Our Physicians

Meet your Rothman Institute Orthopaedic Physicians

Peter F. Sharkey, M.D.

Hip and Knee Surgeon
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Education

  • B.S., Syracuse University
  • M.S., Polymer Chemistry, Syracuse University
  • M.D., SUNY College of Health Sciences, Syracuse, NY
  • Residency, Orthopaedic Surgery, Thomas Jefferson University Hospital
  • Fellowship, Adult Hip and Knee Reconstruction, Rothman Institute

Titles/Certifications

  • Professor Orthopaedic Surgery, Thomas Jefferson University Hospital
  • Director, Rothman Institute at Riddle Center of Orthopaedic Excellence
  • Editor Emeritus, Seminars in Arthroplasty
  • Treasurer, American Association of Hip and Knee Surgeons

Professional Associations

  • American Orthopaedic Association
  • American Academy of Orthopaedic Surgeons
  • The Hip Society
  • The Knee Society
  • Orthopaedic Research Society
  • American Association of Hip and Knee Surgeons
  • Eastern Orthopaedic Association
  • Pennsylvania Orthopaedic Society
  • Philadelphia Orthopaedic Society
  • American Medical Association

 

Pedro K. Beredjiklian, M.D.

Hand, Wrist, and Microvascular Surgeon
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Education

  • B.S., Chemistry, Haverford College
  • M.D., Columbia University College of Physicians and Surgeons
  • Orthopaedic Surgery Residency, University of Pennsylvania
  • Fellowship, Hand and Microvascular Surgery, Hospital for Special Surgery, Cornell Medical Center

Titles/Certifications

  • Chief of Hand Surgery, Rothman Institute

Professional Associations

  • American Academy of Orthopaedic Surgeons
  • Association of Bone and Joint Surgeons
  • American Orthopaedic Association
  • American Society for Surgery of the Hand

 

Robert W. Frederick, M.D.

Sports Medicine Surgeon
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Education

  • Undergraduate Degree, Colgate University, Hamilton, NY
  • M.D., Rush Medical College, Chicago, IL
  • Orthopaedic Residency, University Hospitals of Cleveland and Case Western Reserve University
  • Fellowship, Arthroscopy and Sports Medicine, Massachusetts General Hospital and Harvard Medical School

Titles/Certifications

  • Assistant Professor of Orthopaedic Surgery, Thomas Jefferson University Hospital
  • Associate Director, Center for Sports Medicine, Rothman Institute
  • Orthopaedic Consultant, U.S. Women’s Olympic Gymnastics Team
  • Assistant Team Physician, Philadelphia Phillies and St. Joseph’s University
  • Former Assistant Team Physician – Boston Bruins, New England Patriots
  • Director of Athlete Care – Gymnastics, 1996 Olympic Games, Atlanta, GA
  • USA Team Physician – 2004 Olympic Games, Athens, Greece

Professional Associations

  • American Academy of Orthopaedic Surgeons
  • American Orthopaedic Society of Sports Medicine

 

Christopher Jon Mehallo, D.O.

Non-Surgical Sports Medicine Physician
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Education

  • B.S., Pennsylvania State University
  • D.O., Philadelphia College of Osteopathic Medicine
  • Primary Care, Sports Medicine Fellowship, Horizon Orthopedic/Lutheran Hospital, Cleveland, OH

Titles/Certifications

  • Sports Medicine Physician for Cheyney University and Neumann University
  • Editorial Board for The Osteopathic Family Physician
  • Editorial Board for Clinical Journal of Sport Medicine
  • Member of the American Osteopathic Academy of Sports Medicine Research and Publication Committee
  • Medical Director, Neumann University Athletic Training Program
  • Consultant to several Delaware County high schools

Professional Associations

  • American Osteopathic Association
  • American College of Osteopathic Family Physicians
  • American Osteopathic Academy of Sports Medicine

 

Jamal Ahmad, M.D.

Foot and Ankle Surgeon
(Click to View Specialty Services)

Education

  • M.D., University of Illinois at Chicago – College of Medicine
  • Orthopaedic Residency, State University of New York-Downstate University
  • Fellowship, Orthopaedic Foot and Ankle Surgery, Thomas Jefferson University Hospital

Professional Associations

  • Academy of Orthopaedic Surgeons
  • American Orthopaedic Foot and Ankle Society

 

Steven B. Cohen, M.D.

Sports Medicine Surgeon
(Click to View Specialty Services)

Education

  • M.D., University of Medicine and Dentistry of New Jersey – Robert Wood Johnson Medical School
  • Orthopaedic Residency, University of Virginia Health Center, Charlottesville, VA
  • Fellowship, Sports Medicine, University of Pittsburgh Medical Center

Titles/Certifications

  • Director of Sports Medicine Research at the Rothman Institute
  • Assistant Professor, Department of Orthopaedic Surgery, Thomas Jefferson University
  • Assistant Team Physician, Philadelphia Phillies and St. Joseph’s University
  • Medical Director, Philadelphia Marathon

Professional Associations

  • American Orthopaedic Society for Sports Medicine
  • Arthroscopy Association of North America
  • International Society for Arthroscopy, Knee Surgery, and Sports Medicine

 

 

Dennis W. Ivill, M.D.

Physical Medicine and Rehabilitation Physician
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Education

  • B.S., Westminster College
  • M.D., Temple University School of Medicine
  • Internship, Physical Medicine and Rehabilitation, Chestnut Hill Hospital
  • Residency, Physical Medicine and Rehabilitation, Temple University Hospital

Titles/Certifications

  • American Board of Physical Medicine and Rehabilitation
  • National Board of Medical Examiners

Professional Associations

  • American Academy of Physical Medicine & Rehabilitation
  • American Congress of Rehabilitation Medicine
  • American Medical Association
  • Association of Academic Physiatrists
  • Pennsylvania Medical Society

 

Charles L. Getz, M.D.

Shoulder and Elbow Surgeon
(Click to View Specialty Services)

Education

  • B.S., Lehigh University, Civil Engineering
  • M.D., Robert Wood Johnson Medical School
  • Surgical Internship, Orthopaedic Residency(Chief Resident), Thomas Jefferson University Hospital
  • Fellowship, Shoulder and Elbow Surgery, University of Pennsylvania

Titles/Certifications

  • Board Certified, American Board of Orthopaedic Surgeons
  • Assistant Professor, Department of Orthopaedic Surgery, Thomas Jefferson Medical School

Professional Associations

  • Fellow, American Academy of Orthopaedic Surgeons
  • President, Association of Clinical Elbow and Shoulder Surgeons
  • Pennsylvania Medical Society
  • Jefferson Orthopaedic Society

 

Jeffrey A. Rihn, M.D.

Orthopaedic Spine Surgeon
(Click to View Specialty Services)

Education

  • M.D., University of Pennsylvania
  • Residency, University of Pittsburg Medical Center
  • Spine Surgery Fellowship, Thomas Jefferson University Hospital

Titles/Certifications

  • Assistant Professor, Department of Orthopaedic Surgery, Thomas Jefferson University Hospital

Professional Associations

  • American Academy of Orthopaedic Surgeons
  • American Spinal Injury Association

 

Jeremy I. Simon, M.D.

Physical Medicine and Rehabilitation Physician
(Click to View Specialty Services)

Education

  • M.D., Thomas Jefferson University
  • Residency, Thomas Jefferson University Hospital
  • Fellowship, Orthopaedic/Spine, Under the Guidance of Dr. Michael Furman, York, PA

Titles/Certifications

  • Board Certified, Physical Medicine & Rehabilitation
  • Board Certified, Pain Medicine

Professional Associations

  • American Association of International Spine Physicians
  • North American Spine Society
  • International Spine Intervention Society
  • *Physiatric Association of Spine, Sports and Occupational Rehabilitation

 

Michael Ross, M.D.

Non-Surgical Sports Medicine Physician
(Click to View Specialty Services)

Education

  • M.D., Mount Sinai School of Medicine
  • Residency, Emergency Medicine, University of Connecticut
  • Fellowship, Sports Medicine, Crozer-Keystone Health System

Titles/Certifications

  • Board Certified Emergency Medicine
  • Board Certified Sports Medicine
  • Race Doctor – Philadelphia International Cycling Challenge
  • Team Physician – Jittery Joe’s Pro Cycling, Colavita Professional Cycling, Navigator’s Pro Cycling

Professional Associations

  • American Medical Society for Sports Medicine
  • American College of Sports Medicine

 

Barry E. Kenneally, M.D.

Non-Surgical Sports Medicine Physician
(Click to View Specialty Services)

Education

  • B.S., St. Joseph’s University
  • M.D., Jefferson Medical College
  • Primary Care, Sports Medicine Fellowship, Thomas Jefferson University Hospital

Titles/Certifications

  • Board Certified, Sports Medicine
  • Board Certified, Family Medicine

Professional Associations

  • American College of Sports Medicine
  • American Medical Society for Sports Medicine
  • American Academy of Family Physicians

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