MATTHEW AARON FELDSTEIN
NPI 1649595943
Day Training/Habilitation Specialist in San Francisco, CA

Active since March 30, 2010
1405 GUERRERO ST, SAN FRANCISCO, CA 94110(415) 861-0828 Get Directions Write a Review

NPPES record last updated: October 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 6, 2025, Jul 17, 2018 (2 updates tracked since 2018).

About Matthew Aaron Feldstein NPPES

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

MATTHEW AARON FELDSTEIN (NPI 1649595943) is an individual day training/habilitation specialist in San Francisco, California and active in the NPI registry since March 2010.

NPPES Registry Identity

NPI1649595943
Entity TypeIndividualMale
Primary Taxonomy373H00000X
Provider Legal NameMATTHEW AARON FELDSTEIN
Location Address1405 GUERRERO STSan Francisco, CA 94110-4324
Mailing Address368 Fell StSan Francisco, CA 94102-5144 · (415) 861-0828 · Fax (415) 861-0257
Sole ProprietorNo
Enumeration DateMarch 30, 2010
Last NPPES UpdateOctober 6, 20252 updates tracked since enumeration
NPPES CertifiedOctober 6, 2025
NPI 1649595943 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

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.
1405 GUERRERO ST, San Francisco, CA 94110

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.

Day Training/Habilitation Specialist
1405 GUERRERO ST
SAN FRANCISCO, CA 94110
Community Based Residential Treatment Facility, Mental Illness
1405 GUERRERO ST
SAN FRANCISCO, CA 94110
Counselor
1405 GUERRERO ST
SAN FRANCISCO, CA 94110
Community Health Worker
1405 GUERRERO ST
SAN FRANCISCO, CA 94110
Counselor
1405 GUERRERO ST
SAN FRANCISCO, CA 94110
Community Health Worker
1405 GUERRERO ST
SAN FRANCISCO, CA 94110
Day Training/Habilitation Specialist
1405 GUERRERO ST
SAN FRANCISCO, CA 94110
Community Health Worker
1405 GUERRERO ST
SAN FRANCISCO, CA 94110

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 Matthew Feldstein's NPI number?

The NPI number for Matthew Feldstein is 1649595943. It was assigned to this individual provider in the NPPES registry on March 30, 2010.

Where is Matthew Feldstein located?

Matthew Feldstein practices at 1405 Guerrero St, San Francisco, CA 94110. The listed phone number is (415) 861-0828.

What is Matthew Feldstein'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 Matthew Feldstein was last updated on October 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.