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Cathie G. Overmyer, MD

  • Employed by St. John's Health

About Cathie

With a passion for preventive medicine and a commitment to building strong patient relationships, Dr. Overmyer brings a wealth of knowledge and compassion to our community.

Dr. Overmyer earned her medical degree from the University of Wisconsin - Madison and completed her internship and residency at Rush University in Chicago. Most recently, she worked at the Rush Oak Park Physicians Group, where she provided comprehensive internal medicine care, and served as a preceptor for the Rush University School of Nursing.

Dr. Overmyer is dedicated to proactive health care, emphasizing the importance of lifestyle and prevention in her practice. She strives to be a trusted partner in her patients’ health journeys, valuing the relationships she builds along the way.

Originally from Wisconsin, Dr. Overmyer is a devoted Green Bay Packers fan. Since relocating from Chicago to Jackson Hole, she has embraced the area’s outdoor lifestyle, enjoying hiking and exploring its natural beauty. She is married with two grown daughters, and recently adopted a spunky dog named Becker, who has quickly become a cherished member of her family.

Affiliations St. John’s Health Provider
Education
  • Medical School
  • MD University of Wisconsin
    Madison, WI
    1989
  • Residency
  • Internal Medicine Rush University
    Chicago, IL
    1992
  • Board Certification
  • Internal Medicine American Board of Internal Medicine
    1992
Comments
  • White Star Mask
    Aug 16, 2026

    Always such a positive experience with St. John's.

  • White Star Mask
    Aug 16, 2026

    I've recommended my doctor, Dr Overmyer to several friends, the entire team has been very helpful with my care.

  • White Star Mask
    Aug 16, 2026

    As always, Dr. Overmyer and her team took great care of me! Thank you for all you do!

  • White Star Mask
    Jul 28, 2026

    Doctor was efficient, understanding and great listener.

  • White Star Mask
    May 3, 2026

    I really like Dr Overmyer and the staff that works with her.

  • White Star Mask
    Apr 21, 2026

    I love Dr Cathie Overmyer!

  • White Star Mask
    Apr 7, 2026

    Dr Overmyer is a great addition to the community

  • White Star Mask
    Apr 6, 2026

    This was my first meeting with Dr. Overmyer. I was very much impressed by her genuine care for me. She was professional, kind, and friendly! We just moved here and are extremely happy to have found such an outstanding doctor.

  • White Star Mask
    Mar 15, 2026

    Like her bedside manner. Professional but friendly/down home - not cold and uncaring. Her exam was very thorough, as were our discussions.

  • White Star Mask
    Feb 24, 2026

    She was very easy to talk to.She was very knowledgeable

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