Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William T O'Rourke, MD

Individual provider Internal Medicine Physician · NPI 1013013119

William T O'Rourke, MD is an Internal Medicine in Lombard, Illinois. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1995, 31 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
31
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IL
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

454 E Roosevelt Rd
Lombard, IL 60148-4630
Phone: (630) 387-6424
Fax: (630) 387-6425
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 172 E Schiller St, Elmhurst, IL 60126 — (331) 221-0000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036096382 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 36-096382 (IL)

Record details

NPI number1013013119
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 15, 2006
Last updated in NPPESJuly 28, 2025
Certification dateJuly 28, 2025
Mailing address29373 Network Pl, Chicago, IL 60673-1293

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations9 on file with Medicare

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