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Dr. Thomas Ganz, MD

Dr. Thomas Ganz, MD

Obstetrics & Gynecology*
10+ years of experience

Dr. Thomas Ganz, MD is an obstetrician gynecologist in O Fallon, MO and has over 10 years of experience in the medical field. He graduated from Saint Louis University School of Medicine in 2012. He is affiliated with SSM Health St. Joseph Hospital-Lake Saint Louis. He is accepting new patients.

3.5 Star Rating
Based on 11 reviews 3.5 Star Rating (11 reviews)

Practice

1101 Highway K O Fallon, MO 63366
(636) 379-6363

Dr. Ganz is a Healthgrades Choice provider in Obstetrics & Gynecology

The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology

  • Above average experience
  • Good hospital quality
  • Good patient ratings
  • No healthcare sanctions
  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Practices at Top Hospital
    Patient Safety Excellence Award™ • See hospitals
  • Recent Reviews
    Reviews made in the last 30 days. • See reviews
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Dr. Ganz's Reviews

Likelihood to recommend Dr. Ganz

3.5

11 ratings, 10 with a written review
5 Star
64%
64%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
36%
36%

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RecentHighestLowestMost Helpful
What went well
  • Appointment scheduling
  • Staff friendliness
  • Wait times
What could be improved
  • I didn't feel respected
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Didn't trust the provider's decisions
Helpful
Apr 02, 2025
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Lauren – Jan 24, 2022
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Jul 24, 2021
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What went well
No results
What could be improved
No results
2 people found this helpful
Helpful
Annoyed patient – Mar 16, 2021
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What went well
  • Listened & answered questions
  • Explained conditions well
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Feb 13, 2021
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What went well
No results
What could be improved
No results
5 people found this helpful
Helpful
Apr 16, 2019
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What went well
No results
What could be improved
No results
1 person found this helpful
Helpful
Apr 04, 2019
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What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
  • Long wait times
6 people found this helpful
Helpful
Troy , MO – Jan 29, 2019
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Oct 16, 2018
×Post a ResponseAre you Dr. Thomas Ganz, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
4 people found this helpful
Helpful
Asia in MO – Jun 15, 2018
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How was your experience with Dr. Ganz?

Know Before You Go

About Me

Watch Dr. Ganz's Video

biography

Thomas GanzMD, specializes in obstetrics and gynecology. He received his medical degree from Saint Louis University School of Medicine and completed his residency at the Saint Louis University department of obstetrics, gynecology, and women's health....read more

  • Obstetrics & Gynecology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Saint Louis University School Of Medicine

    Medical School, 2012
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

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Dr. Ganz is a Healthgrades Choice provider in Obstetrics & Gynecology

    Read our methodology

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    Locations

    Practice

    SSM Medical Group Inc.1101 Highway K O Fallon, MO 63366
    1

    Practice

    SSM Health Medical Group172 Professional Pkwy Troy, MO 63379
    2

    Practice

    Office18800 Schnucks Dr Ste B Warrenton, MO 63383
    3

    Affiliated Hospitals

    • SSM Health St. Joseph Hospital-Lake Saint Louis

      100 Medical Plz
      Lake Saint Louis, MO 63367
      Recipient of 2
      hospital awards

      Patient Safety Excellence Award™ (2025)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      View all awards

      How patients felt about the care they received at this hospital.

      83%
      Patients said they were given information about recovering at home

      1% lower than the national average

      76%
      Patients said that nurses always listened to them and explained things well

      1% higher than the national average

      View all patient feedback
    Learn more about how Healthgrades measures Hospital Quality