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John Dunleavy, M.D.

Total Joint Specialist | Hip & Knee Surgeon

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Office Locations:
Danbury, Ridgefield, Southbury

Specialty Areas:
Hip and knee specialist: joint replacement surgery, total hip replacement, total and partial knee replacement, robotic assisted total hip replacement, robotic assisted partial knee replacement, revision surgery, complex hip and knee reconstruction/ revision, minimally invasive hip and knee replacement techniques, customized knee replacement

Board Certification:
Board Certified

Medical Licenses:
Connecticut and New York

Dr. John Dunleavy is a hip and knee specialist with exceptional joint replacement surgery experience. Dr. Dunleavy's extensive training encompassed orthopedic surgery, pediatric orthopedics, oncology orthopedics, and plastic surgery at some of the most highly respected hospitals along the East Coast, including St. Lukes-Roosevelt, Columbia University; Brigham and Women’s Hospital; Harvard University; and Sloan-Kettering Cancer Center. Dr. Dunleavy is an educator in his field and regularly schedules presentations and seminars on a variety of joint replacement topics.  He is passionate about delivering optimal orthopedic care for his patients and has a commitment to excellence for both orthopedic trauma and routine conditions.

Fellowship & Graduate Training:

  • Fellow: Clinical Fellow in Adult Reconstructive Surgery, Brigham and Women’s Hospital, Harvard University; Boston, MA
  • Chief Resident and Resident: Orthopedic Surgery, St. Luke’s-Roosevelt Hospital Center, Columbia University; New York, NY
  • Resident: Pediatric Orthopedic Surgery, Alfred I. duPont Institute of Pediatric Orthopedics; Wilmington, DE
  • Resident: Orthopedic Oncologic Surgery, Memorial Sloan-Kettering Cancer Center; New York, NY
  • Resident: Plastic Surgery / Burn Care, Jacobi Medical Center Burn Unit; Bronx, NY
  • Intern: General Surgery, St. Luke’s-Roosevelt Hospital Center, Columbia University; New York, NY


  • Doctor of Medicine, Georgetown University, School of Medicine; Washington, D.C.
  • B.S. in Biology, Georgetown University, College of Arts and Sciences; Washington, D.C


  • Vitals Patients’ Choice Award (2019)
  • Healthgrades Honor Roll


The MAKOplasty® Advantage

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Conditions treated:
(partial listing)

  • Total Hip Replacement Surgery (Posterior and Anterior Approach)
  • Revision Hip Replacement Surgery
  • Total Knee Replacement Surgery
  • Revision Knee Replacement Surgery
  • Arthroscopic Knee Surgery
  • Arthroscopic Hip Surgery
  • Arthritis Management (Osteoarthritis, Rheumatoid Arthritis, Psoriatic Arthritis)
  • Management of Disorders of the Hip and Knee
  • Meniscus Tear (ALC, MCL)
  • Bursitis and Tendonitis

Conditions treated:
(partial listing)

  • Total hip replacement surgery (posterior and anterior approach)
  • Revision hip replacement surgery
  • Total knee replacement surgery
  • Revision knee replacement surgery
  • Arthroscopic knee surgery
  • Arthroscopic hip surgery
  • Arthritis management  (osteoarthritis, rheumatoid arthritis, psoriatic arthritis)
  • Management of disorders of the hip and knee (??)
  • Meniscus tear (ALC, MCL)
  • Bursitis and tendonitis