SSM Health Medical Group
Sheila Drnec, DO
Obstetrics and Gynecology

Dr. Sheila Drnec is a dual board-certified OB/GYN who cares for patients of all ages and sees patients throughout the St. Louis metropolitan area. She provides comprehensive obstetrics and gynecology services, supporting women through every stage of life-from adolescence to pregnancy and beyond.
Dr. Drnec has a special interest in pregnancy and related conditions, abnormal uterine bleeding, uterine fibroids, chronic pelvic pain, sexual health and infection prevention, family planning, and cancer prevention. She also offers a thorough first OB visit, which includes a complete health check-up, confirmation of pregnancy, due date estimation, and a personalized care plan. This visit often involves a detailed history, physical and pelvic exam, blood and urine tests, and an early ultrasound to check the baby's development and heartbeat.
Her approach to medicine is rooted in compassion, empathy, and service. Dr. Drnec believes that optimizing health helps individuals achieve their fullest potential-a goal she strives to meet with every patient.
Dr. Drnec is actively involved in her field through memberships in several professional organizations, including the American College of Obstetrics and Gynecology (as a Fellow), the American Society for Colposcopy and Cervical Pathology, the American Institute of Ultrasound in Medicine, the American Association of Gynecologic Laparoscopists, the Association of Professors of Gynecology and Obstetrics, the American Medical Association, and the American Osteopathic Association.
Dr. Drnec has a special interest in pregnancy and related conditions, abnormal uterine bleeding, uterine fibroids, chronic pelvic pain, sexual health and infection prevention, family planning, and cancer prevention. She also offers a thorough first OB visit, which includes a complete health check-up, confirmation of pregnancy, due date estimation, and a personalized care plan. This visit often involves a detailed history, physical and pelvic exam, blood and urine tests, and an early ultrasound to check the baby's development and heartbeat.
Her approach to medicine is rooted in compassion, empathy, and service. Dr. Drnec believes that optimizing health helps individuals achieve their fullest potential-a goal she strives to meet with every patient.
Dr. Drnec is actively involved in her field through memberships in several professional organizations, including the American College of Obstetrics and Gynecology (as a Fellow), the American Society for Colposcopy and Cervical Pathology, the American Institute of Ultrasound in Medicine, the American Association of Gynecologic Laparoscopists, the Association of Professors of Gynecology and Obstetrics, the American Medical Association, and the American Osteopathic Association.
About Me
Specialties
Obstetrics and Gynecology
Gender
Female
Education
Henry Ford Macomb Hospital - Clinton Township
Internship, 2012
Des Moines University-Osteopathic Medical Center
Medical School, 2011
Sparrow Hospital
Residency, 2016
Hospital Affiliations
SSM Health St. Clare Hospital - Fenton
SSM Health St. Mary's Hospital - St. Louis
Certifications
American Board of Obstetrics & Gynecology
American Osteopathic Board of OB/GYN
Drug Enforcement Administration
Missouri Dept of Health/Narcotics&Dangerous Drugs
Missouri State Board of Registration
Medical Interests
Abnormal uterine bleeding
Cancer prevention and screening
Family planning
Fibroids
Infections during pregnancy
Low risk pregnancy
Robotic assisted surgery
Reviews
Rating Breakdown
Reviews are measured on a scale of 1 to 5, with 5 being the best score.
Question Breakdown
5.0Overall Experience5.0Listened Carefully4.9Explained Things Clearly4.9Knew Medical History5.0Involved in Care Decisions5.0Showed Courtesy & Respect
Patient Reviews
SSM Health only displays patient satisfaction data for providers included in our survey process and who have a minimum of 30 returned surveys. The overall rating is an average of all responses to the survey questions listed below. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn more about our survey.
5 out of 5
56 ratings,
22 reviews
8/12/2026
Meeting/seeing any new doctor is always nerve racking but Dr. Drnec did not disappoint and I left feeling relieved. She is incredible all around. She explained things well for me to understand and asked every question under the sun to truly get to know me better. I would recommend her to anyone
8/12/2026
Extremely attentive, informative, professional, knowledgeable & really seemed like she cared about the medical journey I was on.
7/20/2026
She was great. No complaints!
7/8/2026
I have every confidence in her performing my surgery.
7/1/2026
She is very kind, knowledgeable and cares about getting things right. Greatful to have her for a Dr.
Map & Directions
SSM Health Medical Group
1296 Jeffco Blvd.Arnold, MO 63010
Mon
8:00 am - 4:30 pm
Tue
8:00 am - 4:30 pm
Wed
8:00 am - 4:30 pm
Thu
8:00 am - 4:30 pm
Fri
8:00 am - 4:30 pm
Sat
Closed
Sun
Closed


