Dr. William P Tillis MD is a male Internist, has 24 years of experience and practices in Critical Care Medicine and Pulmonary Disease.
Video profile
Dr. William Tillis has 10 office locations.
Illinois Lung & Critical Care Institute
1001 Main St
Ste 200
Peoria, IL 61606

Phone Number
Locations and availability (10)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. William Tillis, MD is board certified in Critical Care Medicine and Pulmonary Disease.

  • He has special expertise in 6 areas:
  • Asthma
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Clinical Research
  • Critical Care
  • Lung Cancer
  • Sepsis (Blood Poisoning)

Education & Awards

Dr. Tillis graduated from University of Illinois at Chicago.


Dr. Tillis has 11 hospital affiliations:

  • Osf Saint Francis Medical Center 
  • Mendota Community Hospital 

Accepted Insurance Plans

Dr. Tillis accepts these health insurances in at least one office:

  • Aetna - 2 plans
  • United Healthcare - 2 plans
  • Great-West Healthcare - 2 plans
  • Blue Cross Blue Shield of Illinois - 2 plans
  • Humana - 2 plans
  • Cigna - 3 plans
  • USA H & W Network - 1 plan

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Additional Information
Where does Dr. William P. Tillis practice?
Dr. William Tillis practices Critical Care Medicine and Pulmonary Disease near Peoria, IL.
Additional practice locations include: Bloomington, IL and Peru, IL.
See Peoria Critical Care Practitioners and Peoria Pulmonologists.