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Obstetrician & Gynecologist (OB/GYN)
31 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Mary Dean Onayemi:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Mary Dean Onayemi is Good. Dr. Dean Onayemi has been reviewed by 9 patients who have provided 1 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.8
Promptness 3.3
Courteous Staff 3.8
Accurate Diagnosis 3.2
Bedside Manner 3.7
Spends Time with Me 4.1
Follows Up After Visit 3.7

Specialties & Research

Dr. Mary Dean Onayemi, MD is board certified in Obstetrics & Gynecology.

  • She has special expertise in 2 areas:
  • Hot Flashes
  • Menopause

Education & Awards

Dr. Dean Onayemi graduated from University of Illinois at Chicago.


Dr. Dean Onayemi has 6 hospital affiliations:

  • Advocate Trinity Hospital 
  • MetroSouth Medical Center 


  • Spanish

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Additional Information
Dr. Mary A Dean Onayemi MD is a female Obstetrician & Gynecologist, has 31 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. Mary A. Dean Onayemi practice?
Dr. Mary Dean Onayemi has 7 office locations.
Dr. Mary Dean Onayemi practices Obstetrics & Gynecology near Chicago, IL.
Additional practice locations include: Dolton, IL and Blue Island, IL.
See Chicago Obstetricians & Gynecologists.