Devin C Flaherty, DO, Ph.D., FACOS, FACS,  is a fellowship-trained surgical oncologist and board-certified general surgeon. He attended medical and graduate school at the University of North Texas Health Science Center, completing a doctorate in both osteopathic medicine and integrative physiology. Dr. Flaherty then completed his internship and residency in general surgery at the Rowan University School of Osteopathic Medicine in Stratford, New Jersey. Dr. Flaherty received specialty training in surgical oncology through a fellowship at the John Wayne Cancer Institute in Santa Monica, California.

He performs operations for benign and malignant endocrine disease. Dr. Flaherty’s recent research activities have focused on the prognostic implications of immunoprofiling and body mass index in colon cancer, surgical treatment approaches toward metastatic melanoma, and a review of the application of radiofrequency ablation for liver malignancies.

Dr. Flaherty aims to provide comprehensive cancer care in a compassionate manner, utilizing open, minimally invasive, and robotic surgical techniques to achieve optimal oncologic outcomes.

Common conditions treated include:

  • Colon cancer
  • Rectal cancer
  • Small intestine (bowel) cancer
  • Esophageal cancer
  • Stomach (gastric) cancer
  • Liver cancer
  • Pancreatic cancer
  • Tumors of the soft tissues and skin
  • Benign and malignant diseases of the thyroid, parathyroid, an adrenal glands

Dr. Flaherty belongs to the following professional organizations:

  • American Osteopathic Association
  • American College of Osteopathic Surgeons (Fellow)
  • Society of Surgical Oncology
  • American College of Surgeons (Fellow)

Academic Appointment

  • Assistant Clinical Professor of Surgery (Virginia Commonwealth University – Richmond, VA)
Insurances Accepted:
Aetna PPO, Aetna HMO, Aetna IND, Aetna/Coventry POS, Aetna/Coventry WC, Aetna/Coventry HMO, Aetna/Coventry MCD, Aetna/Coventry MCR, Aetna/Coventry PPO, AmeriHealth MCD, Anthem HMO, Anthem PPO, Anthem MCR, Anthem MCD, Cigna PPO, Cigna HMO, General CHA, General PPO, General MCD, General MCR, General HMO, General POS, General IND, HealthSmart PPO, Highmark HMO, Highmark MCR, Highmark MCD, Highmark PPO, Highmark IND, Humana MCR, Innovation POS, Innovation PPO, Innovation VH PPO, INTotal Health MCD, Multiplan POS, Multiplan PPO, Optima PPO, Optima MCD, The Health Plan MCD, The Health Plan PPO, The Health Plan MCR, TRICARE CHA, UniCare WV MCD, United HMO, United MCR, United PPO, VA Premier MCD, VHN PPO
Winchester Medical Center
Fellow of the American College of Surgeons (FACS) 2018
Fellow of the American College of Osteopathic Surgeons (FACOS) 2017
American College of Osteopathic Surgeons Robert C. Erwin Literary Award (First Place) 2016
Inaugural Recipient of Rowan School of Osteopathic Medicine Resident Golden Scalpel Award 2014
University of North Texas Health Science Center Chancellor’s Award for Scholarly Excellence 2009
Department of Surgery Award for Research Excellence in Surgery (Texas College of Osteopathic Medicine) 2009
Dean’s Award for Research Excellence (Texas College of Osteopathic Medicine) 2009
  • Training
  • DaVinci Robotics Console Surgeon Training 2016
  • DaVinci Robotics First Assistant Training 2013
  • Board Certification
  • General Surgery
  • Fellowship
  • Surgical Oncology Fellowship John Wayne Cancer Institute Santa Monica, CA
  • Residency
  • Surgical Residency University of Medicine and Dentistry of New Jersey / Rowan University School of Osteopathic Medicine Stratford, NJ
  • Internship
  • Surgical Internship University of Medicine and Dentistry of New Jersey / Rowan University School of Osteopathic Medicine Stratford, NJ
  • Medical School
  • Doctorate of Osteopathic Medicine Texas College of Osteopathic Medicine Fort Worth, TX
  • College
  • Graduate School (Doctorate of Philosophy in Integrative Physiology) University of Texas Graduate School of Biomedical Sciences Houston, TX
  • Undergraduate School (Bachelor of Arts in Biology) Baylor University Waco, TX
Medical Interests
Areas of Interest:
  • Complex general surgical oncology
  • Diseases of the liver, pancreas, and GI tract
  • Treatment of melanoma and soft tissue malignancies