1. Home
  2. Directory
  3. Missouri
  4. Ellisville
  5. Psychologist
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK ANTHONY COOK PHD
NPI 1841277894
Psychologist - Clinical in Ellisville, MO

Active since December 29, 2005
172 CLARKSON EXECUTIVE PARK, ELLISVILLE, MO 63011(636) 230-3113(636) 230-3044 Get Directions Write a Review

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

About Dr. Mark Anthony Cook Phd NPPES

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

DR. MARK ANTHONY COOK PHD (NPI 1841277894) is an individual clinical provider in Ellisville, Missouri, licensed in Missouri (01227) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1841277894
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARK ANTHONY COOKCredential: PHD
Location Address172 CLARKSON EXECUTIVE PARKEllisville, MO 63011-2114
Mailing Address172 Clarkson Executive ParkEllisville, MO 63011-2114 · (636) 230-3113 · Fax (636) 230-3044
Phone(636) 230-3113
Fax(636) 230-3044
Sole ProprietorNo
Enumeration DateDecember 29, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1841277894 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in MO · 01227
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
172 CLARKSON EXECUTIVE PARK, Ellisville, MO 63011
Open in Google Maps ↗

Other Identifiers 3

Other5018Blue Cross Blue Shield Mo
Other431466627C00Mercy Unity Health Plan
Other115397Healthlink Ppo

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 Mark Cook's NPI number?

The NPI number for Mark Cook is 1841277894. It was assigned to this individual provider in the NPPES registry on December 29, 2005.

Where is Mark Cook located?

Mark Cook practices at 172 Clarkson Executive Park, Ellisville, MO 63011. The listed phone number is (636) 230-3113.

What is Mark Cook's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Mark Cook 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 24 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.