Registry data as of Aug 27, 2026

John Hessler, PH.D.

Psychologist · Chula Vista, CA

John Hessler, PH.D. is a psychologist with a practice address in Chula Vista, California, and NPI 1548306269, issued on Jan 29, 2007. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1548306269
Name
John Hessler
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
Practice location
815 3RD Ave, Chula Vista, CA 91911
Phone
(619) 426-1555
Enumerated
Jan 29, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 815 3RD Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Silvia Barragan, LCSWClinical Social Worker1881872653
  2. Lloyd Beckwith, PH.D.Clinical Psychologist1215003538
  3. Andrew Cooper, PH.D.Clinical Psychologist1003039843
  4. Jesus Corrales, MFTMarriage & Family Therapist1245389212
  5. Mauricio Cruz Y CelisMarriage & Family Therapist1811978612
  6. Marysol Fuentes-West, MA, MFTMarriage & Family Therapist1285770941

Verify John Hessler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Psychologist providers in California

There are 7,178 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,178 in California → Every provider in Chula Vista →

Other psychologist records in California

  1. Toni AbadFountain Valley, CA1518633106
  2. Alice Abarbanel, PH.D.Albany, CA1598095002
  3. Michael Abbott, PSYDModesto, CA1346498151
  4. Jenna Abell, PSYDLos Angeles, CA1073743969
  5. Tseday Aberra, PSY.D.Corona, CA1104026517
  6. Elham Abouhamzeh, PSY.DIrvine, CA1386092880
  7. Carine AbouseifSalinas, CA1760832224
  8. Mackenzie Abraham, PHDRedondo Beach, CA1881053833
  9. Twylla Abrahamson, PH.D.Auburn, CA1700815875
  10. Samantha Abram, BASan Francisco, CA1326540436

Common questions

What is John Hessler, PH.D.'s NPI number?

John Hessler, PH.D.'s National Provider Identifier (NPI) is 1548306269, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Hessler, PH.D. located?

The NPPES record lists a practice address at 815 3RD Ave, Chula Vista, CA, 91911. Phone: (619) 426-1555. Providers update this record themselves, so call before visiting.

How can I verify John Hessler, PH.D.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.