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William Lawrence Hennrikus, M.D.

Professor Pediatric Orthopaedic Surgery Sports Medicine

Office Information

Penn State Hershey Pediatric Bone and Joint Institute
30 Hope Drive, Building B, Suite 2200
Hershey, PA 17033
Tel: 800-243-1455 / 717-531-7123 Fax: 717-531-0385


Orthopaedic Surgery Pediatric Orthopaedics Sports Medicine

Patient Services Provided

Adolescent Sports Medicine Hip Dysplasia Club Foot Pediatric Fractures Musculoskeletal Education for Primary Care Physicians Arthroscopy

Practice Locations

Biographical Information

William Hennrikus MD is a native of Boston. He received his medical degree from Georgetown University. He completed his Orthopaedic Residency Training at Balboa Naval Hospital in San Diego and his fellowship training at Children’s Hospital in Boston/Harvard Medical School. Dr Hennrikus is Chairman of the American Academy of Pediatrics Orthopaedic Section and a board member of the Pediatric Society of North America and the Society of Military Orthopaedic Surgeons.  Dr Hennrikus has authored more than sixty scientific articles and book chapters. In 2000, he was selected as the inaugural POSNA traveling fellow to China. Dr Hennrikus has coached youth soccer for more than 12 years. He enjoys skiing, hiking, playing basketball and tennis with his athletic wife and five wonderful children.

Professional Education

Fellowship, Pediatric Orthopaedics, Harvard Medical School (Massachusetts) (1991) Residency, Orthopaedic Surgery, Balboa Naval Hospital-San Diego (California) (1990) Internship, Transitional, Balboa Naval Hospital-San Diego (California) (1984) M.D., Georgetown University School of Medicine (District of Columbia) (1983)

Research Interests

Pediatric dysplasia Clubfoot Musculoskeletal Education for Primary Care Physicians Show all research interests »

Academic Interests

Chair American Academy of Pediatrics Orthopaedic Section Chair American Academy of Pediatrics PPC CME committee Board member Society of Military Orthopaedic Surgeons Show all academic interests »


Hennrikus W.
Pediatric ACL Injuries. Orthopaedic Knowledge Update Sports Medicine 4.
Am Academy of Orthopaedic Surgeons, Rosemont, Il.
Chapter 37, 397-403, 2009.
Hennrikus W., Mubarak S.H
Spica Casting for Femur Fracture in Young Children.
In, Master Techniques in Orthopaedic Surgery   
Pediatrics. Lippincott, Philadelphia.
Editors: Skagggs D., Tolo V. 2008.
Hennrikus W.
Elbow Injuries in Adolescent Athletes.
In, Techniques in Orthopaedics Pediatric Sports Medicine.
Editors: Drez D., DeLee J. Elsevier. 14:165-172  2006.  
Hennrikus W., Mosca V.
Pediatric Ankle. Orthopaedic Knowledge Update 8.
Am Academy of Orthopaedic Surgeons, Rosemont, Il.  2005.
Hennrikus W., Cohen M.
Complete Remodeling of Displaced Fractures of the Neck of the Phalanx.
J Bone Joint Surg. 85B:273-274, 2003.

Honors and Awards

2007 Lynda Smiley Award: California School Nurses Association-contributions to the health care of school age children 2006, 2007, 2008 Who's Who in Medicine and Surgery 2000 POSNA travelling fellowship award