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MAGGIE A WINTERSTEIN
NPI 1194317479
Day Training/Habilitation Specialist in San Francisco, CA

Active since February 08, 2021
755 S VAN NESS AVE, SAN FRANCISCO, CA 94110(415) 642-4521 Get Directions Write a Review

NPPES record last updated: June 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 9, 2025, Feb 8, 2021 (2 updates tracked since 2021).

About Maggie A Winterstein NPPES

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

MAGGIE A WINTERSTEIN (NPI 1194317479) is an individual day training/habilitation specialist in San Francisco, California and active in the NPI registry since February 2021.

NPPES Registry Identity

NPI1194317479
Entity TypeIndividualFemale
Primary Taxonomy373H00000X
Provider Legal NameMAGGIE A WINTERSTEIN
Location Address755 S VAN NESS AVESan Francisco, CA 94110-1908
Mailing Address755 S Van Ness AveSan Francisco, CA 94110-1908 · (415) 642-4521
Phone(415) 642-4521
Sole ProprietorYes
Enumeration DateFebruary 8, 2021
Last NPPES UpdateJune 9, 20252 updates tracked since enumeration
NPPES CertifiedJune 9, 2025
✔ NPI 1194317479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDay Training/Habilitation SpecialistNursing Service Related Providers
Taxonomy Code373H00000X
Definition
Individuals experienced or trained in working with developmentally disabled individuals who need assistance in acquiring and maintaining life skills that enable them to cope more effectively with the demands of independent living.
Also ListedCommunity Health WorkerTaxonomy 172V00000X
755 S VAN NESS AVE, San Francisco, CA 94110
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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.

STELLA CHU
Specialist
755 S VAN NESS AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 642-4522
LISA INGRID MESTAYER ACSW
Social Worker (Clinical)
755 S VAN NESS AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 642-4505
NANCY M O'CONNOR LCSW
Social Worker (Clinical)
755 S VAN NESS AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 642-4510
BETHANY BROWN LCSW
Social Worker (Clinical)
755 S VAN NESS AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 642-4504
MRS. LESLIE ELAINE MACHTMES M.A., MFT
Marriage & Family Therapist
755 S VAN NESS AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 642-4522
TRACY Y MA
Specialist
755 S VAN NESS AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 642-4502
JAMEEL RASHEED PATTERSON
Day Training/Habilitation Specialist
755 S VAN NESS AVE
SAN FRANCISCO, CA 94110
San Francisco County (628) 754-8600
DEBORAH LYNN SHERWOOD PH.D.
Psychologist
755 S VAN NESS AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 642-4501

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 Maggie Winterstein's NPI number?

The NPI number for Maggie Winterstein is 1194317479. It was assigned to this individual provider in the NPPES registry on February 8, 2021.

Where is Maggie Winterstein located?

Maggie Winterstein practices at 755 S Van Ness Ave, San Francisco, CA 94110. The listed phone number is (415) 642-4521.

What is Maggie Winterstein's specialty?

The primary specialty registered for this NPI is Day Training/Habilitation Specialist with taxonomy code 373H00000X.

When was this NPI record last updated?

The NPPES record for Maggie Winterstein was last updated on June 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.