Male 65 years


Dr. John C Showalter, MD



Internal Medicine   -  Tennessee,  Knoxville

 Overview

Dr. John C Showalter, MD works in Knoxville, Tennessee is a specialist in Internal Medicine and graduated Mayo Grad School Med/mayo Fndn. Dr. Showalter is affiliated with Mercy Medical Center - St. Mary's and practicing for 26 years

 Specialties

  • Internal Medicine

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 26

 State License

  • Tennessee

 Education & Training

Residency Hospital

Mayo Grad School Med/mayo Fndn



Medical School

University Of Kansas School Of Medicine

Kansas City, KS, United States

Graduated: 1997

 Awards

Awards for Dr. John C Showalter, MD are not present.

 Dr. Showalter Reviews

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 Office Locations


Primary location

 Office Address
1120 East Weisgarber Road Suite 104
Tennessee (TN)
Knoxville
37909
 Phone:(865) 909-0090

Accepting New Patients

  • No
* Please verify this information when scheduling an appointment.

 Map & Directions



Office Address, 1120 East Weisgarber Road Suite 104, Knoxville, Tennessee (TN), 37909




 Insurances Accepted (check insurance plans)

  • Aetna
  • Assurant Health
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Tennessee
  • Choice Care PPO
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Commercial Insurance Company
  • First Health (Coventry Health Care)
  • First Health (Coventry Health Care) PPO
  • GEHA
  • Golden Rule
  • Government Employees Health Association (GEHA)
  • Great West Healthcare-Cigna PPO
  • Humana
  • LocalPlus
  • Medicare
  • Medicare MCR
  • MultiPlan
  • MultiPlan PPO
  • Navigate HMO
  • Navigate POS
  • Network S
  • Open Access Plus
  • Options PPO
  • PHCS Network PPO
  • PHP-Physicians Health Plan
  • POMCO Group
  • Tricare
  • United Healthcare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. John C Showalter, MD are not present.

 Patients Questions

Patients questions for Dr. John C Showalter, MD are not present.

 Affiliated Hospitals


Mercy Medical Center - St. Mary's photo


Mercy Medical Center - St. Mary's

900 East Oak Hill Avenue Tennessee TN, Knoxville, 37917

Mercy Medical Center - St. Mary's is a non-profit hospital located in Knoxville, TN. Procedures/Diagnosis costs are at the state average in 13 of 13 procedures. Length of Stay is shorter than the state average in 2 of 13 procedures.



  •  Latest reviews for Internal Medicine specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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