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

Individual provider Radiation Oncology Physician · NPI 1700029626

Dr. Grant Michael Clark, MD is a Radiation Oncology in Knoxville, Tennessee. Graduated from West Virginia University School of Medicine in 2009, 17 years ago. Practices with East Tennessee Radiation Oncology, PC, an 8-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
17
Trained at
West Virginia University School of Medicine
Licensed in
TN
In the registry since
2009
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

1915 White Ave
Knoxville, TN 37916-2399
Phone: (865) 331-1155
Fax: (865) 331-3165
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 51020 (TN)

Record details

NPI number1700029626
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 7, 2009
Last updated in NPPESMay 18, 2026
Certification dateMay 18, 2026
Mailing addressPo Box 24120, Knoxville, TN 37933-2120

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolWEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice East Tennessee Radiation Oncology, P.C. — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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