4.4
8 Ratings with 3 written Reviews
Summary
Dr. David Onsager is a thoracic surgeon who specializes in complex heart and chest procedures. He earned his medical degree from Rush Medical College of Rush University Medical Center and brings 38 years of dedicated experience to his practice. Dr. Onsager speaks English and focuses his expertise on conditions affecting the heart and thoracic cavity.
Dr. Onsager practices at The University of Chicago Medicine and holds affiliations with several prominent medical centers, including The Methodist Hospitals Northlake Campus, Methodist Hospitals Southlake Campus, and University of Chicago Medicine Comer Children's Hospital Hyde Park in Chicago, Illinois. He treats patients with heart failure and coronary artery disease, including specialized care for women with heart conditions. His surgical expertise includes coronary artery bypass procedures, and he also provides cardiac rehabilitation services to help patients recover and strengthen their hearts. Patients rate Dr. Onsager 4.4 out of 5 …stars on Vitals.
Read More Read less Dr. Onsager practices at The University of Chicago Medicine and holds affiliations with several prominent medical centers, including The Methodist Hospitals Northlake Campus, Methodist Hospitals Southlake Campus, and University of Chicago Medicine Comer Children's Hospital Hyde Park in Chicago, Illinois. He treats patients with heart failure and coronary artery disease, including specialized care for women with heart conditions. His surgical expertise includes coronary artery bypass procedures, and he also provides cardiac rehabilitation services to help patients recover and strengthen their hearts. Patients rate Dr. Onsager 4.4 out of 5 …stars on Vitals.
Overview based on verified provider data
Quick Facts
- 38 years of experience
- speaks English
- Rush Medical College Of Rush University Medical Center
- 3 written reviews
- 3 specialties
- 8 areas of expertise
- 3 board certifications
- 5 hospital affiliations
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. David Ralph Onsager has 2 locationsThe University Of Chicago Medical Center Duchossois Center For Advanced Medicine
5758 S Maryland AveChicago, IL 60637Mon7:30 am - 6:00 pm
Tue7:30 am - 6:00 pm
Wed7:30 am - 6:00 pm
Thu7:30 am - 6:00 pm
Fri7:30 am - 6:00 pm
Sat7:30 am - 6:00 pm
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. David Ralph Onsager, MD | Dr. Di Fan, MD | Dr. Pranya Sakiyalak | Dr. Jung Un Choi |
| Thoracic Surgery | Thoracic Surgery | Thoracic Surgery | Surgery |
| Accepts New Patients | Accepts New Patients | ||
| 38 Years of Experience | 43 Years of Experience | 35 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks Spanish, Russian | ||
| Chicago , IL | Chicago , IL | Maywood , IL | Chicago , IL |
| Med School: Rush Medical College Of Rush University Medical Center | Med School: China Medical University | Med School: Siriraj Hospital Faculty Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. David Ralph Onsager
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. David Ralph Onsager has the following 3 specialties
Specialty Expertise
Dr. David Ralph Onsager has the following 8 areas of expertise
Certifications, License, & Education
38 Years Experience
Dr. David Ralph Onsager holds an active medical license in the state of Illinois.
Medical License
Medical Doctor with an active medical license in the state of Illinois that expires in 2026.
Education & Training
Medical School
Graduated from Rush Medical College Of Rush University Medical Center in 1988.
NPI Number
Dr. Onsager's NPI number is 1396829156.
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Frequently Asked Questions
- Does Dr. David Onsager accept virtual/telehealth appointments?
- Dr. David Onsager has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Is Dr. David Onsager accepting new patients?
- Dr. David Onsager has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- What languages does Dr. David Onsager speak?
- Dr. David Onsager speaks English.
- Does Dr. David Onsager accept my insurance?
- You can see the insurance plans that Dr. David Onsager accepts on their Vitals profile.
- Which hospitals is Dr. David Onsager affiliated with?
- Dr. David Onsager is affiliated with The University Of Chicago Medicine, The Methodist Hospitals Northlake Campus, Methodist Hospitals Southlake Campus, Uchicago Medicine Comer Childrens Hospital Hyde Park, and The Center For Care And Discovery.
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