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 35 years of experience. His specialties include General Surgery. Dr. Demattei is affiliated with Marion Mem Hosp, Herrin Hosp, Herrin, Il and Herrin Hospital. He speaks English.


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Specialties & Expertise

Dr. Clay Demattei has the following 2 areas of expertise, 1 specialty and 1 board certification.

General Surgery

A surgical specialist is a physician who has additional training in a specific area of surgery.
The American Board of Medical Specialties acknowledges the following surgical specialties: general surgery, thoracic and cardiac surgery, colon and rectal surgery, obstetrics and gynecological surgery, neurological surgery, ophthalmic surgery, oral and maxillofacial surgery, orthopedic surgery, otolaryngological surgery, pediatric surgery, plastic surgery, urological surgery, and vascular surgery.
Some procedures are performed by more than one type of specialist. Also, some surgeons may choose to specialize in specific procedures within their specialty area. For example, a plastic and maxillofacial surgeon may specialize in performing rhinoplasty procedures.


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Board Certification

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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

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