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

Mark W Johnson, MD

Individual provider Family Medicine Physician · NPI 1679571715

Mark W Johnson, MD is a Family Practice in Powell, Tennessee. Graduated from New York University School of Medicine in 1994, 32 years ago. Practices with Summit Medical Group, PLLC, a 636-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
32
Trained at
New York University School of Medicine
Licensed in
TN
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2125 W Emory Rd
Powell, TN 37849-3704
Phone: (865) 938-7517
Fax: (865) 938-1067
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 029781 (TN)

Record details

NPI number1679571715
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2005
Last updated in NPPESApril 27, 2020
Certification dateApril 27, 2020
Mailing address1275 Dick Lonas Rd Unit 101, Knoxville, TN 37909-1383

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Summit Medical Group, Pllc — 636 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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