James Johnston, MD

Addiction Medicine · Internal Medicine · Orthopedic Surgery · Gastroenterology · Endocrinology · Family Medicine · Sports Medicine · Sleep Medicine

8+ years in practiceNPI: 1598253957Licensed in SCLicensed in TN

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineOrthopedic SurgeryGastroenterologyEndocrinologyFamily MedicineSports MedicineSleep Medicine

NPI sub-specialties

Family Medicine, Sleep Medicine207QS1201X

Family Medicine, Sports Medicine207QS0010X

Family Medicine, Sports Medicine207QS0010X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

8+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#4

Top Sports Medicine Doctors in Idaho, 2026

Sports Medicine · Idaho · 2026

#34

Top Orthopedic Surgeons in Idaho, 2026

Orthopedic Surgery · Idaho · 2026

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Frequently Asked Questions about Dr. James Johnston, MD

Where does Dr. James Johnston, MD practice?+
Dr. James Johnston, MD practices in Minnesota, MN. 917 W WALNUT ST JOHNSON CITY, TN 376046527.
What is Dr. James Johnston, MD's phone number?+
Dr. James Johnston, MD's practice phone is 423-439-6464. Office contact information is verified on the PBCMMG profile.
What does Dr. James Johnston, MD specialize in?+
Dr. James Johnston, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Orthopedic Surgery, Gastroenterology.
Is Dr. James Johnston, MD board certified?+
Board certification status for Dr. James Johnston, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. James Johnston, MD been practicing?+
Dr. James Johnston, MD has been in active practice for 8+ years, based on NPI enumeration and state licensing records.
What is Dr. James Johnston, MD's NPI number?+
Dr. James Johnston, MD's National Provider Identifier (NPI) is 1598253957, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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