Our orthopedic experts make getting the specialty care you need as comfortable and convenient as possible. Our team of highly skilled orthopedic surgeons, neurosurgeon, and podiatrists work one-on-one with patients to provide both surgical and non-surgical treatment options. As a team, we work to fully understand your condition and your goals for recovery before recommending a treatment and continue that level of personalized care until you can return to activities—and the life you enjoy.

Our advanced, specialized care team means you don’t need to travel far to address even significant medical conditions, injuries or surgical needs. We’re always happy to provide second opinions on total joint replacements and address questions before they become problems.

Treatments and Procedures

Our orthopedic surgeons provide and offer minimally invasive outpatient surgeries through state-of-the-art surgical equipment and techniques. Over 97% of our total joint patients are discharged directly home after surgery, rather than being transferred to a rehab facility.

  • Anatomic shoulder replacement, including stemless implants
  • Reverse shoulder replacement
  • Arthroscopic labral repair of the shoulder and hip
  • Cartilage and meniscus transplant
  • Shoulder stabilization
  • Elbow arthroscopy
  • Hip and knee arthroplasty
  • Hip arthroscopy
  • Joint replacements through our dedicated Joint Replacement Program
  • Ligament reconstruction
  • Osteotomies and limb alignment correction
  • Patellar stabilization
  • Pediatric, adolescent, and adult sport injuries
  • Physical therapy
  • Primary and revision fracture care
  • Rotator cuff repair
  • Sports Medicine minimally invasive shoulder/elbow surgery
  • X-ray

Our neurosurgeons work closely with their patients, involving them in their treatment options. We can provide a wide range of tests to help diagnose your condition and the most effective, least invasive treatment plans that manage or eliminate your pain and return you back to a normal lifestyle.

  • Back pain
  • Carpal tunnel syndrome
  • Herniated discs
  • Leg pain
  • Malformations
  • Neck pain
  • Neuroma/nerve tumors
  • Spinal tumors
  • Stroke
  • Trauma
  • Trigeminal neuralgia

You’ll work directly with our board-certified podiatrists who bring extensive experience in foot and ankle surgery, and specialize in minimally invasive surgery to help get you back on your feet, faster.

  • Arch pain
  • Athlete’s foot
  • Bunions
  • Bone spurs
  • Corns and calluses
  • Diabetic foot
  • Foot infections
  • Foot ulcers
  • Fungal toenails
  • Hammertoes
  • Heel spurs
  • Neurological and vascular conditions affecting the foot and ankle
  • Neuromas
  • Plantar fasciitis
  • Soft tissue masses and other problems
  • Tailor's bunions
  • Warts

Our Doctors

The Froedtert South Medical Group orthopedic team is dedicated to making the best orthopedic care available to our neighbors here in southeastern Wisconsin and northern Illinois. Our goal is to get all of our patients to as complete or full function as possible. Understanding that healing takes time, we're here with you throughout your journey so you always know exactly where you are in the process.

Mohammad Al Sawaf, M.D.
Mohammad Al Sawaf, M.D. Orthopedic Surgeon- Shoulder and Elbow Specialist- Arthroscopic and Reconstructive Surgery
Jonathan L. Ben-Zev, M.D.
Jonathan Ben-Zev, M.D. Orthopedic Surgeon- Hip and Knee Specialist
Alan Gegenheimer, D.O.
Alan Gegenheimer, D.O. Orthopedic Surgeon
Syed Mehdi, M.D.
Syed K. Mehdi, M.D. Orthopedic Spine Surgeon- Minimally Invasive and Robotic Spine Specialist
Anthony Zacharias
Anthony Zacharias, M.D. Orthopedic Surgeon- Sports Medicine


Map of Prairie Ridge Clinic
Prairie Ridge Clinic

9697 St. Catherine's Drive
Pleasant Prairie, WI 53158

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Patient Story

He didn't tell me what to do. He was straight forward, no nonsense. He gave me my options and let me decide. I really appreciated that.

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Orthopedic Services

When you have an injury, we offer the care you need to let you focus on what’s most important – getting back to doing what you love. As physicians committed, we share in your relief and recovery, and work to help your health and restoring you to the greatest potential.