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

John C Showalter, MD

Individual provider Internal Medicine Physician · NPI 1104862002

John C Showalter, MD is an Internal Medicine in Knoxville, Tennessee. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 1997, 29 years ago. Practices with Physiotherapy Associates Inc, a 1,458-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
29
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
TN
In the registry since
2006
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

9303 Parkwest Blvd Ste 100
Knoxville, TN 37923
Phone: (865) 690-6451
Fax: (865) 694-2613
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 34349 (TN)

Record details

NPI number1104862002
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2006
Last updated in NPPESJune 3, 2010

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 1997 (29 years in practice)
Group practice Physiotherapy Associates Inc — 1458 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations11 on file with Medicare

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