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

Nathan A Gray, MD

Individual provider Internal Medicine Physician · NPI 1952347999

Nathan A Gray, MD is an Internal Medicine in Knoxville, Tennessee. Graduated from University of Tennessee, Hsc, College of Medicine in 2000, 26 years ago. Practices with Summit Medical Group, PLLC, a 636-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
26
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

11808 Kingston Pike Ste 160
Knoxville, TN 37934-3838
Phone: (865) 966-3940
Fax: (865) 966-6914
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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 36905 (TN)

Record details

NPI number1952347999
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2006
Last updated in NPPESApril 27, 2020
Certification dateApril 27, 2020

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 2000 (26 years in practice)
Group practice Summit Medical Group, Pllc — 636 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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