Summary

Dr. John Showalter specializes in internal medicine, providing comprehensive care for adult patients with a wide range of health conditions. He earned his medical degree from the University of Kansas School of Medicine and completed his residency training at the prestigious Mayo Clinic and Medical School. With 29 years of experience in practice, Dr. Showalter brings extensive knowledge to his patient care. He is fluent in both Spanish and English.

Dr. Showalter practices at Summit Medical Associates and maintains hospital affiliations with Parkwest Medical Center and Tennova Healthcare Turkey Creek Medical Center in Knoxville, Tennessee. His clinical expertise includes managing diabetes and providing care for patients with memory-related conditions like dementia. He incorporates physical therapy and strength training into treatment plans when appropriate and regularly orders blood tests to monitor patient health. Patients have given Dr. Showalter an average rating of 4.3 out of 5 on Vitals.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 29 years of experience
  • speaks Spanish, English
  • Mayo Clinic And Medical School
  • 8 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 2 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John C Showalter has 2 locations

Summit Medical Associates

9333 Park West BlvdKnoxville, TN 37923
Mon7:00 am - 4:00 pm
Tue7:00 am - 4:00 pm
Wed7:00 am - 4:00 pm
Thu7:00 am - 4:00 pm
Fri7:00 am - 4:00 pm
SatClosed
SunClosed

Parkwest Medical Center

9352 Park West BlvdKnoxville, TN 37923

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Dr. John C Showalter, MDEric HarkerDr. Kendra Lushan Flowers, MDDr. Bonnie Elizabeth Debusk, DO
Internal MedicineInternal MedicineHospital MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
29 Years of Experience 25 Years of Experience 13 Years of Experience 11 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English Speaks English
Knoxville , TNLyons , COKnoxville , TNKnoxville , TN
Med School: University Of Kansas School Of Medicine Med School: Duke University School Of Medicine Med School: East Tennessee State University J H Quillen College Of Medicine Med School: Lincoln Memorial University Debusk College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. John C Showalter

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. John C Showalter has the following specialty

Specialty Expertise

Dr. John C Showalter has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

29 Years Experience

Dr. John C Showalter holds an expired medical license in the state of Tennessee.

Medical License

Medical Doctor with an expired medical license in the state of Tennessee that expired in 2026.

Education & Training

Residency

Completed their residency at Mayo Clinic And Medical School.

Medical School

Graduated from University Of Kansas School Of Medicine in 1997.

NPI Number

Dr. Showalter's NPI number is 1104862002.

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Frequently Asked Questions

Is Dr. John Showalter accepting new patients?
Dr. John Showalter is accepting new patients on Vitals. View Dr. John Showalter's profile on Vitals to make an appointment.
Where is Dr. John Showalter's office located?
Dr. John Showalter's office is located at 9333 Park West Blvd, Knoxville, TN, 37923.
How can I make an appointment with Dr. John Showalter?
You can find contact information for Dr. John Showalter here on Vitals.
Does Dr. John Showalter accept virtual/telehealth appointments?
Dr. John Showalter has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. John Showalter affiliated with?
Dr. John Showalter is affiliated with Parkwest Medical Center and Tennova Healthcare Turkey Creek Medical Center.

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