Summary

Dr. Mary Dean Onayemi treats pregnancy, antepartum depression, and vaginal bleeding after the first trimester in her obstetrics and gynecology practice. She also performs depression screening. With 46 years of experience, she sees patients at Chicago Family Health Center and Western Diversey Surgical Center in Chicago, Illinois, and is affiliated with Advocate Trinity Hospital. She earned her MD from the University of Illinois at Chicago College of Medicine and completed her residency at Cook County Hospital. Dr. Onayemi speaks English and Spanish. Patients on Vitals rate her 3.67 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.7
  • 46 years of experience
  • speaks English, Spanish
  • Cook County Hospital
  • 3 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Mary Ann Dean Onayemi has 2 locations

Chicago Family Health Center

9119 S Exchange AveChicago, IL 60617
Mon8:30 am - 8:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 8:00 pm
Thu8:30 am - 8:00 pm
Fri8:30 am - 5:00 pm
Sat8:30 am - 1:00 pm
SunClosed

Western Diversey Surgical Center

2744 N Western AveChicago, IL 60647
Mon8:00 am - 6:00 pm
Tue8:00 am - 6:00 pm
Wed8:00 am - 6:00 pm
Thu8:00 am - 6:00 pm
Fri8:00 am - 6:00 pm
Sat8:00 am - 3:00 pm
SunClosed

Compare with Similar Doctors

Dr. Mary Ann Dean Onayemi, MD
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Dr. Mary Ann Dean Onayemi, MDDr. Lyndon Douglas Taylor, MDDr. Marsha E Gorens, MDDr. Sherma St Fort Morton, MD
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
4 
4.2 
4.8 
46 Years of Experience 48 Years of Experience 46 Years of Experience 22 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option Virtual Visit Available
Speaks English, Spanish Speaks English, Spanish, Russian Speaks English, Spanish Speaks English
Chicago , ILOak Park , ILChicago , ILDurham , NC
Med School: University Of Illinois At Chicago College Of Medicine Med School: Universidad Autonoma De Guadalajara Facultad De Medicina Med School: University Of Illinois At Chicago College Of Medicine Med School: University of Florida College of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Mary Ann Dean Onayemi

  • Accepts Medicare

Medical Specialties

Dr. Mary Ann Dean Onayemi has the following specialty

Specialty Expertise

Dr. Mary Ann Dean Onayemi has the following 11 areas of expertise

  • Birth Control
  • C-section
  • Child Birth
  • Hot Flashes
  • Infertility
  • Menopause
  • Menstrual Pain
  • Pap Smear
  • Pelvic Exam
  • Pregnancy
  • Women's Health

Certifications, License, & Education

46 Years Experience

Dr. Mary Ann Dean Onayemi holds an expired medical license in the state of Illinois.

Medical License

Medical Doctor with an expired medical license in the state of Illinois that expired in 2026.

Education & Training

Residency

Completed their residency at Cook County Hospital.

Medical School

Graduated from University Of Illinois At Chicago College Of Medicine in 1980.

NPI Number

Dr. Dean Onayemi's NPI number is 1770518169.

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Frequently Asked Questions

Is Dr. Mary Dean Onayemi accepting new patients?
Dr. Mary Dean Onayemi is accepting new patients on Vitals. View Dr. Mary Dean Onayemi's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Mary Dean Onayemi?
You can find contact information for Dr. Mary Dean Onayemi here on Vitals.
Where is Dr. Mary Dean Onayemi's office located?
Dr. Mary Dean Onayemi's office is located at 9119 S Exchange Ave, Chicago, IL, 60617.
Does Dr. Mary Dean Onayemi accept my insurance?
You can see the insurance plans that Dr. Mary Dean Onayemi accepts on their Vitals profile.
Which hospitals is Dr. Mary Dean Onayemi affiliated with?
Dr. Mary Dean Onayemi is affiliated with Advocate Trinity Hospital.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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