DR. ERIKA OAK PSY.D
NPI 1659730448
Psychologist in Ho Ho Kus, NJ

Active since February 22, 2016
312 WARREN AVE STE 2, HO HO KUS, NJ 07423(201) 961-3092 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 11, 2026, Apr 15, 2024, Feb 22, 2016 (3 updates tracked since 2016).

About Dr. Erika Oak Psy.d NPPES

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

DR. ERIKA OAK PSY.D (NPI 1659730448) is an individual psychologist in Ho Ho Kus, New Jersey, licensed in New Jersey (5556) and active in the NPI registry since February 2016.

NPPES Registry Identity

NPI1659730448
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. ERIKA OAKCredential: PSY.D
Location Address312 WARREN AVE STE 2Ho Ho Kus, NJ 07423-1563
Mailing Address149 Blauvelt AveHo Ho Kus, NJ 07423-1011 · (201) 961-3092
Sole ProprietorYes
Enumeration DateFebruary 22, 2016
Last NPPES UpdateMarch 11, 20263 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
NPI 1659730448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Licenses Licensed in NJ · 5556 Licensed in PA · PS019777
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.
Also ListedPsychologist · SchoolTaxonomy 103TS0200X · License 692207 (NJ)
312 WARREN AVE STE 2, Ho Ho Kus, NJ 07423

Accepted Insurance

Other Providers at the Same Location NPPES

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

Social Worker (Clinical)
312 WARREN AVE STE 2
HO HO KUS, NJ 07423

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 Erika Oak's NPI number?

The NPI number for Erika Oak is 1659730448. It was assigned to this individual provider in the NPPES registry on February 22, 2016.

Where is Erika Oak located?

Erika Oak practices at 312 Warren Ave Ste 2, Ho Ho Kus, NJ 07423. The listed phone number is (201) 961-3092.

What is Erika Oak's specialty?

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

What insurance does Erika Oak accept?

Health plans from Providence Health Plan list Erika Oak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Erika Oak was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.