DR. JOHN LAWRENCE HESSLER PH.D.
NPI 1548306269
Psychologist in Chula Vista, CA

Active since January 29, 2007
815 3RD AVE, 107, CHULA VISTA, CA 91911(619) 426-1555(619) 426-1906 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. John Lawrence Hessler Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN LAWRENCE HESSLER PH.D. (NPI 1548306269) is an individual psychologist in Chula Vista, California, licensed in California (PSY 9643) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1548306269
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. JOHN LAWRENCE HESSLERCredential: PH.D.
Location Address815 3RD AVE, 107Chula Vista, CA 91911-1307
Mailing Address3329 2nd AveSan Diego, CA 92103-5611 · (619) 298-7488 · Fax (619) 298-7488
Fax(619) 426-1906
Sole ProprietorYes
Enumeration DateJanuary 29, 2007
Last NPPES UpdateJuly 9, 2007
NPI 1548306269 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · PSY 9643
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
815 3RD AVE, Chula Vista, CA 91911

Other Identifiers 2

MedicaidPW0096430CA
Medicare ID-Type UnspecifiedCP9643CA · Cms

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist (Clinical)
815 3RD AVE, SUITE 107
CHULA VISTA, CA 91911
Psychologist (Clinical)
815 3RD AVE, SUITE 307
CHULA VISTA, CA 91911
Psychologist (Clinical)
815 3RD AVE
CHULA VISTA, CA 91911
Marriage & Family Therapist
815 3RD AVE, SUITE 214
CHULA VISTA, CA 91911
Marriage & Family Therapist
815 3RD AVE, #319
CHULA VISTA, CA 91911
Marriage & Family Therapist
815 3RD AVE, SUITE #107
CHULA VISTA, CA 91911
Marriage & Family Therapist
815 3RD AVE, #319
CHULA VISTA, CA 91911
Psychologist (Clinical)
815 3RD AVE, SUITE 107
CHULA VISTA, CA 91911

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Hessler's NPI number?

The NPI number for John Hessler is 1548306269. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Where is John Hessler located?

John Hessler practices at 815 3rd Ave 107, Chula Vista, CA 91911. The listed phone number is (619) 426-1555.

What is John Hessler's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for John Hessler was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.