Dr. Trey Dejuan Williams , MD
Emergency Medicine • Chicago, IL
Professional Overview & Biography Verified Profile Summary
Dr. Trey Williams, MD is a registered healthcare professional specializing in Emergency Medicine in Chicago, IL. Practice services are available at 5841 S MARYLAND AVE # MC5068 under active NPI credentials.
Practice Location & Contact Primary Location
5841 S Maryland Ave # Mc5068
Chicago, IL 606371443
Specialty Benchmarks & Practice Insights
Comparative analytics for Emergency Medicine in Chicago, IL
Practicing in Chicago, IL (3389 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-07-21NUCC Taxonomy Code: 207P00000X
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Emergency Medicine
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
MSNFNP
Emergency Medicine
Doctor of Medicine (M.D.)
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Emergency Medicine
Doctor of Medicine (M.D.)
Emergency Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 150 HARVESTER DR STE 300, BURR RIDGE, IL 605275965
Emergency Medicine (License #036178677 in IL)
Registered at 5841 S MARYLAND AVE # MC5068, CHICAGO, IL 606371443 (Tel: 7737026250)
Registered at 180 HARVESTER DR STE 110, BURR RIDGE, IL 605276686 (Tel: 7737021150)
Recorded as TREY WILLIAMS, MD
NPI status registered as active in NPPES database
Registered at 519 BROOKLAND BLVD, LANSING, MI 489103403 (Tel: 5178963453)
Registered at 519 BROOKLAND BLVD, LANSING, MI 489103403 (Tel: 5178963453)
Recorded as TREY WILLIAMS
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
150 Harvester Dr Ste 300
Burr Ridge, IL 605275965
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.