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Steven B. Haas, MD

Orthopedic Surgery, Hip and Knee Replacement
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Photo of Dr. Haas

Steven B. Haas, MD

Orthopedic Surgery, Hip and Knee Replacement
Phone Icon Image
Hospital for Special Surgery
535 East 70th Street
New York, NY 10021

Tel: 212.606.1852
Fax: 212.288.1572
Hospital for Special Surgery
535 East 70th Street
New York, NY 10021

Tel: 212.606.1852
Fax: 212.288.1572

Dr. Steven B. Haas, MD, MPH, received his education and training at Harvard, Cornell and the University of Rochester. He is Chief of the Knee Service at Hospital for Special Surgery. Dr. Haas speaks nationally and internationally on knee and hip topics, and has more than 90 publications in the orthopedic literature.

Dr. Haas developed a ground breaking surgical technique and instrumentation for performing Minimally Invasive Knee Replacement for which he was awarded a US Patent in September 2009. This technique allows patients to recover more rapidly.

Dr. Haas has been featured as a developer and expert on Minimally Invasive Knee Replacement on WNBC News and NY1 News, and in Runner magazine, the New York Daily News, and the Cleveland Clinic Newsletter. He performed a Minimally Invasive Knee Replacement surgery that was broadcast live via webcast and also covered by WCBS News via their Twitter feed. Dr. Haas and his Minimally Invasive Knee Replacements were featured in a U.S. News & World Report Photo Essay “To Build a Knee.” Dr. Haas was featured in a segment on WCBS that highlighted his minimally invasive knee replacement procedure.

Dr. Haas helped to develop innovative High Performance Knee Replacements that allow the knee to move more naturally and was awarded a U.S. patent on this technology in 2014. CBS News with Katie Couric and Sanjay Gupta featured a segment with Dr. Haas focusing on High Performance Gender Specific Knee Replacement. Dr. Haas also appeared on WABC News and in U.S. News & World Report as an expert on Gender Knee Replacement.

Dr. Haas has pioneered the technology to obtain Custom Fit Knee Replacement and appeared on WCBS news in 2014 on Custom Knee Replacements. He also developed “Patient Matched” techniques, which use computer generated personalized instruments to accurately perform Minimally Invasive Knee Replacement.

In addition to Total Knee Replacement, Dr. Haas does minimally invasive robotic assisted Partial Knee Replacement.

Dr. Haas holds multiple United States patents for orthopedic devices that he co-developed with Hospital for Special Surgery.

Back in the Game Patient Stories


Chief of Knee Service, Hospital for Special Surgery
John N. Insall Chair, Knee Surgery
Attending Orthopedic Surgeon, Hospital for Special Surgery
Professor of Orthopedic Surgery, Weill Cornell Medical College



Castle Connolly America's Top Doctors, 2008-2019
Castle Connolly Top Doctors in New York Metro Area, 2006-2019
New York Magazine Top Doctors, 2007-2019
Healthnetwork Service Excellence Award, 2010
Phi Beta Kappa
Alpha Omega Alpha, National Honor Medical Society
Magna Cum Laude
Lewis Clark Wagner Research Award for Best Research Paper by a Resident, 1989
University Scholar in Medicine-Granted Early Admission to Medical School Through the University's "Rochester Plan" Program


Knee Society
American Academy of Orthopedic Surgeons
American Association of Hip and Knee Surgeons



Insurance Information

Please do not hesitate to contact our office if you have questions regarding your insurance coverage. You may have coverage subject to the availability of 'out-of-network' benefits.

Patient ratings for Dr. Haas

Industry Relationships

One of the goals of HSS is to advance the science of orthopedic surgery, rheumatology, and related disciplines for the benefit of patients. Physicians at HSS may collaborate with outside companies for education, research and medical advances. HSS supports this collaboration in order to foster medical breakthroughs; however HSS also believes that these collaborations must be disclosed.

As part of the disclosure process, this website lists physician collaborations with outside companies if payments were received during the prior year, or if the HSS physician currently receives payment. The disclosures are provided by information provided by the physician and other sources and are updated regularly. Further information may be available on individual company websites.

Below are the healthcare industry relationships reported by Dr. Haas as of April 04, 2019.

  • OrthAlign - Consultant; Receives royalties     
  • OpLogix (formerly Sandance Technology, LLC)- Orthosecure - Ownership interest
  • Smith & Nephew - Consultant; Receives royalties for JOURNEY II BCS and LEGION knee replacement implants

By disclosing the collaborations of HSS physicians with industry on this website, HSS and its physicians make this information available to their patients and the public, thus creating a transparent environment for those who are interested in this information. Further, the HSS Conflicts of Interest Policy does not permit physicians to collect royalties on products developed by him/her that are used on patients at HSS.

Patients should feel free to ask their HSS physicians questions about these relationships.


MD & MPH, University of Rochester School of Medicine, New York


Hospital for Special Surgery, New York


Hospital for Special Surgery, Knee Service, New York


Board Certified Orthopaedic Surgery
American Board of Orthopaedic Surgery

State Licensure

New York

Patient Education by Dr. Haas on HSS.edu

Selected Publications

Haas, S. B.; Lehman, A; Manitta, M; Minimally Invasive Total Knee Replacement Through A Mini Mid Vastus Approach. In Tria, F; Berger, R; MIS Techniques in Orthopedics. Springer-Verlag, New York( In press)

Haas, S. B.; Lehman, A; Cook, S: Minimally Invasive Total Knee Replacement. Bellemans, J; Reis, M. D; Victor, J: . Springer, New York (In press)

Haas, S. B,: Effects of Epidural Anesthesia on Incidence of Venous Thromboembolism Following Joint Replacement. Orthopaedics, 12:18-20, July, 1994

Mont MA, Haas S, Tarun M, Hungerford; Total Knee Arthroplasty for Patellofemoral Arthritis. J Bone Joint Surg Am 2002; 84(11): November, 2002

For more publications, please see the PubMed listing.

Professional Education by Dr. Haas on HSS.edu