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Radiation Oncology
In 2025, 3,400 Radiation Oncology providers had general (non-research) payments reported to CMS. Half received less than $172 for the year, and nine in ten received less than $2,119.
3,400providers with payments in 2025
$172median total for the year
$2,119nine in ten received less than
$1,929average total for the year
Providers with the largest 2025 totals
Ordered by 2025 general-payment totals as reported to CMS. A large total is not evidence of wrongdoing; context is below the table.
| Provider | Location | 2025 general | All payments 2019-2025 including research |
|---|---|---|---|
| Peter Orio | Boston, MA | $453,603.14 | $1,842,573.60 |
| Shawn H Zimberg | Plainview, NY | $273,594.31 | $410,823.43 |
| Daniel W Kim | Fairfax, VA | $261,180.35 | $405,931.10 |
| Michael J Greenberg | Cherry Hill, NJ | $191,522.36 | $334,841.59 |
| Stephen G Chun | Houston, TX | $152,415.09 | $343,609.77 |
| Steven Finkelstein | Syracuse, NY | $113,263.69 | $578,031.73 |
| Sean Collins | Washington, DC | $102,699.49 | $405,397.16 |
| Peter John Rossi | Glenwood Springs, CO | $91,917.93 | $145,894.97 |
| Edward Obedian | Oyster Bay, NY | $89,662.21 | $390,843.54 |
| Paul Nguyen | Boston, MA | $72,898.67 | $721,892.71 |
| Nancy Lee | New York, NY | $70,096.96 | $233,084.39 |
| Ramji R Rajendran | Elk Grove Village, IL | $67,845.87 | $207,465.49 |
| Albert J Chang | Los Angeles, CA | $67,538.00 | $289,615.73 |
| Alexander C Whitley | Montgomery, AL | $67,116.01 | $440,627.72 |
| James D Mitchell | Walnut Creek, CA | $62,037.57 | $63,516.61 |
| Akash Nanda | Orlando, FL | $60,874.37 | $164,739.08 |
| Shravan Kandula | Orlando, FL | $58,835.26 | $443,784.50 |
| Andrew Zhuang Wang | Chapel Hill, NC | $57,729.96 | $134,242.01 |
| Rupesh Kotecha | Miami, FL | $54,951.94 | $210,255.94 |
| Dheerendra Prasad | Buffalo, NY | $52,749.37 | $178,428.61 |
| Clifford G Robinson | Saint Louis, MO | $52,567.81 | $817,468.37 |
| Benjamin Robin Schrank | Houston, TX | $50,000.00 | $100,000.00 |
| Matthew W Schwartz | Henderson, NV | $48,277.37 | $169,017.18 |
| Imran Mohiuddin | Orlando, FL | $48,252.18 | $92,500.69 |
| Jon F Strasser | Newark, DE | $46,919.99 | $365,424.10 |
| Rizwan D Nurani | Apple Valley, CA | $46,781.83 | $219,929.34 |
| Evan M Thomas | Winter Park, FL | $45,661.87 | $209,478.43 |
| Michael J Zelefsky | New York, NY | $42,258.62 | $945,867.03 |
| Joshua David Palmer | Columbus, OH | $42,127.56 | $122,511.86 |
| John Varlotto | Huntington, WV | $41,256.42 | $120,700.61 |
| Matthew Benjamin Spraker | Saint Louis, MO | $40,791.86 | $61,153.99 |
| Jameson T Mendel | El Paso, TX | $40,160.49 | $59,306.75 |
| Jonathan C Cheng | Baytown, TX | $40,101.26 | $44,705.06 |
| Aditya Juloori | Chicago, IL | $38,668.77 | $73,096.97 |
| Glen Gejerman | Hackensack, NJ | $36,844.14 | $180,283.23 |
| Percy P Lee | Irvine, CA | $36,826.95 | $141,963.62 |
| Salma K Jabbour | New Brunswick, NJ | $36,300.72 | $163,983.33 |
| Jonathan D Tward | Salt Lake City, UT | $35,442.38 | $113,858.57 |
| Parthiv S Mehta | Glenview, IL | $35,045.17 | $148,877.57 |
| Arpit Chhabra | Baltimore, MD | $35,038.84 | $97,232.19 |
| Alan L Brown | Fort Myers, FL | $34,452.35 | $167,982.06 |
| Alexander S Engelman | Tampa, FL | $34,299.87 | $80,002.96 |
| Marcio Fagundes | Miami, FL | $33,643.85 | $273,886.67 |
| Garrett B Green | Reno, NV | $33,234.15 | $37,175.18 |
| Chirag Sudhir Shah | Pittsburgh, PA | $31,721.93 | $344,066.96 |
| Vinai Gondi | Warrenville, IL | $30,522.41 | $32,402.41 |
| Jim Y Hsiang | Corpus Christi, TX | $30,386.76 | $258,259.90 |
| Han-Chih Chang | Nashville, TN | $30,234.66 | $66,043.38 |
| Pamela Parker Samson | Saint Louis, MO | $30,178.31 | $95,361.32 |
| Jessica M Frakes | Tampa, FL | $29,632.21 | $98,919.98 |
Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026).