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​Meet Our Staff & Faculty at the Orthopaedic Surgery Residency Program

James A. DeLullo, MDJames A. DeLullo, MD
Program Director

  • Medical School: Wright State University
  • Residency: Orthopaedic Surgery - UPMC Hamot
  • Fellowship: Sports Medicine/Trauma - Allegheny General Hospital
  • Certifications: Orthopaedics - American Board of Orthopaedic Surgery

Mary Beth Cermak, MD

  • Medical School: Temple University School of Medicine
  • Residency: Orthopaedic Surgery - West Virginia Univ Hospitals
  • Fellowship: Upper Extremity/Hand Surgery - University of Pennsylvania
  • Certifications: Hand Surgery, Orthopaedic Surgery - American Board of Orthopaedic Surgery

Gary J. Cortina, MD

  • Medical School: Jefferson Medical College
  • Residency: Orthopaedic Surgery - UPMC Hamot
  • Fellowship: Spine and Hand Surgery - Allegheny General Hospital
  • Certifications: Orthopaedics - American Board of Orthopaedic Surgery
  • Memberships: American Academy of Orthopaedic Surgeons, Erie County Medical Society, Pennsylvania Medical Association, Pennsylvania Orthopaedic Society, Eastern Orthopaedic Association
  • Areas of Special Interest: Shoulder and knee orthopaedic surgery; hip and knee replacement surgery.

John M. Hood, MD

  • Medical School: Hahnemann University School of Medicine
  • Residency: Orthopaedic Surgery - UPMC Hamot
  • Fellowship: Hand Surgery - Hospital of the University of Pennsylvania
  • Certifications: Hand Surgery, Orthopaedic Surgery - American Board of Orthopaedic Surgery

Mark A. Krahe, DO

  • Medical School: Philadelphia College of Osteopathic Medicine
  • Internship: Traditional Osteopathic Internship – South Pointe Hospital
  • Residency: Orthopaedic Surgery – South Pointe Hospital
  • Fellowship: Foot and Ankle Surgery – Orthopaedic Foot & Ankle Center

Jeffrey A. Nechleba, MD

  • Medical School: State University of New York at Buffalo School of Medicine
  • Residency: Orthopaedic Surgery - UPMC Hamot
  • Certifications: American Board of Orthopaedic Surgery
  • Memberships: AMA - American Medical Association, American Academy of Orthopaedic Surgeons, American Orthopaedic Association, Pennsylvania Orthopaedic Society
  • Areas of Special Interest: Orthopaedic surgery, joint replacement, sports medicine, fracture care

Carl Y. Seon, MD

  • Medical School: State University of New York at Buffalo School of Medicine
  • Residency: Orthopaedic Surgery - UPMC Hamot
  • Fellowship: Shoulder and Elbow Surgery - Thomas Jefferson University Hospital
  • Areas of Special Interest: Shoulder surgery

Nick Stefanovski, MD

  • Medical School: Temple University School of Medicine
  • Residency: Orthopaedic Surgery - UPMC Hamot
  • Certifications: American Board of Orthopaedic Surgery

D. Patrick Williams, DO

  • Medical School: Chicago College of Osteopathic Medicine
  • Residency: Orthopaedic Surgery - Grandview Hospital and Medical Center
  • Fellowship: Hand Surgery - Cleveland Clinic Foundation
  • Certifications: Hand Surgery, Orthopaedic Surgery - American Osteopathic Board of Orthopaedic Surgery

Contact Us

For more information regarding the Orthopaedic Residency Program at UPMC Hamot, please contact Jane Horetsky, GME senior department manager, at 814-877-6253 or horetskyj@upmc.edu.