OVERVIEW

Dr. Onsager received his bachelor’s degree in Bio chemistry, History and Sociology of Science from the University of Pennsylvania. He completed medical school at Rush Medical College and a general Surgery Residency at the Medical College of Wisconsin Affiliated Hospitals. He completed Fellowship training in cardiothoracic surgery at the University of Wisconsin Hospital and Clinics where he also ... 
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EDUCATION AND TRAINING

Medical School
Rush Medical College Of Rush University Medical Center
Graduated 1988

RATINGS AND REVIEWS

OVERALL RATING
PHYSICIAN RATING
Explains conditions and treatments
Takes time to answer my questions
Provides follow-up as needed
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OFFICE LOCATION RATING
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5841 S Maryland Ave, Chicago, IL, 60637
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University Of Chicago Medicine
5841 S Maryland Ave
Chicago, IL, 60637

INSURANCE PLANS ACCEPTED (35)

Please verify insurance information directly with your doctor’s office as it may change frequently.
  • Coventry Health and Life IL PPO
  • Coventry IL PPO
  • Sagamore Plus
  • Coventry MO HMO POS
  • CIGNA HMO
  • HealthLink PPO
  • UHC Navigate HMO
  • PHCS PPO
  • UHC Compass HMO
  • Multiplan PPO
  • UHC Navigate POS
  • BCBS Blue Card PPO
  • Anthem Blue Access PPO
  • CIGNA PPO
  • First Health PPO
  • UHC Choice Plus POS
  • BCBS IL PPO
  • Coventry MO PPO
  • Coventry PPO Platinum
  • CIGNA Open Access Plus
  • UHC Options PPO
  • Humana ChoiceCare Network PPO
  • Aetna Choice POS II
  • Aetna HMO
  • Anthem Blue Preferred HMO
  • Aetna Managed Choice POS Open Access
  • Anthem Blue Preferred Plus POS
  • Health Alliance PPO
  • CIGNA LocalPlus
  • Humana Choice POS
  • Ambetter Superior Health Plan
  • CareSource Indiana
  • HealthSync Options POS
  • MEDICA CHOICE WITH UNITEDHEALTHC
  • UHC NAVIGATE PLUS POS

LOCATIONS

5841 S Maryland Ave
Chicago,IL,60637
Cardiothoracic And Vascular Surgical Associates
500 N Wall St Ste 100
Kankakee,IL,60901
  • Accepting New Patients
  • Medicare Accepted
  • Medicaid Accepted
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
  • Accepting New Patients
  • Medicare Accepted
  • Medicaid Accepted
8701 Broadway
Merrillville,IN,46410

HOSPITAL AFFILIATIONS

  • Riverside Medical Center
  • University Of Chicago Medicine

OTHER PROVIDERS AT THIS PRACTICE

TO
Thoracic Surgery
Dr. Eliza Diaconescu, MD
Anesthesiology, Pain Medicine