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

JOHN C HAYS
NPI 1104658442
Day Training/Habilitation Specialist in San Francisco, CA

Active since August 15, 2024
77 CORTLAND AVE, SAN FRANCISCO, CA 94110(415) 861-0828 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 8, 2026, Nov 8, 2024, Aug 15, 2024 (3 updates tracked since 2024).

About John C Hays NPPES

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

JOHN C HAYS (NPI 1104658442) is an individual day training/habilitation specialist in San Francisco, California and active in the NPI registry since August 2024.

NPPES Registry Identity

NPI1104658442
Entity TypeIndividualMale
Primary Taxonomy373H00000X
Provider Legal NameJOHN C HAYS
Location Address77 CORTLAND AVESan Francisco, CA 94110-5435
Mailing Address368 Fell StSan Francisco, CA 94102-5144 · (415) 861-0828
Sole ProprietorYes
Enumeration DateAugust 15, 2024
Last NPPES UpdateSeptember 8, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2026
NPI 1104658442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

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 ListedBehavior TechnicianTaxonomy 106S00000X
Also ListedHealth and Wellness CoachTaxonomy 171400000X
Also ListedCommunity Health WorkerTaxonomy 172V00000X
77 CORTLAND AVE, 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.

Community Health Worker
77 CORTLAND AVE
SAN FRANCISCO, CA 94110
Counselor
77 CORTLAND AVE
SAN FRANCISCO, CA 94110
Counselor
77 CORTLAND AVE
SAN FRANCISCO, CA 94110
Community Health Worker
77 CORTLAND AVE
SAN FRANCISCO, CA 94110
Counselor (Mental Health)
77 CORTLAND AVE
SAN FRANCISCO, CA 94110
Counselor
77 CORTLAND AVE
SAN FRANCISCO, CA 94110
Community Health Worker
77 CORTLAND AVE
SAN FRANCISCO, CA 94110
Counselor
77 CORTLAND AVE
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 John Hays's NPI number?

The NPI number for John Hays is 1104658442. It was assigned to this individual provider in the NPPES registry on August 15, 2024.

Where is John Hays located?

John Hays practices at 77 Cortland Ave, San Francisco, CA 94110. The listed phone number is (415) 861-0828.

What is John Hays'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 John Hays was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.