DR. RAND GRUEN PH.D.
NPI 1558792580
Psychologist in Purchase, NY

Active since December 02, 2013Opted out of Medicare · through Oct 25, 2027
2975 WESTCHESTER AVE, SUITE 308, PURCHASE, NY 10577(914) 358-9924 Get Directions Write a Review

NPPES record last updated: December 2, 2013. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Dr. Rand Gruen Ph.d. NPPES

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

DR. RAND GRUEN PH.D. (NPI 1558792580) is an individual psychologist in Purchase, New York, licensed in New York (010021-1) and active in the NPI registry since December 2013. He has opted out of Medicare through October 25, 2027.

NPPES Registry Identity

NPI1558792580
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. RAND GRUENCredential: PH.D.
Location Address2975 WESTCHESTER AVE, SUITE 308Purchase, NY 10577-2518
Mailing Address2975 Westchester Ave, Suite 308Purchase, NY 10577-2518 · (914) 358-9924
Sole ProprietorYes
Enumeration DateDecember 2, 2013
NPI 1558792580 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 NY · 010021-1
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.
2975 WESTCHESTER AVE, Purchase, NY 10577

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Dr. Rand Gruen Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 25, 2025 through October 25, 2027.

Opt-Out Effective DateOctober 25, 2025
Opt-Out In Effect ThroughOctober 25, 2027Opt-out affidavits renew automatically every two years unless cancelled

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.

Speech-Language Pathologist
2975 WESTCHESTER AVE, SUITE 202
PURCHASE, NY 10577
Dentist (Oral and Maxillofacial Surgery)
2975 WESTCHESTER AVE
PURCHASE, NY 10577
Occupational Therapist
2975 WESTCHESTER AVE
PURCHASE, NY 10577
Occupational Therapy Assistant
2975 WESTCHESTER AVE, SUITE 202
PURCHASE, NY 10577
Psychologist (Clinical Child & Adolescent)
2975 WESTCHESTER AVE
PURCHASE, NY 10577
Audiologist
2975 WESTCHESTER AVE, SUITE 202
PURCHASE, NY 10577
Social Worker (Clinical)
2975 WESTCHESTER AVE
PURCHASE, NY 10577
Social Worker (Clinical)
2975 WESTCHESTER AVE, STE G3
PURCHASE, NY 10577

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 Rand Gruen's NPI number?

The NPI number for Rand Gruen is 1558792580. It was assigned to this individual provider in the NPPES registry on December 2, 2013.

Where is Rand Gruen located?

Rand Gruen practices at 2975 Westchester Ave Suite 308, Purchase, NY 10577. The listed phone number is (914) 358-9924.

What is Rand Gruen's specialty?

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

Is Rand Gruen enrolled in Medicare?

No. Rand Gruen has opted out of Medicare through October 25, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Rand Gruen was last updated on December 2, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.