Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. Clay Demattei xhas an overall rating of 5.0.


Dr. Clay Demattei, MD is a Doctor primarily located in Marion, IL, with another office in Marion, IL. He has 34 years of experience. His specialties include General Surgery. Dr. Demattei is affiliated with Heartland Regional Medical Center. He speaks English.

Nearby Doctors

Dr. Clay Demattei, MD is similar to these 3 Doctors near Marion, IL.


Dr. Keith Thomae

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Dr. Lorraine Choi

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Locations & Directions

Heartland Surgery

3402 Office Park Dr
Marion, IL 62959

Marion Diagnostic Center LLC

3003 Civic Circle Blvd
Marion, IL 62959

Specialties & Expertise

Dr. Clay Demattei has the following 2 areas of expertise and 1 specialty:

  • General Surgery


  • Laparoscopic Surgery (Laparoscopy)


  • Surgery


  • Languages

    • English


Loyola University Chicago Stritch School Of Medicine, 1981


Marshall University School Of Medicine

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