Call our office directly at 309-691-5200
No call centers!



Penelope A. Ewbank, MD

  • Board Certified, American Board of Allergy and Immunology
  • Member, American Academy of Allergy, Asthma, and Immunology
  • Member, American College of Allergy, Asthma, and Immunology
  • Assistant Clinical Professor of Medicine – University of Illinois College of Medicine, Peoria, Illinois
  • Fellowship Allergy, Asthma, and Immunology – National Jewish Medical and Research Center, Denver, Colorado (Ranked #1 in country for respiratory care for over 15 years by U.S. News and World Report)
  • Internal Medicine Residency – Barnes Hospital / Washington University, St. Louis, Missouri
  • Medical Doctorate – Washington University School of Medicine, St. Louis Missouri
  • Bachelor of Science, Biology – Olivet Nazarene University, Kankakee, Illinois



Stephen J. Smart, MD, FAC


  • Fellowship: Allergy & Immunology, University of Iowa, 1991-93
  • Residency: Internal Medicine, Barnes Hospital; Washington University, 1988-91
  • MD, Washington University School of Medicine,
    St. Louis, 1988
  • BS Chemical Engineering, Washington University School of Engineering & Applied Science, 1984


  • Associate Professor of Clinical Medicine, UICOMP; 1997-present
  • Assistant Professor of Medicine, USUHS; 1993-96t
  • Chief, Allergy Section, St. Francis Medical Center, Peoria; 2000-present


  • Wilford Hall USAF Medical Center; 1993-96; Allergy Clinic Director

Professional Positions

  • Past-President Peoria Medical Society
  • Delegate, Illinois State Medical Society
  • Associate Professor of Clinical Medicine, UICOMP; 1997-present
  • Fellow, American College of Physicians
  • Fellow, American Academy of Allergy, Asthma & Immunology
  • Fellow, American College of Allergy, Asthma & Immunology

Main Office


6615 N. Big Hollow Road Peoria, Illinois 61615

Ph: 309-691-5200

Fax: 309-691-5201

Driving Directions

Satellite Locations

Princeton Office

Perry Memorial Hospital 530 Park Avenue East, Suite 409 Princeton, Illinois

Driving Directions

Macomb Office

Medical Arts Building 527 E. Grant Street Macomb, Illinois
Driving Directions

Pekin Office

2355 Broadway Pekin, Illinois
Driving Directions

OSF Medical Group Building
(across from Parkview Golf Course)

Current Office Policy in light of Covid-19 Precautions

Now offering Telemedicine Appointments for Routine Follow ups.  Please call 309-691-5200

  • If you have a fever or other flu-like symptoms, call your PCP. We are unable to provide the necessary testing and treatment.
  • Only healthy patients are asked to come for their routine appointments
  • Routine allergy follow-up appointments can be seen or rescheduled at patient preference.
  • Asthma appointments should still be kept.
  • We are allowing allergy shot patients to wait in their cars (if they prefer) after injections as long as they have their Epipen or AuviQ and wait 30 minutes.

Read more about COVID-19 here