Zachary Martin Keller, MD

Mercy Clinic
Zachary Martin Keller, MD, Mercy

Zachary Martin Keller, MD

Specialty

  • Obstetrics and Gynecology

Online Services

Schedule Online, Video Visits
Location of Your Visit
Mercy Clinic OB/GYN - Medical Tower A Suite 695A
621 S. New Ballas Road, Tower A, Suite 695ASt. Louis, MO 63141

Select a Location

To schedule an in-person or video visit (available only through certain locations).

621 S. New Ballas Road, Tower A, Suite 695ASt. Louis, MO 63141
13.4 Miles

Select a Visit Type

To ensure the highest quality patient care, please select the most appropriate visit type, as length of visits vary. If you do not see your visit type, please call.

Select a Time

Please select your preferred time slot for your appointment.

Location and Contact Information

About Zachary Martin Keller, MD

Care Philosophy Just like any physician, I want my patients to know that I am here for them in whatever capacity that they need me to be here. I want them to be able to talk to me about whatever their concerns are, their issues are, and that we can tackle them together as a patient/physician relationship
Video Player is loading.
Current Time 0:00
Duration 0:00
Loaded: 0%
Stream Type LIVE
Remaining Time 0:00
 
1x
  • Chapters
  • descriptions off, selected
  • captions off, selected
      Education
      Medical School
      • Saint Louis University
      Residency
      • University of Arkansas for Medical Sciences College of Medicine-Obstetrics and Gynecology
      Board Certifications
      • American Board of Obstetrics & Gynecology
      Affiliations
      • Mercy Hospital St. Louis
      • Mercy Hospital Washington
      Languages
      • English
      Looking for more options?
      Find the Mercy provider who's right for you.
      View all Obstetrics and Gynecology providers.
      Looking for more options?
      Find the Mercy provider who's right for you.
      View all Obstetrics and Gynecology providers.

      Patient Ratings and Comments

      Rating

      From 149 patients
      (4.9/5)
      The provider rating is an average based on Mercy Clinic's post-care survey responses. To find out more, check out our frequently asked questions.

      Comments

      Viewing 1-3 of 30 comments
      Highlights from patients about their experience with this provider:
      • Apr 3, 2025
        (5/5)
        I had a very good experience with my visit, seeing Dr. Keller. He answered all of my questions and I understood what my next steps of care will be. I trust him with my care and he spent extra time with me during the visit, which I appreciate. Thank you.
      • Apr 2, 2025
        (5/5)
        Dr. Keller is the best! He always cares about what I have to say and I am so thankful for him for bringing my baby into this world. I hope I never have to see any other doctor. I can trust him with anything I say and he is so compassionate and kind.
      • Mar 26, 2025
        (5/5)
        Dr. Keller is wonderful! He's very friendly, personable and down to earth. He truly listens. He sat down, turned towards me and made eye contact as we talked. I can't say enough good things about him!