Program Director

Dr. Marc Trzeciak photo

Dr. Marc Trzeciak, DO

Purdue University B.S., Biochemistry 1985
University of Osteopathic Medicine and Health Sciences Doctor of Osteopathy 1990
Chicago College of Osteopathic Medicine Rotating Internship 1990-1991
Ohio University College of Osteopathic Medicine Residency 1991-1995
Orthopaedic Research Laboratory University at Buffalo, State University of New York Research Fellowship 07/01/95 - 12/31/95
University at Buffalo, State University of New York Hand Fellowship 01/01/1996 - 12/31/1996
Lindenhof Hospital AO International Fellowship 01/06/1997- 02/14/1997
Department of Plastic and Reconstructive Surgery Chang Gung Memorial Hospital Microsurgical Fellowship 02/24/1997- 03/10/1997
Orthopedic Trauma Fellowship 04/06/1998- 06/30/1998

Assistant Program Director

Jonathan M. Pettegrew, M.D.

Dr. Jonathan M. Pettegrew, DO

University of California, Santa Barbara B.S. Biological Sciences 2001
Touro College of Osteopathic Medicine D.O. Medicine 2008
Midwestern University, Downers Grove, IL Orthopedic Surgery Resident 07/2008 - 07/2013
American Sports Medicine Institute Sports Medicine Orthopedic Surgery Fellowship 08/2013 - 07/2014

Director of Pediatric Orthopedics

Dr. Joseph Gerardi

Joseph Gerardi, DO

University of Health Sciences Medical School
U.S. Naval Hospital Internship
Naval Medical Center San Diego Residency
Texas Scottish Rite Hospital for Children Fellowship


Paul J. Braaton, M.D.

Dr. Paul J. Braaton, M.D.

Creighton University, M.D. Medical School 1983-87
Methodist Hospital Transitional Internship 1987-88
University of Tennessee - Campbell Clinic Orthopaedic Residency Program 1988-92
University of Texas Medical Branch Galveston Foot and Ankle Fellowship 1997-98
David Bybee, M.D.

Dr. David Bybee, M.D., Neurosurgery/Spine

University Of Nevada, Las Vegas Biomedical Zoology 1978
Chicago Medical School Medical School 1983
Michigan State University General Surgery 1983-1984
University of Connecticut Neurosurgery Residency 1984-89
Dr. John Casey photo

Dr. John Casey, MD

UC Berkley, Berkley CA University of the Pacific B. A. 1973
University of Guadalajara M.D. Degree 1973-1977
Rutgers Medical School 1977-1978
University of California, Davis Internship June 25, 1978 - June 30, 1979
University of California, Davis Residency July 1979 - June 1980
University of California, Davis Residency Training Program June 1980 -1984
Shriner's Hospital for Crippled Children, Honolulu, HI Pediatric Orthopaedic Rotation November 1, 1982 - March 1, 1983
No picture available, M.D.

Dr. Robert M. Cash, M.D.

University Of California, Berkeley B.S.,Molecular Biology 1980-84
University of Illinois School of Medicine Medical School 1987-1991
University of Illinois at Chicago, Department of Othropedic Surgery Residency 1991-96
Gregory Helbin, M.D.

Dr. Gregory Helbig, M.D., Neurosurgery/Spine

University Of California,Santa Cruz B.A.,Economics 1993-96
California State University, Stanislaus Post Baccalaureate 1997-2000
Indiana University School of Medicine Medical School 2000-04
Indiana University School of Medicine Surgery Internship 2004-05
Indiana University School of Medicine Enfolded Spine Fellowship 2009-10
Indiana University School of Medicine Neurosurgery Residency 2005-11
William Holmes, M.D.

Dr. William Holmes, M.D.

California State Stanislaus B.S. 1985-89
St. Louis School Medicine, M.D. Medical School 1985-89
University of California, San Francisco General Surgery Internship 1993-94
University of California, San Francisco Orthopaedic Surgery Residency 1994-98
University of California, Davis Orthopaedic Trauma Fellowship 1998-99
Dr. William Pistel

Dr. William Pistel, DO

University of North Texas Texas College of Osteopathic Medicine Degree-D.O. 1991
Lansing General Hospital - General Surgery Lansing Michigan Internship 7/91 - 7/92
Orthopaedic Surgery Michigan State University Residency H.E. Ross, D.O. 7/92 - 7/96
Trauma at Florida Orthopeadic Institute Fellowship
Benjamin J. Remington, M.D.

Benjamin J. Remington, M.D., Neurosurgery/Spine

University Of Utah B.S.,Physics 1988-91
University Of Utah, School of Medicine Medical School 1991-95
University Of Utah, School of Medicine Intern, General Surgery 1995-96
University Of Utah, School of Medicine Residency, Neurosurgery 1996-97
University of Texas Residency, Neurosurgery 1998-2001
Ehsan Tabaraee, M.D.

Ehsan Tabaraee, M.D.

University of Virginia Bachelor of Arts in Biology 08/1998 - 05/2002
Georgetown University Masters in Science in Physiology 08/2003 - 07/2004
George Washington University School of Medicine Medical Doctorate 08/2005 - 5/2009
University of California, San Francisco Orthopedic Surgery 2009-2014
RUSH University Medical Center Spine Fellowship 2014-2015
John Dowbak, MD

John Dowbak, MD

Stanford University Palo Alto, California BS in Chemistry 6/72-6/74
New York University Medical Center Medical School 9/74-6/78
University of California Irvine Rotating General Surgery Internship 6/78-6/79
University of West Virginia Medical Center, Virginia Orthopedic Surgery Residency 6/79-6/81
University of South Carolina Orthopedic Surgery Residency 6/81-6/84
James Lawrence Kernan Hospital for Crippled Children, Baltimore Pediatric Orthopedics 6/82-12/82
Mohammed Ibrahim, MD

Mohammed Ibrahim, MD

Ain Shams Medical School, Cairo, Egypt Medical School 9/93-6/00
Ain Shams University Hospital, Cairo, Egypt Rotating Internship 9/00-8/01
St Joseph Mercy-Oakland, Pontiac General Surgery Residency 7/02-6/04
San Joaquin General Hospital, Stockton General Surgery Residency 7/04-6/07
Kutz-Kleinert Institute of Hand and Microsurgery of Louisville, KY Fellowship 7/07-7/08
Wesley Kinzie, MD

Wesley Kinzie, MD

University of California Davis, Davis BS 7/75-6/77
University of Kansas Medical Center, Kansa City Medical School 8/77-6/81
University of Kansas Medical Center, Kansas City General Surgery Internship 7/81-6/82
University of Missouri at Kansas City Orthopedic Surgery Residency 7/82-6/86
AO, Bern, Switzerland Fellowship 9/86-12/86
Joint Implant Surgeons, Columbus Fellowship 1/87-6/87
Lenita Williamson, MD

Lenita Williamson, MD

Stanford University Medical School
Santa Clara Valley Medical Center Internship
Suny-downstate University Of New York Residency Orthopedic Surgery
University Of Iowa Fellowship Sports Medicine
Eric Giang, DO

Eric Giang, DO

Touro University Medical School
Rowan University-School of Osteopathic Medicine Residency Orthopedic Surgery
W.B. Carrell Memorial Clinic Fellowship Shoulder and Elbow
Kyle McClintock, DO

Kyle McClintock, DO

Kansas City University of Medicine and Biosciences Medical School
Saint Louis University Hospital (Trauma)
Cardinal Gelnnon Children's Hospital (Pediatrics)
Residency Orthopedic Surgery
The CORE Institute Fellowship Shoulder and Elbow Reconstruction