Radiation Oncology in Tennessee
155 licensed radiation oncologists practicing in Tennessee across 53 cities.
This page republishes public records from the federal NPI Registry, which every licensed U.S. healthcare provider is required to maintain. These are federal-agency records, not a directory we compile.
Source: NPI Registry · last checked
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Click a city to filter the 50 providers shown below. Tennessee has providers in 53 cities total — search the full NPI Registry for cities not shown here.
NPI Registry records — Radiation Oncology in Tennessee
36 of 50 shown have disclosed payments in CMS Open Payments (2024)
Showing 50 of 155 federal NPI records, alphabetical by last name. Contact details come directly from the NPI Registry — verify currency with the provider's office. Pharma / device payment disclosures from CMS Open Payments are shown where the physician appears in that federal database.
In 2024, $156 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($156).
Largest single payer: RefleXion Medical, Inc. ($156).
John M Anderson, MD
908 West 4th North Street, Dept of Radiation Oncology
Morristown, TN 37814 · (423) 522-5000
License: MD35666 (TN)
In 2024, $49 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($49).
Largest single payer: Lilly USA, LLC ($49).
David W Ange, MD
900 E Oak Hill Ave, Radiation Therapy Department
Knoxville, TN 37917 · (865) 544-9554
License: 9152 (TN)
In 2024, $61 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($61).
Largest single payer: E.R. Squibb & Sons, L.L.C. ($61).
Marc G Apple, MD
1451 Old Weisgarber Rd., Suite 250
Knoxville, TN 37909 · (865) 862-1625
License: 63572 (TN)
In 2024, $195 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($195).
Largest single payer: Novocure Inc. ($100).
Donald Calvin Arwood, MD
137 Blount Ave., S.e.
Knoxville, TN 37920 · (865) 632-5981
License: MD18703 (TN)
Khush S Aujla, MD
3601 the Vanderbilt Clinic
Nashville, TN 37232 · (615) 322-3000
License: 68287 (TN)
In 2023, $189 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($189).
Diandra Norelle Ayala-Peacock, MD
3601 Tvc
Nashville, TN 37232 · (615) 322-3000
License: MD52992 (TN)
In 2023, $236 was disclosed to this physician across 6 transactions by pharmaceutical or medical-device companies.
Mostly meals and beverages ($168) and entertainment ($68).
Matthew T. Ballo, MD
100 N Humphreys Blvd
Memphis, TN 38120 · (901) 683-0055
License: 35071913B (OH)
In 2024, $5,932 was disclosed to this physician across 14 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($4,800) and entertainment ($835).
Largest single payer: Novocure Inc. ($4,840).
Milad Baradaran Ghahfarokhi
2220 Pierce Ave
Nashville, TN 37232 · (615) 343-9241
License: xxxxxxxxx (TN)
Marion Gilbert Bolin, MD
4220 Harding Pike, Dan Rudy Cancer Center
Nashville, TN 37205 · (615) 222-6755
License: MD0000008939 (TN)
In 2024, $203 was disclosed to this physician across 8 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($203).
Largest single payer: Teleflex LLC ($41).
Maikel Elia Botros, MD
907 E Lamar Alexander Pkwy
Maryville, TN 37804 · (865) 977-5534
License: 56507 (TN)
In 2024, $73 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($73).
Largest single payer: Boston Scientific Corporation ($48).
John Carlton Boys, MD
1420 Tusculum Blvd
Greeneville, TN 37745 · (423) 787-5041
License: MD0000024406 (TN)
In 2024, $180 was disclosed to this physician across 6 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($180).
Largest single payer: Siemens Medical Solutions USA, Inc. ($104).
William B Bradford, MD
2114 N Jackson St
Tullahoma, TN 37388 · (931) 454-9423
License: MD0000025802 (TN)
Christopher Lawrence Brett
1926 Alcoa Hwy Ste 130
Knoxville, TN 37920 · (865) 305-9040
License: 62986 (TN)
In 2024, $43 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($43).
Largest single payer: AstraZeneca Pharmaceuticals LP ($22).
Andrew Stuart Camarata, MD
1545 Airport Blvd Ste 1000
Pensacola, FL 32504 · (850) 416-6700
License: ME162899 (FL)
In 2024, $156 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($156).
Largest single payer: Teleflex LLC ($156).
In 2024, $17 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($17).
Largest single payer: Boston Scientific Corporation ($17).
In 2024, $421 was disclosed to this physician across 12 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($421).
Largest single payer: Smith+Nephew, Inc. ($244).
Katherine Osusky Castle, MD
2004 Hayes St Ste 350
Nashville, TN 37203 · (615) 312-3333
License: 74568 (TN)
In 2023, $90 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($90).
Han-Chih Chang, MD
3601 the Vanderbilt Clinic
Nashville, TN 37232 · (615) 322-3000
License: 57231 (TN)
In 2024, $15,937 was disclosed to this physician across 31 transactions by pharmaceutical or medical-device companies.
Mostly consulting fees ($13,500) and entertainment ($1,744).
Largest single payer: Teleflex LLC ($14,995).
Ryan K Cleary, MD
605 Glenwood Dr Ste 200
Chattanooga, TN 37404 · (423) 698-1844
License: 57047 (TN)
In 2024, $117 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($117).
Largest single payer: Novocure Inc. ($47).
Anthony Cmelak, MD
3601 the Vanderbilt Clinic
Nashville, TN 37232 · (615) 322-3000
License: MD28099 (TN)
In 2023, $9,024 was disclosed to this physician across 7 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($6,325) and meals and beverages ($2,340).
Scott D Coen, MD
130 W Ravine Rd, Hvmc/radiation Oncology Dept
Kingsport, TN 37660 · (423) 224-5500
License: MD0000037692 (TN)
In 2024, $156 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($156).
Largest single payer: Siemens Medical Solutions USA, Inc. ($104).
Brad R Cohen, MD
3901 Central Pike, Suite 153
Hermitage, TN 37076 · (615) 391-7320
License: MD26353 (TN)
In 2024, $17 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($17).
Largest single payer: Medline Industries LP ($17).
In 2024, $38 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($38).
Largest single payer: AstraZeneca Pharmaceuticals LP ($38).
Kevin B Collins, MD
1109 E Reelfoot Ave Ste F
Union City, TN 38261 · (731) 884-1412
License: E-0729 (AR)
In 2024, $944 was disclosed to this physician across 43 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($944).
Largest single payer: Merck Sharp & Dohme LLC ($130).
Kyle Colvett, MD
400 N State of Franklin Rd, Cancer Treatment Center
Johnson City, TN 37604 · (423) 431-6000
License: MD0000027621 (TN)
In 2024, $104 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($104).
Largest single payer: Siemens Medical Solutions USA, Inc. ($104).
David Allen Cooper
1840 Medical Center Pkwy Ste 102
Murfreesboro, TN 37129 · (615) 396-5530
License: 65139 (TN)
In 2024, $24 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($24).
Largest single payer: Siemens Medical Solutions USA, Inc. ($24).
Kaleb Ryan Darrow, MD
3601 the Vanderbilt Clinic
Nashville, TN 37232 · (615) 322-5000
License: 74190 (TN)
Deanna S Davidson, MD
803 W Market St Ste 100
Lima, OH 45805 · (419) 996-5063
License: 35125742 (OH)
In 2023, $75 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($75).
Steven Vaughn Dill, MD
1926 Alcoa Hwy, Ste 130
Knoxville, TN 37920 · (865) 305-9040
License: 52420 (TN)
In 2024, $118 was disclosed to this physician across 6 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($118).
Largest single payer: AstraZeneca Pharmaceuticals LP ($39).
Tru-Khang Dinh, MD
1959 Ne Pacific St Rm Bb-527, Box 356421
Seattle, WA 98195 · (206) 543-3605
License: 63070 (TN)
In 2024, $16 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($16).
Largest single payer: Pfizer Inc. ($16).
Austin Patrick Henry Dove, MD
979 E 3rd St Ste G15
Chattanooga, TN 37403 · (423) 778-9506
License: 53501 (TN)
In 2024, $21 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($21).
Largest single payer: Progenics Pharmaceuticals, Inc. ($21).
In 2024, $637 was disclosed to this physician across 27 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($537) and gifts ($100).
Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($115).
Eric R Ellis, MD
605 Glenwood Drive, Suite 200
Chattanooga, TN 37404 · (423) 698-1844
License: MD0000019592 (TN)
In 2024, $56 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($56).
Largest single payer: BIOPROTECT MEDICAL, INC. ($36).
In 2024, $23 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($23).
Largest single payer: Novocure Inc. ($23).
Nathan Scott Floyd, MD
107 W Medical Park Dr
Lexington, NC 27292 · (336) 713-0033
License: 2023-00903 (NC)
In 2023, $21 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($21).
John Arthur Fortney, MD
605 Glenwood Dr, Suite 200
Chattanooga, TN 37404 · (423) 698-1844
License: 063585 (GA)
In 2024, $33 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($33).
Largest single payer: Pfizer Inc. ($33).
Corey Christian Foster, MD
5841 S Maryland Ave, M/c 9006
Chicago, IL 60637 · (570) 573-2793
License: 125067927 (IL)
In 2024, $176 was disclosed to this physician across 7 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($176).
Largest single payer: Merck Sharp & Dohme LLC ($51).
Brian Zach Fowler, MD
908 W. 4th North Street
Morristown, TN 37814 · (423) 492-6200
License: 53446 (GA)
Jeffrey Mathew Friedman, MD, PHD
225 Big Station Camp Blvd Ste 104
Gallatin, TN 37066 · (615) 328-6170
License: 54399 (TN)
In 2023, $82 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($82).
In 2024, $349 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($349).
Largest single payer: RefleXion Medical, Inc. ($156).
Daniel Creston Garner, MD
300 Stonecrest Blvd, Ste 155
Smyrna, TN 37167 · (615) 768-2855
License: 37114 (TN)
Showing 50 of 155. Search all on NPI Registry →
Payment totals shown for the latest published program year (2024). Presence of disclosed payments is not, on its own, a conflict of interest. Physicians dispute records directly with CMS (dispute process). How we show this.
Open Payments figures as displayed on . Corrections flow from the manufacturer through CMS and are adopted on our next refresh.
What this page is: a republication of public federal NPI Registry records, filtered to the radiation oncology taxonomy. It is not a directory we curate, and inclusion is automatic based on each provider's own NPI filing with CMS. Providers who believe their NPI record is inaccurate should update it directly with CMS at npiregistry.cms.hhs.gov; our next refresh adopts the corrected federal record.
Practice info disclaimer: Provider addresses and phone numbers come from the NPI Registry, which providers update at their discretion. Always call ahead to confirm the provider is currently accepting patients and is at the listed address.
Medical disclaimer: This page is not a quality ranking and does not constitute medical advice or endorsement. Choose a provider in consultation with your primary care physician or care team.
Source: NPI Registry (taxonomy: Radiation Oncology) · Last checked: 2026-04-20