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Doctors / TN

JOHN C SHOWALTER, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)

Graduated: 1997

NPI: 1104862002

Practice Locations (11)

SUMMIT MEDICAL GROUP, PLLC

7211 WELLINGTON DR

KNOXVILLE, TN 379195968

SUMMIT MEDICAL GROUP, PLLC

103 MIDLAKE DR LEVEL

KNOXVILLE, TN 379183039

8656877704

SUMMIT MEDICAL GROUP, PLLC

1225 E WEISGARBER RD, SUITE 200

KNOXVILLE, TN 378494016

8659383627

SUMMIT MEDICAL GROUP, PLLC

1275 DICK LONAS RD

KNOXVILLE, TN 379091326

SUMMIT MEDICAL GROUP, PLLC

1275 DICK LONAS RD, UNIT 101

KNOXVILLE, TN 379091326

SUMMIT MEDICAL GROUP, PLLC

9333 PARK W BLVD

KNOXVILLE, TN 379234305

SUMMIT MEDICAL GROUP, PLLC

721 HWY 321 N, SUITE C

LENOIR CITY, TN 377715003

8659863283

PHYSIOTHERAPY ASSOCIATES INC

101 CHEROKEE PL, SUITE 107

LOUDON, TN 377744162

8654089344

SUMMIT MEDICAL GROUP, PLLC

7545 BARNETT WAY

POWELL, TN 378493565

8658241524

SUMMIT MEDICAL GROUP, PLLC

7545 BARNETT WAY, SUITE B

POWELL, TN 378493565

8658241524

SUMMIT MEDICAL GROUP, PLLC

201 E EMORY RD

POWELL, TN 378494016

8659383627

Source: CMS National Downloadable File, September 2026.

JOHN SHOWALTER, MD | HealthCareAtlasUSA