Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MS. KATHY WHAN-MARKO PHD
NPI 1093780389
Psychologist in Willoughby, OH

Active since February 21, 2006
3951 ERIE ST, #208, WILLOUGHBY, OH 44094(440) 918-1540 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Kathy Whan-marko Phd NPPES

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

MS. KATHY WHAN-MARKO PHD (NPI 1093780389) is an individual psychologist in Willoughby, Ohio, licensed in Ohio (5362) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1093780389
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMS. KATHY WHAN-MARKOCredential: PHD
Location Address3951 ERIE ST, #208Willoughby, OH 44094-7784
Mailing Address3951 Erie St, #208Willoughby, OH 44094-7784 · (440) 918-1540
Sole ProprietorNo
Enumeration DateFebruary 21, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1093780389 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 OH · 5362
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.
3951 ERIE ST, Willoughby, OH 44094

Other Names 1

Former Name (1)Ms. Kathy Whan

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 Kathy Whan-marko's NPI number?

The NPI number for Kathy Whan-marko is 1093780389. It was assigned to this individual provider in the NPPES registry on February 21, 2006. The provider is also known as Ms. Kathy Whan.

Where is Kathy Whan-marko located?

Kathy Whan-marko practices at 3951 Erie St #208, Willoughby, OH 44094. The listed phone number is (440) 918-1540.

What is Kathy Whan-marko'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 Kathy Whan-marko 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 23 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.