27, 2020 (3 updates tracked since 2020).

About Sydney Marie Hollingsworth NPPES

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

SYDNEY MARIE HOLLINGSWORTH (NPI 1003447251) is an individual marriage & family therapist in Hayward, California, licensed in California (144532) and active in the NPI registry since January 2020.

NPPES Registry Identity

NPI1003447251
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameSYDNEY MARIE HOLLINGSWORTH
Location Address409 JACKSON STHayward, CA 94544-1530
Mailing Address409 Jackson StHayward, CA 94544-1530 · (510) 891-5600
Phone(510) 891-5600
Fax(510) 844-3385
Sole ProprietorNo
Enumeration DateJanuary 27, 2020
Last NPPES UpdateJuly 16, 20263 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
✔ NPI 1003447251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · 144532
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedBehavior TechnicianTaxonomy 106S00000X
409 JACKSON ST, Hayward, CA 94544
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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.

MARTA ELENA REYNOSO LCSW
Social Worker (Clinical)
409 JACKSON ST, SUITE 200
HAYWARD, CA 94544
Alameda County (510) 891-5650
MR. JEREMY LIGHTELL LCSW
Social Worker (Clinical)
409 JACKSON ST
HAYWARD, CA 94544
Alameda County (510) 891-5600
ELIZABETH PAREDES GALLEGOS
Social Worker
409 JACKSON ST
HAYWARD, CA 94544
Alameda County (510) 891-5600
VERONICA RAMOS
Social Worker (Clinical)
409 JACKSON ST
HAYWARD, CA 94544
Alameda County (510) 891-5600
JOSUE MONTERROSO
Student in an Organized Health Care Education/Training Program
409 JACKSON ST
HAYWARD, CA 94544
Alameda County (510) 891-5642
ANDREW SPIVACK MSW/ASW
Social Worker (Clinical)
409 JACKSON ST
HAYWARD, CA 94544
Alameda County (510) 891-5600
ARRASH LEE ABRI
Social Worker
409 JACKSON ST
HAYWARD, CA 94544
Alameda County (510) 891-5600
NATASHA GENA MCKINLEY
Case Manager/Care Coordinator
409 JACKSON ST
HAYWARD, CA 94544
Alameda County (510) 891-5600

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 Sydney Hollingsworth's NPI number?

The NPI number for Sydney Hollingsworth is 1003447251. It was assigned to this individual provider in the NPPES registry on January 27, 2020.

Where is Sydney Hollingsworth located?

Sydney Hollingsworth practices at 409 Jackson St, Hayward, CA 94544. The listed phone number is (510) 891-5600.

What is Sydney Hollingsworth's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Sydney Hollingsworth was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.