Providing specialized orthopedic care at six convenient locations across Northeast Wisconsin. Click to find a location near you.
(920) 560-1000
Clinic Locations


Care Team

Carissa Ranieri, APNP

About Peter Eggert, M.D.

Dr. Eggert, an Appleton native, is an orthopedic surgeon who joined OSI in 2020. He specializes in arthroscopic reconstruction of the knee and shoulder and also performs orthopedic fracture care and total joint replacements.

As a lifelong athlete, Dr. Eggert has a special interest in taking care of other athletes through ACL reconstruction, cartilage restoration, rotator cuff repair, and by treating shoulder instability. He also served as the assistant team physician for the University of Wisconsin-Madison football team during the 2019-2020 football season. 

Dr. Eggert is a member of the American Academy of Orthopedic Surgeons, the American Medical Association, the American Society for Sports Medicine, and the Arthroscopy Association of North America. In his free time, he enjoys running, playing golf, fishing, and spending time outdoors with his wife and two children.

Primary Specialties


  • Creighton University School of Medicine
  • Internship & Residency: Medical College of Wisconsin
  • Fellowship: Orthopedic Sports Medicine, University of Wisconsin

Patient Reviews

Additional Specialties

  • Fracture care
  • Knee arthroscopy: ACL reconstruction, cartilage restoration, meniscal repair
  • Robotic assisted joint replacement (hip, knee)
  • Shoulder arthroscopy: rotator cuff repair, shoulder instability
  • Shoulder replacement
  • Sports medicine
  • Trauma
  • Workers’ Compensation