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MCMC Internal Medicine Residency Program Faculty & Staff

Meet Our Faculty

Our program has a faculty of more than 80 full-time, part-time and voluntary physicians who possess outstanding academic qualifications and are dedicated to developing skilled physicians who are well prepared to meet today’s health care challenges. MCMC physician-educators actively participate in all aspects of the program's curriculum, which has greatly added to residents’ patient interactions.

Eric Green, MD, MSc, FACP




Manzoor A. Rather, MD, MRCP, FACP

  • Manzoor A. Rather, M.D., MRCP, FACP Internal Medicine Residency Associate Director, Mercy Catholic Medical Center
  • Director, Hospitalist Program, Mercy Fitzgerald Hospital
  • Specialty: Internal Medicine



Michael J. Korman, MD, FACP, FCCP

  • Internal Medicine Residency Assistant Director, Mercy Catholic Medical Center
  • Specialties: Internal Medicine and Pulmonary Medicine
  • Recognized as a Top Doc in Pulmonary Medicine, Philadelphia magazine, May 2014

Dominic J. Valentino, III, DO, FCCP

  • Dr. Dominic ValentinoMedical Director of Critical Care, Mercy Fitzgerald Hospital
  • Director of Osteopathic Medical Education, Mercy Catholic Medical CenterProgram Director, Transitional Year Residency and Rotating Internship, Mercy Catholic Medical Center
  • Specialties: Internal Medicine, Pulmonary Medicine, Critical Care and Sleep Medicine 


Stanley Berger, MD, FACC

  • Dr. Stanley BergerSection Chief, Cardiology, Mercy Philadelphia Hospital
  • Specialty: Cardiovascular Disease

Mervyn D. Danilewitz, MD, FACP, MBA

  • Dr. Mervyn DanilewitzSection Chief, Gastroenterology, Mercy Philadelphia Hospital
  • Specialty: Gastroenterology

Scott Forman, DO

  • Scott Forman, DOProgram Director, Osteopathic Internal Medical Residency, Mercy Catholic Medical Center
  • Specialty: Internal Medicine 




Ravindra Hallur, MD

  • Director, Hospitalists Program, Mercy Philadelphia Hospital
  • Dr. Ravindra HallurSpecialty: Internal Medicine

Jay Hubsher, MD

  • Dr. Jay HubsherSpecialty: Nephrology

Steven Lichtenstein, DO

  • Section Chief, Gastroenterology, Mercy Fitzgerald Hospital
  • Specialty: Gastroenterology

Ted E. Martynowicz, DO

  • Specialty: Infectious Diseases

William B. McNamee, Jr., MD

  • Section Chief, Infectious Diseases, Mercy Fitzgerald Hospital
  • Specialty: Infectious Diseases 



José Missri, MD

  • Dr. José MissriChair, Department of Medicine, Mercy Catholic Medical Center
  • Chair, Graduate Medical Education Committee, Mercy Catholic Medical Center
  • Designated Institutional Official
  • Specialties: Internal Medicine and Cardiology



Mary Musuku, MD

  • Dr. Mary MusukuSpecialty: Geriatric Medicine

Martin O'Riordan, MD

  • Dr. Martin O'RiordanSection Chief, Cardiology, Mercy Fitzgerald Hospital
  • Specialty: Cardiovascular Disease

Ajay Pillai, MD

  • Dr. Ajay PillaiMedical Director, Sleep Disorders Centers, Mercy Fitzgerald Hospital and Mercy Suburban Hospital
  • Specialties: Pulmonary Medicine, Critical Care and Sleep Medicine

Richard M. Plotzker, MD

  • Specialty: Endocrinology

Edward Ruby, MD

  • Section Chief, Endocrinology, Mercy Fitzgerald Hospital
  • Specialty: Endocrinology

Meet Our Staff

Pam Fierro
Administrative Director, Graduate Medical Education
Betty Rogers
Graduate Medical Education Coordinator

Beth Silver-Cummons
Program Coordinator

Marge Anderlonis
Administrative Secretary
Janet Thorp
Administrative Assistant

More Information

For more information about the Internal Medicine Residency Program at Mercy Catholic Medical Center, please call 610.237.4958 or email us at