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GREGORY DONALD ISOM
NPI 1619674868
Day Training/Habilitation Specialist in Vallejo, CA

Active since February 08, 2023
160 GLEN COVE MARINA RD E, VALLEJO, CA 94591(707) 648-2000 Get Directions Write a Review

NPPES record last updated: August 14, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 14, 2025, Aug 23, 2023, Apr 1, 2023 and 2 more (5 updates tracked since 2023).

About Gregory Donald Isom NPPES

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

GREGORY DONALD ISOM (NPI 1619674868) is an individual day training/habilitation specialist in Vallejo, California and active in the NPI registry since February 2023.

NPPES Registry Identity

NPI1619674868
Entity TypeIndividualMale
Primary Taxonomy373H00000X
Provider Legal NameGREGORY DONALD ISOM
Location Address160 GLEN COVE MARINA RD EVallejo, CA 94591-7290
Mailing Address801 Greenmont DrVallejo, CA 94591-7642 · (707) 205-6321
Phone(707) 648-2000
Sole ProprietorNo
Enumeration DateFebruary 8, 2023
Last NPPES UpdateAugust 14, 20255 updates tracked since enumeration
NPPES CertifiedAugust 14, 2025
✔ NPI 1619674868 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 ListedCounselorTaxonomy 101Y00000X
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedCommunity Health WorkerTaxonomy 172V00000X
160 GLEN COVE MARINA RD E, Vallejo, CA 94591
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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KYLEE LIDDLE
Rehabilitation Practitioner
160 GLEN COVE MARINA RD E
VALLEJO, CA 94591
Solano County (707) 648-2000
SAPRINA DANIELLE HOWARD
Counselor (Mental Health)
160 GLEN COVE MARINA RD E
VALLEJO, CA 94591
Solano County (707) 239-4491
KAREN VANESSA ALVARADO
Rehabilitation Practitioner
160 GLEN COVE MARINA RD E
VALLEJO, CA 94591
Solano County (707) 648-2000

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 Gregory Isom's NPI number?

The NPI number for Gregory Isom is 1619674868. It was assigned to this individual provider in the NPPES registry on February 8, 2023.

Where is Gregory Isom located?

Gregory Isom practices at 160 Glen Cove Marina Rd E, Vallejo, CA 94591. The listed phone number is (707) 648-2000.

What is Gregory Isom'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 Gregory Isom was last updated on August 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.