MARY TODD WILLIAMSON PHD
NPI 1821041021
Psychologist - Clinical in Columbia, MO

Active since May 18, 2006
3217 S PROVIDENCE RD, COLUMBIA, MO 65203(573) 884-7733(573) 884-5559 Get Directions Write a Review

NPPES record last updated: September 25, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mary Todd Williamson Phd NPPES

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

MARY TODD WILLIAMSON PHD (NPI 1821041021) is an individual clinical provider in Columbia, Missouri, licensed in Missouri (PY01775) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1821041021
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameMARY TODD WILLIAMSONCredential: PHD
Location Address3217 S PROVIDENCE RDColumbia, MO 65203-3639
Mailing AddressPo Box 7687Columbia, MO 65205-7687 · (573) 882-2259
Fax(573) 884-5559
Sole ProprietorNo
Enumeration DateMay 18, 2006
Last NPPES UpdateSeptember 25, 2008
NPI 1821041021 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 · PY01775
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.

3217 S PROVIDENCE RD, Columbia, MO 65203

Other Identifiers 6

Medicare PIN223425236MO
Medicare PIN000070671MO
Other680007308MO · Rr Medicare
Medicare UPINS28361
OtherP00415787MO · Railroad Medicare
Medicaid498143601MO

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.

Family Medicine
3217 S PROVIDENCE RD
COLUMBIA, MO 65203
Nurse Practitioner
3217 S PROVIDENCE RD
COLUMBIA, MO 65203
Family Medicine
3217 S PROVIDENCE RD
COLUMBIA, MO 65203
Family Medicine
3217 S PROVIDENCE RD
COLUMBIA, MO 65203
Family Medicine
3217 S PROVIDENCE RD
COLUMBIA, MO 65203
Pediatrics
3217 S PROVIDENCE RD
COLUMBIA, MO 65203
Family Medicine
3217 S PROVIDENCE RD
COLUMBIA, MO 65203
Family Medicine
3217 S PROVIDENCE RD
COLUMBIA, MO 65203

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 Mary Williamson's NPI number?

The NPI number for Mary Williamson is 1821041021. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Mary Williamson located?

Mary Williamson practices at 3217 S Providence Rd, Columbia, MO 65203. The listed phone number is (573) 884-7733.

What is Mary Williamson'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 Mary Williamson was last updated on September 25, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.