Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DAVID RUHLAND PH.D.
NPI 1629023163
Psychologist in New York, NY

Active since May 23, 2006
423 E. 23RD SREET, NEW YORK, NY 10010(212) 686-7500 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. David Ruhland Ph.d. NPPES

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

DR. DAVID RUHLAND PH.D. (NPI 1629023163) is an individual psychologist in New York, New York, licensed in New York (7413) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1629023163
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. DAVID RUHLANDCredential: PH.D.
Location Address423 E. 23RD SREETNew York, NY 10010
Mailing Address105 W 13th StNew York, NY 10011-7845 · (212) 242-4874
Sole ProprietorNo
Enumeration DateMay 23, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1629023163 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 · 7413
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.
423 E. 23RD SREET, New York, NY 10010

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 David Ruhland's NPI number?

The NPI number for David Ruhland is 1629023163. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is David Ruhland located?

David Ruhland practices at 423 E. 23rd Sreet, New York, NY 10010. The listed phone number is (212) 686-7500.

What is David Ruhland'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 David Ruhland was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.