More than 30 Roswell Park Physicians Named by Castle Connolly as 2026 ‘Top Doctors’

BUFFALO, N.Y. — Roswell Park Comprehensive Cancer Center is proud to announce that 31 of its physicians have been named to Castle Connolly’s Top Doctors 2026 list. Those named to this respected annual list represent the top 7% of doctors nationwide. 

More than 47,000 nominations were received for this year’s list. Each Top Doctor was nominated by their peers through surveys and rigorously vetted by the Castle Connolly research team. 

“Roswell Park is internationally recognized for advancing cancer research and delivering exceptional patient care, and this honor affirms the impact of that work,” says Renier Brentjens, MD, PhD, Deputy Director at Roswell Park. “We are proud to see so many of our physicians acknowledged by their peers for the expertise and leadership they bring to their work and to their care for our patients.”

The Roswell Park Comprehensive Cancer Center/Roswell Park Care Network physicians featured for among the Castle Connolly Top Doctors 2026 include medical oncologists, radiation oncologists, radiologists, pain-medicine experts, surgeons, and other subspecialists. They are:

• Renier Brentjens, MD, PhD
• Amy Case, MD, FAAHPM
• Oscar De Leon-Casasola, MD
• Elizabeth Dexter, MD, FACS, FCCP
• Robert Fenstermaker, MD
• Saby George, MD, FACP
• Elizabeth Griffiths, MD
• Khurshid Guru, MD
• Mark Hennon, MD, FACS
• Francisco Hernandez-Ilizaliturri, MD
• Wesley Hicks Jr., MD, FACS
• Meghan Higman, MD, PhD
• Melissa Hoffman, MD, FAAD
• Frederick Hong, MD
• Eric Kauffman, MD
• Alan Klitzke, MD, FACNM, FACR
• Michael Krabak, MD, PhD
• Michael Kuettel, MD, PhD, MBA
• Dominick Lamonica, MD
• Shashikant Lele, MD, FACOG
• Ellis Levine, MD
• Martin Mahoney, MD, PhD
• Philip McCarthy, MD
• Laszlo Mechtler, MD, FAAN, FASN

• Chukwumere Nwogu, MD, PhD, FACS

• Robert Plunkett, MD (Emeritus faculty member)

• Dheerendra Prasad, MD, MCh, FACRO

• Denise Rokitka, MD, MPH
• Maureen Ross, MD
• Anurag Singh, MD
• Emese Zsiros, MD, PhD, FACOG (pictured above)

###

 

From the world’s first chemotherapy research to the PSA prostate cancer biomarker, Roswell Park Comprehensive Cancer Center generates innovations that shape how cancer is detected, treated and prevented worldwide. The Roswell Park team of 4,000+ makes compassionate, patient-centered cancer care and services accessible across New York State and beyond. Rated “Exceptional” by the National Cancer Institute, Roswell Park, founded in 1898, was one of the first NCI-designated comprehensive cancer centers in the country and remains the only one in Upstate New York. To learn more about Roswell Park Comprehensive Cancer Center and the Roswell Park Care Network, visit www.roswellpark.org, call 1-800-ROSWELL (1-800-767-9355) or email ASKRoswell@RoswellPark.org.