John Havey, PH.D.
NPI 1730386269 · Psychologist · Elk Grove, CA
John Havey, PH.D. is a Psychologist provider in Elk Grove, CA (NPI 1730386269).
Provider details
- NPI number
- 1730386269
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 21388 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
18 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2007-06-28
- Last updated
- 2010-09-16
Frequently asked questions
- What is John Havey's NPI number?
- John Havey's National Provider Identifier (NPI) is 1730386269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Havey's specialty?
- John Havey is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is John Havey located?
- John Havey's practice location on file with NPPES is 9093 Elk Grove Blvd # 206, Elk Grove, CA 95624-2047.
- What is John Havey's phone number?
- The practice phone number listed in the NPPES registry for John Havey is (808) 284-7770.
- Is John Havey's NPI active?
- Yes — John Havey's NPI (1730386269) is active in the NPPES registry as of the last update on 2010-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.