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Meet The Team

Lee Health Regional Cancer Center has a unique partnership between private physician group partners, GenesisCare and Cleveland Clinic. Working together, our physicians, nurses, and the entire Regional Cancer Center staff can offer patients treatment for nearly every aspect of their cancer care – all under one roof. 


Cardiothoracic Surgery

  • Randall Buss, MD
  • Michael DeFrain, MD
  • Paul DiGiorgi, MD
  • David Cervantes, MD


  • Anita Arnold, DO

Clinical Nurse Specialists

  • Mary Ann Orlang, APRN, AOCNS 

Colorectal Surgery

  • Valerie R. Dyke, MD, FACS, FASCRS
  • Janette U. Gaw, MD, FACS, FASCRS
  • Jeffery A. Neale, MD, FACS, FASCRS
  • Nagesh B. Ravipati, MD, FACS, FASCRS
  • Fia Yi, MD

ENT Oncology

  • Anthony Anfuso, MD, FACS
  • Scott Larson, MD

Genetic Counseling

  • Mary Ann Orlang, APRN, AOCNS 
  • Tresa Rai Kim, GC

GYN Oncology

  • Fadi Abu Shahin, MD, FACOG
  • Edward C. Grendys, Jr., MD
  • Samith Sandadi, MD, Msc, FACOG

Lung Cancer Screening Clinic

  • Bobbi Marino MSN, APRN, FNP-BC, OCN Nurse Practitioner

Palliative Care

  • Rabia Khan, DO
  • Jonathan von Koenig, DO
  • Sara Newman, MD
  • Diana Khalil, MD
  • Leonalba Martinez, MD

Radiation Oncology

  • Constantine A. Mantz, MD
  • Keith L. Miller, MD
  • Kristina Mirabeau-Beale, MD, MPH

Surgical Oncology

  • Basan Allan, MD
  • Mark Bloomston, MD, FACS
  • Catalina Mosquera, MD