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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.

SOPHIE LUCILLE MASON
NPI 1386478006
Social Worker in Oakland, CA

Active since August 27, 2024
3800 COOLIDGE AVE, OAKLAND, CA 94602(510) 482-2244 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Sophie Lucille Mason NPPES

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

SOPHIE LUCILLE MASON (NPI 1386478006) is an individual social worker in Oakland, California, licensed in California (ASW140559) and active in the NPI registry since August 2024.

NPPES Registry Identity

NPI1386478006
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameSOPHIE LUCILLE MASON
Location Address3800 COOLIDGE AVEOakland, CA 94602-3399
Mailing Address2819 College AveBerkeley, CA 94705-2113
Phone(510) 482-2244
Sole ProprietorNo
Enumeration DateAugust 27, 2024
Last NPPES UpdateAugust 11, 2026
NPPES CertifiedAugust 11, 2026
✔ NPI 1386478006 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 · ASW140559
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
3800 COOLIDGE AVE, Oakland, CA 94602
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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.

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 Sophie Mason's NPI number?

The NPI number for Sophie Mason is 1386478006. It was assigned to this individual provider in the NPPES registry on August 27, 2024.

Where is Sophie Mason located?

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

What is Sophie Mason'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 Sophie Mason was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.