SSM Health Medical Group
Thomas Ganz, MD
Obstetrics and Gynecology
4 Locations
300 Medical Plaza
Lake St. Louis, MO 63367
Dr. Ganz is a junior fellow of the American College of Obstetrics and Gynecology, and is a member of the SSM Health St. Mary's Ethics Committee, Obstetrics Quality Improvement Committee, and the Gynecologic Quality Improvement Committee.
Dr. Ganz received the Outstanding Laparoscopist Award and the Resident Case Presentation Award.
About Me
Education:
Residency
St. Louis University
Medical School
St. Louis University School of Medicine
Hospital Affiliations:
SSM Health DePaul Hospital - St. Louis
SSM Health St. Joseph Hospital - Lake Saint Louis
SSM Health St. Joseph Hospital - St. Charles
Certifications:
Drug Enforcement Administration
Missouri Dept of Health/Narcotics&Dangerous Drugs
Missouri State Board of Registration
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.
Map & Directions
SSM Health Medical Group
300 Medical Plaza
Lake St. Louis, MO 63367
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
Similar providers at this location
Next available times


Specialties: Family Nurse Practitioner
Specialties: Obstetrics and Gynecology
Specialties: Nurse Practitioner
Specialties: Womens Health Nurse Practitioner
SSM Health Medical Group
Elizabeth Vollmar, APRN-CNP
Family Nurse Practitioner, Obstetrics and Gynecology
Specialties: Family Nurse Practitioner
Specialties: Obstetrics and Gynecology
May 10, 2025Listens very well to his patients if you have any concerns and also offers other options if you don't want to do something
Mar 30, 2025very informative and caring
Jan 28, 2025This was a first time meeting and was extremely pleased he talked and explained everything and more.
Jan 16, 2025He's very relaxed. I wasn't very nervous at all. I'm thankful for that!
Jan 6, 2025I left feeling heard, cared for and throughly examined. The follow up email was above and beyond. Dr. Ganz remembered everything we talked about and questions I had as well as explained everything.