MS. SUSAN HAZLETT RYF PSY.D.
NPI 1316166879
Psychologist in New York, NY

Active since April 24, 2007
51 E 42ND ST, SUITE 820, NEW YORK, NY 10017(917) 841-3201(203) 406-0260 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Susan Hazlett Ryf Psy.d. NPPES

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

MS. SUSAN HAZLETT RYF PSY.D. (NPI 1316166879) is an individual psychologist in New York, New York, licensed in New York (013498-1) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1316166879
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMS. SUSAN HAZLETT RYFCredential: PSY.D.
Location Address51 E 42ND ST, SUITE 820New York, NY 10017-5404
Mailing Address21 Revonah AveStamford, CT 06905-4006 · (917) 841-3201 · Fax (203) 406-0260
Fax(203) 406-0260
Sole ProprietorYes
Enumeration DateApril 24, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1316166879 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Licenses Licensed in NY · 013498-1 Licensed in CT · 002431
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.
51 E 42ND ST, New York, NY 10017

Other Identifiers 1

Medicare ID-Type UnspecifiedVL9111NY

Other Providers at the Same Location NPPES 15

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

Psychiatry & Neurology (Psychiatry)
51 E 42ND ST, 1208
NEW YORK, NY 10017
Physical Therapist
51 E 42ND ST, SUITE 1808
NEW YORK, NY 10017
Social Worker (Clinical)
51 E 42ND ST, SUITE 606
NEW YORK, NY 10017
Dentist (General Practice)
51 E 42ND ST
NEW YORK, NY 10017
Psychologist (Clinical)
51 E 42ND ST, SUITE 820
NEW YORK, NY 10017
Community/Behavioral Health
51 E 42ND ST, SUITE 707
NEW YORK, NY 10017
Dietitian, Registered
51 E 42ND ST, SUITE 621
NEW YORK, NY 10017
Acupuncturist
51 E 42ND ST, SUITE 402
NEW YORK, NY 10017

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 Susan Ryf's NPI number?

The NPI number for Susan Ryf is 1316166879. It was assigned to this individual provider in the NPPES registry on April 24, 2007.

Where is Susan Ryf located?

Susan Ryf practices at 51 E 42nd St Suite 820, New York, NY 10017. The listed phone number is (917) 841-3201.

What is Susan Ryf'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 Susan Ryf was last updated on July 8, 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.