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GEORGIANNA SIMONE MARCHESSEAULT ASW
NPI 1982383352
Social Worker in Oakland, CA

Active since July 13, 2023
3800 COOLIDGE AVE, OAKLAND, CA 94602(510) 482-2244 Get Directions Write a Review

NPPES record last updated: September 12, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 12, 2025, Jul 13, 2023 (2 updates tracked since 2023).

About Georgianna Simone Marchesseault Asw NPPES

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

GEORGIANNA SIMONE MARCHESSEAULT ASW (NPI 1982383352) is an individual social worker in Oakland, California, licensed in California (133417) and active in the NPI registry since July 2023.

NPPES Registry Identity

NPI1982383352
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameGEORGIANNA SIMONE MARCHESSEAULTCredential: ASW
Location Address3800 COOLIDGE AVEOakland, CA 94602-3399
Mailing Address3800 Coolidge AveOakland, CA 94602-3399 · (510) 482-2244
Phone(510) 482-2244
Sole ProprietorNo
Enumeration DateJuly 13, 2023
Last NPPES UpdateSeptember 12, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2025
✔ NPI 1982383352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in CA · 133417
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

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.

MARY ELLEN ROJAS
Marriage & Family Therapist
3800 COOLIDGE AVE
OAKLAND, CA 94602
Alameda County (510) 482-2244
KAYLA JOANNE DOUGLAS
Student in an Organized Health Care Education/Training Program
3800 COOLIDGE AVE
OAKLAND, CA 94602
Alameda County (510) 482-2244
MICHAELLA HELENA DEAN
Marriage & Family Therapist
3800 COOLIDGE AVE
OAKLAND, CA 94602
Alameda County (510) 482-2244
FRED FINCH YOUTH & FAMILY SERVICES
Adult Companion
3800 COOLIDGE AVE
OAKLAND, CA 94602
Alameda County (510) 482-2244
MR. ROGER WAYNE DANIELS LCSW
Social Worker (Clinical)
3800 COOLIDGE AVE
OAKLAND, CA 94602
Alameda County (510) 482-2244
MS. ALEXIS V. LOWENSTEIN LMFT
Marriage & Family Therapist
3800 COOLIDGE AVE
OAKLAND, CA 94602
Alameda County (510) 482-2244
KENDRA SUNYUNG STAFFORD ROBINSON LMFT
Marriage & Family Therapist
3800 COOLIDGE AVE
OAKLAND, CA 94602
Alameda County (510) 482-2244
MISS MARY KATHERINE COPE MFT
Counselor (Mental Health)
3800 COOLIDGE AVE
OAKLAND, CA 94602
Alameda County (510) 773-9629

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 Georgianna Marchesseault's NPI number?

The NPI number for Georgianna Marchesseault is 1982383352. It was assigned to this individual provider in the NPPES registry on July 13, 2023.

Where is Georgianna Marchesseault located?

Georgianna Marchesseault practices at 3800 Coolidge Ave, Oakland, CA 94602. The listed phone number is (510) 482-2244.

What is Georgianna Marchesseault'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 Georgianna Marchesseault was last updated on September 12, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.