Gregory Isom
NPI 1619674868 · Day Training/Habilitation Specialist · Vallejo, CA
Gregory Isom is a Day Training/Habilitation Specialist provider in Vallejo, CA (NPI 1619674868).
Provider details
- NPI number
- 1619674868
- Entity type
- Individual
- Primary specialty
- Day Training/Habilitation SpecialistNursing Service Related Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Nursing Service Related Providers
- Counselor101Y00000X
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- Community Health Worker172V00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-02-08
- Last updated
- 2025-08-14
- Certified
- 2025-08-14
Frequently asked questions
- What is Gregory Isom's NPI number?
- Gregory Isom's National Provider Identifier (NPI) is 1619674868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Isom's specialty?
- Gregory Isom is listed in the NPPES registry with a primary specialty of Day Training/Habilitation Specialist (Nursing Service Related Providers).
- Where is Gregory Isom located?
- Gregory Isom's practice location on file with NPPES is 160 Glen Cove Marina Rd E, Vallejo, CA 94591-7290.
- What is Gregory Isom's phone number?
- The practice phone number listed in the NPPES registry for Gregory Isom is (707) 648-2000.
- Is Gregory Isom's NPI active?
- Yes — Gregory Isom's NPI (1619674868) is active in the NPPES registry as of the last update on 2025-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.