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General Surgery Residency Faculty

Mercy Catholic Medical Center’s faculty members bring their day-to-day experience of caring for patients into their approach to teaching. Their commitment is reflected in their willingness to share the knowledge and skills they have developed over their professional lifetime. Each faculty member, a board-certified physician in his or her specialty, strives to provide a quality and productive experience for residents during the transitional year.

Ali S. Ahmadinejad, MD

  • Dr. Ali AhmadinejadSpecialty: General and Vascular Surgery
  • Clinical Assistant Professor of Surgery, Drexel University College of Medicine

Orlando Castillo, MD

  • Dr. Orlando CastilloSpecialty: General Surgery

Leon E. Clarke, MD

  • Dr. Leon ClarkeSpecialty: General Surgery
  • Vice Chair, Department of Surgery, Mercy Philadelphia Hospital
  • Clinical Assistant Professor of Surgery, Drexel University College of Medicine

Orville Domingo, MD

  • Dr. Orville DomingoProgram Director, Surgical Residency Program, Mercy Catholic Medical Center
  • Specialty: General and Vascular Surgery
  • Clinical Assistant Professor of Surgery, Drexel University College of Medicine

John B. Fobia, MD

  • Dr. John FobiaSpecialty: General and Vascular Surgery

E. Adam Goldenberg, MD

  • Specialty: Minimally Invasive Surgery and Bariatric SurgeryDr E. Adam Goldenberg

Kent Haas, MD

  • Dr. Kent HaasSpecialty: Vascular Surgery
  • Clinical Assistant Professor of Surgery, Drexel University College of Medicine

Farrukh A. Khan, MD

  • Dr. Farrukh A. KhanSpecialty: General and Vascular Surgery
  • Associate Program Director, Department of Surgery
  • Clinical Assistant Professor of Surgery, Drexel University College of Medicine

J. March Maquilan, MD

  • Dr. J. March MaquilanSpecialty: Thoracic Surgery

Archit A. Naik, MD, MBA

  • Dr. Archit NaikSpecialty: General/Breast Surgery

Prashanth Ramachandra, MD

  • Dr. Prashanth RamachandraChair, Department of Surgery, Mercy Catholic Medical Center
  • Director, Mercy Bariatrics
  • Specialty: General Surgery and Bariatric Surgery
  • Clinical Assistant Professor of Surgery, Drexel University College of Medicine

Chris D. Tzarnas, MD

  • Dr. Chris TzarnasSpecialty: Plastic Surgery
  • Clinical Associate Professor of Surgery, Drexel University College of Medicine

Steven J. Weiss, MD

  • Dr. Steven WeissSpecialty: Cardiothoracic Surgery
  • Clinical Assistant Professor of Surgery, Drexel University College of Medicine