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

Dr. John Calvin Horner, MD

Individual provider Internal Medicine Physician · NPI 1760414635

Dr. John Calvin Horner, MD is an Internal Medicine in Morristown, Tennessee. Graduated from University of Tennessee, Hsc, College of Medicine in 1982, 44 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
44
Trained at
University of Tennessee, Hsc, College of Medicine
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

538 W 6th North St
Morristown, TN 37814-3939
Phone: (423) 587-5283
Fax: (425) 587-9508
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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 014291 (TN)

Record details

NPI number1760414635
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 7, 2006
Last updated in NPPESJanuary 28, 2016
Mailing address538 W 6th North St, Morristown, TN 37814-3939

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Graduated 1982 (44 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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