Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Cathie Gantner Overmyer, MD

Individual provider Internal Medicine Physician · NPI 1760437263

Cathie Gantner Overmyer, MD is an Internal Medicine in Jackson, Wyoming. Graduated from University of Wisconsin School of Medicine in 1985, 41 years ago. Practices with Teton County Hospital District, a 112-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Wyoming.

Years since qualifying
41
Trained at
University of Wisconsin School of Medicine
Licensed in
IL, WY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

555 E Broadway Ave Ste 201
Jackson, WY 83001-8640
Phone: (307) 733-7222
Fax: (307) 739-4828
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 625 E Broadway Ave, Jackson, WY 83001-8642 — (307) 733-3636

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 16939A (WY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036083495 (IL)

Record details

NPI number1760437263
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2006
Last updated in NPPESJanuary 21, 2025
Certification dateJanuary 21, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Teton County Hospital District — 112 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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