John Gasperoni, PH.D.
NPI 1619940178 · Clinical Psychologist · Walnut Creek, CA
John Gasperoni, PH.D. is a Clinical Psychologist provider in Walnut Creek, CA (NPI 1619940178).
Provider details
- NPI number
- 1619940178
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY11734 (CA)
Specialties & taxonomies
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
20 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
- 2006-02-07
- Last updated
- 2011-04-21
Frequently asked questions
- What is John Gasperoni's NPI number?
- John Gasperoni's National Provider Identifier (NPI) is 1619940178, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gasperoni's specialty?
- John Gasperoni is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Gasperoni located?
- John Gasperoni's practice location on file with NPPES is 3050 Citrus Circle, Walnut Creek, CA 94598-2662.
- What is John Gasperoni's phone number?
- The practice phone number listed in the NPPES registry for John Gasperoni is (925) 279-1046.
- Is John Gasperoni's NPI active?
- Yes — John Gasperoni's NPI (1619940178) is active in the NPPES registry as of the last update on 2011-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.