MARIAL WILLIAMS
NPI 1245167923
Occupational Therapist in Chicago, IL

Active since May 06, 2026
700 W FULLERTON AVE, CHICAGO, IL 60614(773) 364-1723 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Marial Williams NPPES

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

MARIAL WILLIAMS (NPI 1245167923) is an individual occupational therapist in Chicago, Illinois and active in the NPI registry since May 2026. She is a graduate of Other (2021).

NPPES Registry Identity

NPI1245167923
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameMARIAL WILLIAMS
Location Address700 W FULLERTON AVEChicago, IL 60614-2600
Mailing Address101 Niles AveLake Forest, IL 60045-2950 · (224) 383-7435
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMay 6, 2026
NPPES CertifiedMay 6, 2026
NPI 1245167923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
700 W FULLERTON AVE, Chicago, IL 60614

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Marial Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9739658675
PECOS Enrollment IDI20260520000878

Other Providers at the Same Location NPPES 4

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

Speech-Language Pathologist
700 W FULLERTON AVE
CHICAGO, IL 60614
Physical Therapist
700 W FULLERTON AVE
CHICAGO, IL 60614
Physical Therapy Assistant
700 W FULLERTON AVE
CHICAGO, IL 60614
Physical Therapist
700 W FULLERTON AVE
CHICAGO, IL 60614

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 Marial Williams's NPI number?

The NPI number for Marial Williams is 1245167923. It was assigned to this individual provider in the NPPES registry on May 6, 2026.

Where is Marial Williams located?

Marial Williams practices at 700 W Fullerton Ave, Chicago, IL 60614. The listed phone number is (773) 364-1723.

What is Marial Williams's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Marial Williams enrolled in Medicare?

Yes. Marial Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marial Williams was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.