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

Individual provider Internal Medicine Physician · NPI 1275539835

John Austin Kirby, MD is an Internal Medicine in Jefferson City, Tennessee. Graduated from Emory University School of Medicine in 1997, 29 years ago. Practices with Summit Medical Group, PLLC, a 636-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
29
Trained at
Emory 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.

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Practice location Address checks out

120 Hospital Dr Ste 130
Jefferson City, TN 37760-5279
Phone: (865) 475-4742
Fax: (865) 262-0100
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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 35319 (TN)

Record details

NPI number1275539835
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 28, 2005
Last updated in NPPESSeptember 27, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolEMORY UNIVERSITY SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Summit Medical Group, Pllc — 636 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

Other providers in Jefferson City