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

Marc G Apple, MD

Individual provider Radiation Oncology Physician · NPI 1164422697

Marc G Apple, MD is a Radiation Oncology in Knoxville, Tennessee. Graduated from University of Miami, Lm Miller School of Medicine in 1990, 36 years ago. Practices with Indian River Health Services Inc, a 332-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Florida, Georgia, Indiana and Tennessee.

Years since qualifying
36
Trained at
University of Miami, Lm Miller School of Medicine
Licensed in
FL, GA, IN, TN
In the registry since
2005
Specialties on file
4
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

1451 Old Weisgarber Rd Ste 250
Knoxville, TN 37909
Phone: (865) 862-1625
Fax: (865) 321-4558
Show map & directions

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

Additional practice locations (1)

  • 6274 Linton Blvd Ste 100, Delray Beach, FL 33484-6508 — (561) 323-6500

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 63572 (TN)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 01048136A (IN)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 072738 (GA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence ME63028 (FL)

Record details

NPI number1164422697
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 27, 2005
Last updated in NPPESAugust 19, 2021
Certification dateAugust 19, 2021
Mailing address1451 Old Weisgarber Rd., Suite 250, Knoxville, TN 37909

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Indian River Health Services Inc — 332 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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