Constantine J Wonais, M.D.

Specialties: Internal Medicine

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Practice: Edward Medical Group

Hospital Affiliations: Edward Hospital

Clinical Interests: Arthritis; Cholesterol Management; COPD; Depression; Diabetes; Gastrointestinal Diseases; Geriatrics; Gout; High Blood Pressure

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Philosophy Of Care

Serving the residents of Monarch Landing. I treat my patients as I treat my family. I give the best advice I can and I wish them nothing but the best as far as their health is concerned.


2255 Monarch Dr
Naperville, IL 60563
Phone: 630 300-1125
Fax: 630 300 1394

Education & Credentials

Medical School: University of Athens, 1978

Internship: St. Francis Hospital of Evanston, 1980

Residency: St. Francis Hospital of Evanston, 1982

Society: Amer. Society for Int. Med.; American Medical Association; DuPage Co. AMA; Illinois State Medical Society; Naperville Physicians Assoc.

Language: English, Greek


Internal Medicine

Insurance Accepted

  • Medicare
  • Aetna VHA Partners PPO
  • Blue Cross Blue Shield PPO
  • Illinois Health Prtrs frmr NV Health Care Assoc
  • Great Lakes HMO
  • BEYOND BENEFITS (Health Star)
  • Highland Healthcare
  • John Alden
  • John Hancock PPO
  • Lincoln National PPO
  • Met Life
  • Private HealthCare /Multi Plan
  • Pru-Network PPO or HMO
  • Rush/Prudential PPO
  • Cappcare
  • Cigna Healthplan PPO
  • Dreyer HMO
  • Traveler's
  • United Healthcare PPO
  • Blue Choice PPO
  • Blue Medicare PFFS
  • Humana Choice PPO
  • Multi Plan
  • Blue Advantage PPO
  • United Healthcare HMO
  • Tricare (fmrly Champus)
  • Blue Advantage POS
  • Cigna Medicare Access
  • Great West HMO
  • Humana PPO
  • Humana HMO
  • Cigna HMO
  • Aetna EPO
  • Blue Advantage HMO
  • Aetna Open Access
  • PpoNEXT (formerly Healthstar)
  • Health Care Finest Network
  • Great West PPO
  • Beech Street PPO
  • Aetna HMO
  • Aetna POS
  • Aetna PPO
  • Coventry Health Care
  • CCN PPO/Coventry
  • Aetna Medicare Advantage
  • Humana Medicare Advantage
  • United Healthcare Medicare Advantage
  • Blue Cross Blue Shield Medicare Advantage


This provider is an employee of one of the Edward-Elmhurst Health System entities.