IndividualActive
John Van Hagen, PH.D
NPI 1821109018 · Psychologist · San Francisco, CA
John Van Hagen, PH.D is a Psychologist provider in San Francisco, CA (NPI 1821109018).
Provider details
- NPI number
- 1821109018
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY4469 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
35 Vicente St
San Francisco, CA 94127-1301
Phone: (415) 282-1210
Fax: (415) 648-9836
Street-level locationGet directions
Mailing address
4252 25th St
San Francisco, CA 94114-3619
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Van Hagen's NPI number?
- John Van Hagen's National Provider Identifier (NPI) is 1821109018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Van Hagen's specialty?
- John Van Hagen is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is John Van Hagen located?
- John Van Hagen's practice location on file with NPPES is 35 Vicente St, San Francisco, CA 94127-1301.
- What is John Van Hagen's phone number?
- The practice phone number listed in the NPPES registry for John Van Hagen is (415) 282-1210.
- Is John Van Hagen's NPI active?
- Yes — John Van Hagen's NPI (1821109018) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.