DR. WILLIAM J MARKS PH.D.
NPI 1659650232
Psychologist in Honolulu, HI

Active since August 12, 2011
1441 KAPIOLANI BLVD, HONOLULU, HI 96814(808) 432-7600 Get Directions Write a Review

NPPES record last updated: June 1, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William J Marks Ph.d. NPPES

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

DR. WILLIAM J MARKS PH.D. (NPI 1659650232) is an individual psychologist in Honolulu, Hawaii, licensed in Hawaii (PSY 1266) and active in the NPI registry since August 2011. He maintains a secondary practice location in Honolulu.

NPPES Registry Identity

NPI1659650232
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. WILLIAM J MARKSCredential: PH.D.
Location Address1441 KAPIOLANI BLVDHonolulu, HI 96814-4402
Mailing Address1441 Kapiolani BlvdHonolulu, HI 96814-4402 · (808) 432-7600
Sole ProprietorNo
Enumeration DateAugust 12, 2011
Last NPPES UpdateJune 1, 2021
NPPES CertifiedJune 1, 2021
NPI 1659650232 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 HI · PSY 1266
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.
1441 KAPIOLANI BLVD, Honolulu, HI 96814

Secondary Practice Location 1

Location 11314 S King St Ste 864Honolulu, HI 96814-1943 · Phone (808) 596-8899 · Fax (808) 596-8899

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.

Preferred Provider Organization
1441 KAPIOLANI BLVD, SUITE 722
HONOLULU, HI 96814
Dentist (General Practice)
1441 KAPIOLANI BLVD, 1016
HONOLULU, HI 96814
Dentist (Pediatric Dentistry)
1441 KAPIOLANI BLVD, SUITE 617
HONOLULU, HI 96814
Nurse Practitioner (Family)
1441 KAPIOLANI BLVD, SUITE 2000
HONOLULU, HI 96814
Dentist (General Practice)
1441 KAPIOLANI BLVD, SUITE 1304
HONALULU, HI 96814
Physical Therapist
1441 KAPIOLANI BLVD, SUITE 1113
HONOLULU, HI 96814
Internal Medicine (Cardiovascular Disease)
1441 KAPIOLANI BLVD, SUITE 610
HONOLULU, FL 96814
Dentist
1441 KAPIOLANI BLVD, #917
HONOLULU, HI 96814

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 William Marks's NPI number?

The NPI number for William Marks is 1659650232. It was assigned to this individual provider in the NPPES registry on August 12, 2011.

Where is William Marks located?

William Marks practices at 1441 Kapiolani Blvd, Honolulu, HI 96814. The listed phone number is (808) 432-7600.

What is William Marks'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 William Marks was last updated on June 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.