510 Saybrook Road, Middletown, Connecticut 06457 | 860.346.2267
Middlesex Center for
Advanced Orthopedic Surgery


Located in Central CT, MCAOS is licensed by the State of Connecticut as an Ambulatory Surgical Center, certified by Medicare and accredited by the Accreditation Association for Ambulatory Health Care (AAAHC).

Our Mission

Middlesex Center for Advanced Orthopedic Surgery is committed to the enhancement of life by providing access to quality surgical care services delivered in an efficient, cost-effective manner. MCAOS provides effective outpatient services using modern, state-of-the-art technology in a friendly and caring environment by highly skilled, compassionate staff serving Middlesex County and surrounding communities. We  strive to provide a "5 Star" level of service to our patients and surgeons, by providing them with the kind of personal attention they deserve.

Each physician at MCAOS is a Board Certified Orthopedic surgeon. Whether you are looking for sports medicine, foot and ankle, or a general orthopedics physician, our doctors are here to meet your needs.


The Middlesex Center for Advanced Orthopedic Surgery continually invests in the latest surgical and diagnostic technology, and has been a pioneer in performing complex surgical procedures in the outpatient setting. 

  • Orthopedics and Sports Medicine, including arthroscopy and open procedures of the knee, shoulder, ankle, elbow and hip; fracture and tendon repairs, foot surgery, spine surgery, Achilles tendon repair, hand surgery including carpal tunnel release and trigger finger surgery.
  • Pain Management, including epidural steroid injections, joint injections and facet injections.
  • Spine Surgery, including Anterior Cervical Disc & Fusion , Disc surgery and Pain Managent procedures.

Meet our Surgeons »

Ownership Disclosure

Middlesex Center for Advanced Orthopedic Surgery is owned by Middlesex Hospital (50%) and Orthos Holding Company, LLC (50%).

Orthos Holding Company, LLC is owned by the following physicians;

  • Adebola Adeleke, DPM
  • Jeffrey Bash, M.D.
  • Lawrence Berson, M.D.
  • David Hergan, M.D.
  • Alfred Hicks, D.O
  • Michael Kuhn, M.D.
  • Thomas Larson, M.D.
  • Mark Lorenze, M.D.
  • Steven Luster, M.D.
  • Ryan Naujoks, M.D.
  • Sean O'Donnell, M.D.
  • Terry Reardon, M.D.
  • Joseph Sohn, M.D.
  • James Walsh, M.D.
  • Martin White, M.D.
Patient Testimonials


The very best experience I've ever had. Everyone from start to finish is impressive. The staff, the Doctors are one-of-a-kind amazing! Thank you all so much;). Hope to have my next procedure with you."

- Deb M
MCAOS Announcements
  • 12/30/2016
    Middlesex Center for Advanced Orthopedic Surgery is re- accredited!
    learn more >>
  • 12/30/2013
    MCAOS Receives Three Year Accreditation from Ambulatory Accreditation Association for Health Care
    learn more >>
  • 9/10/2013
    Your Right To Know/ Advance Directives and Living Wills
    learn more >>
© 2023 Middlesex Center for Advanced Orthopedic Surgery
Orthopedic Surgeons in Connecticut (CT)
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