Summary

Dr. Brett Cassidy treats pregnancy, obesity and overweight, and antepartum depression in his obstetrics and gynecology practice. He also performs fetal ultrasound. He has practiced for 28 years and speaks English and Spanish.

Dr. Cassidy earned his medical degree from Emory University School of Medicine. He sees patients at locations in Aurora, Sandwich, Plainfield, Naperville, Ottawa, and Mendota, Illinois, and is affiliated with Northwestern Medicine Valley West Hospital, Prime Healthcare Mercy Medical Center, Edward Hospital, OSF Saint Paul Medical Center, and OSF Saint Elizabeth Medical Center. Patients on Vitals rate Dr. Cassidy 4.38 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.4
  • 28 years of experience
  • speaks English, Spanish
  • Emory University School Of Medicine
  • 8 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 5 hospital affiliations
  • 8 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Brett James Cassidy has 8 locations

Ascension Mercy

1325 N Highland AveAurora, IL 60506

Aishling Obstetrics And Gynecology

831 Sandhurst DrSandwich, IL 60548
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Aishling Obstetrics And Gynecology

24023 W Lockport St Ste 101Plainfield, IL 60544
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 12:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Edward Heart Hospital

801 S Washington StNaperville, IL 60540

Osf Medical Group Obstetrics And Gynecology

1614 E Norris DrOttawa, IL 61350
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

Osf Saint Elizabeth Medical Center

1100 E Norris DrOttawa, IL 61350

Aunt Marthas Health And Wellness

2124 Ogden Ave Ste 201Aurora, IL 60504
Mon8:00 am - 5:30 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 6:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 4:30 pm
Sat8:00 am - 12:00 pm
SunClosed

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Dr. Brett James Cassidy, MDDr. Shehrebanu MerchantDr. Sherma St Fort Morton, MDDr. Lyndon Douglas Taylor, MD
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
4.4 
4.8 
4 
28 Years of Experience 39 Years of Experience 22 Years of Experience 48 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English, Spanish, Russian
Aurora , ILSouth Barrington , ILDurham , NCOak Park , IL
Med School: Emory University School Of Medicine Med School: Mahatma Gandhi Memorial Medical College Med School: University of Florida College of Medicine Med School: Universidad Autonoma De Guadalajara Facultad De Medicina
Current Profile
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Insurance Plans Accepted by Dr. Brett James Cassidy

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Brett James Cassidy has the following specialty

Specialty Expertise

Dr. Brett James Cassidy 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

28 Years Experience

Dr. Brett James Cassidy 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

Medical School

Graduated from Emory University School Of Medicine in 1998.

NPI Number

Dr. Cassidy's NPI number is 1649256975.

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Frequently Asked Questions

How can I make an appointment with Dr. Brett Cassidy?
You can find contact information for Dr. Brett Cassidy here on Vitals.
Does Dr. Brett Cassidy accept my insurance?
You can see the insurance plans that Dr. Brett Cassidy accepts on their Vitals profile.
Does Dr. Brett Cassidy accept virtual/telehealth appointments?
Dr. Brett Cassidy has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Brett Cassidy speak?
Dr. Brett Cassidy speaks English and Spanish.
Which hospitals is Dr. Brett Cassidy affiliated with?
Dr. Brett Cassidy is affiliated with Northwestern Medicine Valley West Hospital, Prime Healthcare Mercy Medical Center, Edward Hospital, Osf Saint Paul Medical Center, and OSF SAINT ELIZABETH MEDICAL CENTER.

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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