John Cornejo
NPI 1629743414 · Day Training/Habilitation Specialist · Oakland, CA
John Cornejo is a Day Training/Habilitation Specialist provider in Oakland, CA (NPI 1629743414).
Provider details
- NPI number
- 1629743414
- Entity type
- Individual
- Primary specialty
- Day Training/Habilitation SpecialistNursing Service Related Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Nursing Service Related Providers
- Community Health Worker172V00000X
Other Service Providers
- Behavior Technician106S00000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2021-08-12
- Last updated
- 2026-02-26
- Certified
- 2026-02-26
Frequently asked questions
- What is John Cornejo's NPI number?
- John Cornejo's National Provider Identifier (NPI) is 1629743414, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cornejo's specialty?
- John Cornejo is listed in the NPPES registry with a primary specialty of Day Training/Habilitation Specialist (Nursing Service Related Providers).
- Where is John Cornejo located?
- John Cornejo's practice location on file with NPPES is 3800 Coolidge Ave, Oakland, CA 94602-3311.
- What is John Cornejo's phone number?
- The practice phone number listed in the NPPES registry for John Cornejo is (510) 482-2244.
- Is John Cornejo's NPI active?
- Yes — John Cornejo's NPI (1629743414) is active in the NPPES registry as of the last update on 2026-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.