Meet Our Providers

Dr. Jennifer Moreira, MD FACOG

Dr. Moreira is a board certified obstetrician/gynecologist with experience in providing compassionate, progressive and comprehensive women’s care throughout every stage of their life. While she specializes in all aspects of general gynecology, her particular focus is in minimally invasive surgery, the evaluation and treatment of the irregular and abnormal menstrual bleeding, abnormal pap smear, and menopause management. Dr. Moreira is committed to preventive care, including educating and caring women about contraception, HPV, and fertility. Dr. Moreira’s goal is to assist women in realizing their health potential. Dr. Moreira promotes preventive and holistic healthcare across the ages, ranging from adolescence to menopause. Dr. Moreira graduated from Loyola University Chicago Cum Laude in Biological Psychology. Following college, she attended Ross University School of Medicine and graduated with Honors. She completed her formal training at a high volume urban teaching institution, Mercy Hospital and Medical Center in Chicago. Dr. Moreira was born in Chicago and raised in the western suburbs. She is fluent in Spanish and is sensitive to special needs of culturally diverse communities. She is eager to serve and provide superior women’s health care to the Northwest suburban area. Dr. Moreira is in good standing and an active member of the American College of Obstetrics and Gynecology (ACOG) and the American Board of Obstetrics and Gynecology(ABOG)

Dr. Randy Zimmerman, M.D., F.A.C.O.G.

Dr. Zimmerman has been practicing obstetrics and gynecology since 1979 and has been in the Barrington area since 1983. He is affiliated with Good Shepherd Hospital. Dr. Zimmerman received his medical degree from the University of Illinois School of Medicine. He is board certified in Obstetrics and Gynecology and is a member of the American Fertility Society and the Chicago Medical Society.  He received his Bachelors of Arts Degree in Biology and Masters of Science in Ecology from Northwestern University. Dr. Zimmerman is married with four children and resides in Barrington.

Stephanie Romer, A.P.N., W.H.N.P.-BC

Stephanie is a board certified women's healthcare nurse practitioner. She provides office based obstetrical and gynecological care. She also focuses on health prevention, maintenance and education. She practiced in New York prior to moving to the Barrington area in 1999. Stephanie received her Nurse Practitioner Certificate in 1997 from the University of Pennsylvania Ob/Gyn Nurse Practitioner Program. She is nationally certified as a Women's Healthcare Nurse Practitioner from the NCC and is a member of the National Association of Nurse Practitioners in Women's Health (NPWH) and the Illinois Society for Advanced Practice Nursing. 

Hannelore Conley, A.P.N., A.N.P.-BC

Hanna has been a board certified adult nurse practitioner since 2003. She provides office care with an interest in teen, perimenopause, and menopause education and treatment. Hanna has more than 30 years of nursing experience and for the past 14 years has been with a reproductive and gynecology practice. Hanna received her Nurse Practitioner's degree from North Park University in 2003, and her bachelors and masters degrees from Northern Illinois University, and is certified through the American Nurse's Credentialing Center. She is a member of the National Association of Nurse Practitioners in Women's Health (NPWH), American Academy of Nurse Practitioners, and Sigma Theta Tau.


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© Dr. Randy Zimmerman,  2016.