Hip and knee replacement · New York City
H. John Cooper, MD
Board-certified, fellowship-trained orthopedic surgeon specializing in direct anterior approach hip replacement, robotic knee replacement, and complex revision surgery.
Professor of Orthopedic Surgery
Division of Hip & Knee Reconstruction
Columbia University Irving Medical Center
NewYork-Presbyterian Hospital
Midtown · Uptown · Westchester

- in surgical practice in NYC
- 15 years
- a year, in each of the last three years
- 650+ surgical cases
- including 190 peer-reviewed papers
- 200+ publications
- as a Castle Connolly Top Doctor, 2019 to 2026
- 8 consecutive years
Procedures
Direct anterior hip replacement
Replacement of the hip through an incision at the front of the hip. Read how it works, who it suits, and what recovery involves.
Read moreRobotic knee replacement
Total and partial knee replacement planned and performed with robotic assistance, used for effectively every total knee since 2020.
Read moreRevision hip and knee replacement
Surgery for replacements that have become painful, loose, worn or infected, including complex cases.
Read moreNonoperative hip and knee care
Diagnosis and treatment of hip and knee pain without surgery, including targeted physical therapy and steroid, gel and PRP injections, led by Dr. Cooper's two experienced physician assistants and supervised by him.
Read moreTraining
- Undergraduate
- Duke University, Bachelor of Science in Engineering in mechanical engineering and materials science, with a second major in biological anthropology and anatomy; summa cum laude, 2002
- Medical school
- Columbia University College of Physicians & Surgeons, 2006
- Residency
- Orthopedic surgery, Lenox Hill Hospital; chief resident, 2010
- Fellowship
- Adult reconstructive orthopaedic surgery, Rush University Medical Center and Central DuPage Hospital, Chicago
- Board certification
- American Board of Orthopaedic Surgery
- Practice
- 15 years of surgical practice in New York City:
Lenox Hill Hospital | Northwell (2012–2016)
Columbia | NewYork-Presbyterian (2017–present)
Practice
- Focus
- 87% of surgical cases are hip and knee arthroplasty
- Primary hip
- 292 total hip replacements in 2026, effectively all through the direct anterior approach since the start of practice
- Primary knee
- 232 total knee replacements in 2026, effectively all robotic-assisted since 2020
- Revision
- 67 revision or conversion hip and knee procedures in 2026
- Robotics
- Used in 99% of all primary hip and knee replacements
Recognition
- Top Doctor
-
Castle Connolly Top Doctor, eight consecutive years, 2019 to 2026
New York Super Doctors, six consecutive years, 2021 to 2026
- Patient ratings
- Vitals Patient's Choice and Compassionate Doctor recognition
- Societies
- The Hip Society, The Knee Society, British Hip Society, AAOS, AAHKS, American Orthopaedic Association, International Society for Technology in Arthroplasty, Eastern Orthopaedic Association
- Research awards
- Best Video Technique, Anterior Hip Foundation; AAOS Orthopaedic Video Theater, award winner and honorable mention, adult hip reconstruction; Young Investigator Award, The Knee Society; Ranawat Award, Eastern Orthopaedic Association; multiple best poster awards from the AOA, AAHKS and the Orthopaedic Research Society
- Editorial
- Associate Editor, Direct Anterior Approach to Hip Reconstruction, Second Edition; Associate Editor Panel (Adult Hip), The Journal of Bone and Joint Surgery; reviewer for JBJS, CORR, JAAOS and the Journal of Arthroplasty
- Leadership
- Director of Research, Center for Hip & Knee Replacement; Research and Publications Committee, Anterior Hip Foundation; Research Committee, AAHKS; AAOS Instructional Course Committee (Adult Reconstruction Hip), 2017 to 2021
- Teaching
- Charles H. Neer, M.D. Teacher of the Year, New York Orthopaedic Hospital at Columbia; James A. Nicholas Award for Excellence in Residency Education, Lenox Hill Hospital
Offices
Uptown
Herbert Irving Pavilion161 Fort Washington Avenue, 2nd floor
New York, NY 10032 Map and directions
Insurance and Scheduling
Call (212) 305-6959 to schedule. Most major insurance plans are accepted by Columbia, NYP, and Dr. Cooper. Please contact the office to confirm that your insurance plan is accepted.
Schedule a surgical consultation
Appointments are available at the Midtown, Uptown and Westchester offices.
Textbook
The Direct Anterior Approach to Hip Reconstruction, Second Edition
Dr. Cooper is an Associate Editor. View the book on Amazon.