


Dr. Joseph Onah, MD
Dr. Joseph Onah, MD is a clinical cardiology specialist in Brooklyn, NY and has over 55 years of experience in the medical field. He graduated from UNIVERSITY OF ROMA-LA SAPIENZA / FACULTY OF MEDICINE AND SURGERY in 1967. He is affiliated with Maimonides Medical Center. He is accepting new patients.
Maimonides Doctors Multispecialty Pavilion
4813 9th Ave Brooklyn, NY 11220Compare with other Clinical Cardiology Specialists
Compare Dr. Onah with our nearby Clinical Cardiology Specialists at Staten Island University Hospital.
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Dr. Onah's Reviews
Likelihood to recommend Dr. Onah
3.9
5 Star | 71% | 71% |
4 Star | 0% | 0% |
3 Star | 0% | 0% |
2 Star | 0% | 0% |
1 Star | 29% | 29% |
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How was your experience with Dr. Onah?Overall Patient Satisfaction
Likelihood of recommending Dr. Onah to family and friends is 3.857143 out of 5
About Me
biography
Dr. Joseph Onah, MD is a clinical cardiology specialist in Brooklyn, NY and has over 55 years of experience in the medical field. He graduated from UNIVERSITY OF ROMA-LA SAPIENZA / FACULTY OF MEDICINE AND SURGERY in 1967. He is affiliated with Maimonides Medical Center. He is accepting new patients.Clinical Cardiology
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Maimonides Medical Center
Fellowship Hospital, 1975Berkshire Medical Center|graduate Hospital|university Rome
Residency Hospital, 1972Berkshire Medical Center
Internship Hospital, 1971University Of Roma-la Sapienza / Faculty Of Medicine And Surgery
Medical School, 1967
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Locations
Maimonides Doctors Multispecialty Pavilion
Joseph E Onah MD PC
Maimonides Medical Center
Affiliated Hospitals
- Recipient of 13
hospital awardsSurgical Care Excellence Award™ (2025)
Superior clinical outcomes in heart bypass surgery and heart valve surgery
View all awardsAmerica’s 50 Best Hospitals for Cardiac Surgery Award™ (2023)
Superior clinical outcomes in heart bypass surgery and heart valve surgery
View all patient feedbackHow patients felt about the care they received at this hospital.
75%Patients said they were given information about recovering at home9% lower than the national average
67%Patients said that doctors always listened to them and explained things well9% lower than the national average
Compare with other Clinical Cardiology Specialists
Compare Dr. Onah with our nearby Clinical Cardiology Specialists at Staten Island University Hospital.
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