Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1245167923 Individual Practitioner Female Practitioner

Marial Williams

Occupational Therapist • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Marial Williams is a certified Occupational Therapist practicing in Chicago, IL. With approximately 5 years of clinical experience since completing medical education in 2021, Marial Williams delivers high-quality medical care to the local community at 700 W FULLERTON AVE.

Marial Williams does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

700 W Fullerton Ave

Chicago, IL 606142600

Telephone 7733641723

Medicare Profile & Education

Medical School

Other

Graduation Year

2021

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Occupational Therapist in Chicago, IL

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
5 Yrs -8.7 yrs vs City Avg
City Avg: 13.7 Yrs
State Avg: 15.8 Yrs
Regional Practice Density
1282 Specialists

Practicing in Chicago, IL (5917 Statewide)

Telehealth Adoption Rate
0.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (5 Years) 5 Yrs
Chicago Specialty Average (13.7 Years) 13.7 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-05-06
Occupational Therapist Primary Specialty

NUCC Taxonomy Code: 225X00000X

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
Mark Nuico , PT

Physical Therapist

NPI 1629204839

Physical Therapist

Dr. Abby Lopata , PT, DPT

Physical Therapist

NPI 1942817390

Physical Therapist, Doctor of Physical Therapy

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active May 06, 2026

NPI status registered as active in NPPES database

📍
Updated Practice Location May 06, 2026

Registered at 700 W FULLERTON AVE, CHICAGO, IL 606142600 (Tel: 7733641723)

📍
Updated Business Mailing Address May 06, 2026

Registered at 101 NILES AVE, LAKE FOREST, IL 600452950 (Tel: 2243837435)

👤
Provider Name / Credentials Updated May 06, 2026

Recorded as MARIAL WILLIAMS

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 06, 2026

Occupational Therapist

🟢
Initial NPI Registration & Enumeration May 06, 2026

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1245167923
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 06, 2026
Last Update: May 06, 2026
Sole Proprietor: No

Mailing Address

101 Niles Ave

Lake Forest, IL 600452950

Phone: 2243837435

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.