Orthopaedic Advisory Team
Dr. Daniel Daluga, M.D.
Dr. Daniel Daluga, MD, is Board Certified in Orthopaedic Surgery and in Sports Medicine with over 35 years of clinical experience. A partner of Lafayette Orthopaedic Clinic in Lafayette, IN and a Clinical Assistant Professor of Orthopaedic Surgery at the Indiana University School of Medicine. He earned his medical degree at the University of Illinois at Chicago in 1983, completed his residency at the Loyola Medical Center in Maywood, IL, with fellowships in Total Joints, Sports Medicine, and AO Trauma at the Ohio State University, St. Luke’s Hospital in Chicago, and the University of Toronto, respectively.
Dr. Michael E. Highhouse, M.D.
Dr. Michael Highhouse is an experienced orthopaedic surgeon at Unity Hospital in Lafayette, IN with nearly 30 years experience in the operating room. Dr. Highhouse earned his medical degree at the University of South Florida College of Medicine and completed his residency in orthopaedic surgery at the Michigan State University’s Kalamazoo Center for Medical Studies.
Dr. Mark Klaassen, M.D., F.A.C.S.
Orthopedic Surgeon Mark Klaassen learned early on what caring for others is all about. The son of missionaries, he grew up in Colombia where the positive impact of helping others was tightly woven into his character. This childhood experience made him fluent in Spanish. He returned home to the U.S. as a 15-year-old to continue his education, culminating in the MD degree he earned from the Indiana University School of Medicine at Notre Dame and the I.U. Medical Center. He completed his orthopedic surgery residency at Lutheran Hospital of Indiana and is a Fellow of the American College of Surgeons and the American Academy of Orthopaedic Surgeons. Dr. Klaassen is an active member of the American Association of Hip and Knee Surgeons.
Throughout his career he has been a mentor to other orthopedic surgeons throughout the U.S. and other countries, providing instruction on advanced orthopedic surgical techniques and procedures – many of which he was instrumental in developing. For example, Dr. Klaassen was a pioneer in advancing the use of the patient’s own autologous platelets to energize the healing process and accelerate recovery following joint replacement surgery.
Dr. Klaassen’s areas of specialized expertise include knee, hip and shoulder total joint replacement, and arthroscopic surgery. He currently serves as Professor of Practice in the College of Sciences at the University of Notre Dame. Dr. Klaassen is a consultant and Developer for Biomet, OrthoSensor and Iconacy.
Dr. Jeff Lawrence, M.D.
Jeffrey M. Lawrence, MD, graduated Magna Cum Laude from Harvard University, where he also played varsity football. He studied medicine at Northwestern University Medical School, served an internship in General Surgery at Loyola University Medical Center (Maywood, IL) and then served a residency in Orthopaedic Surgery at Loyola. He then completed a fellowship at the Anderson Clinic in Joint Arthroplasty – the reconstruction or replacement of arthritic joints. In addition to primary joint replacement surgery, Dr. Lawrence also performs complex reconstructions and revisions of previously replaced joints. He formerly was a clinical instructor in the Department of Orthopaedic Surgery at Loyola University and an attending surgeon at Hines Veterans Administration Hospital in Maywood, IL.
Dr. Lawrence was in private practice in Highland Park, IL, a suburb north of Chicago, for four years. He moved with his wife and two sons to Viroqua in March 1997.
Dr. Lawrence has authored numerous articles, book chapters and has given many presentations regarding Joint Arthroplasty, which have appeared in the Journal of Bone and Joint Surgery, Clinical Orthopaedics and Related Research, Orthopaedic Clinics of North America, Journal of Arthroplasty and Orthopaedic Review. He is a member of the American Medical Association, the American Academy of Orthopaedic Surgeons, The American Association of Hip and Knee Surgeons and the Arthroscopy Association of North America. Nationally recognized, Dr. Lawrence has been featured in US News and World Report. Dr. Lawrence is certified by the American Board of Orthopaedic Surgeons.
Dr. Jeffrey Mcintosh, M.D.
Dr. Jeffrey Mcintosh is an orthopedic surgeon in Mount Vernon, IL and is affiliated with multiple hospitals in the area, including Crossroads Community Hospital, Good Samaritan Regional Health Center, and Salem Township Hospital. He received his medical degree from Johns Hopkins University School of Medicine and has been in practice 32 years. He is one of 3 doctors at Crossroads Community Hospital and one of 10 doctors at Good Samaritan Regional Health Center who specialize in Orthopaedic Surgery.
Dr. Pasquale Petrera, M.D.
Dr. Pasquale Petrera is an orthopedic surgeon in Salisbury, Maryland and is affiliated with Peninsula Regional Medical Center. He received his medical degree from Albany Medical College and has been in practice for more than 20 years.
Dr. Leamon D. Williams, M.D.
Leamon Williams Jr., M.D., a native to Fort Wayne who attended Homestead High School, joined Ortho NorthEast in 2001. He came to ONE as a Board Certified Orthopaedic Surgeon who practices general orthopaedics in Warsaw, Indiana. Dr. Williams enjoys spending time with his wife Heather and their children. He also enjoys activities such as tennis, golf, skiing, piano, and lake activities. He is an avid sports fan and enjoys following college football.