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Scott J. Ellis, MD

Foot and Ankle

About Dr. Ellis


Dr. Scott J. Ellis is an Orthopedic Surgeon at HSS. He is an expert in reconstructive surgery of the foot and ankle and treats a wide range of foot and ankle problems and injuries in patients from active seniors to professional athletes. 

Dr. Ellis specializes in Achilles disorders including acute tears and more chronic degeneration (also called tendinosis). He treats a vast array of patients with ankle fractures and has performed hundreds of total ankle replacements for severe ankle arthritis. Additionally, Dr. Ellis specializes in the surgical correction of bunions in both men and women, flatfoot deformity, sports injuries related to ankle instability, cartilage injuries, foot fractures, dislocations, and big toe arthritis (hallux rigidus). 

Dr. Ellis is a Professor of Orthopedic Surgery at Weill Cornell Medical College and, in addition to seeing patients, he teaches and conducts research focused on improving surgical outcomes. He is also the Director of Research for the Department of Foot and Ankle at HSS. He is a past Board member of the American Orthopedic Foot & Ankle Society (AOFAS) and past President of the AOFAS Foundation. Dr. Ellis has authored numerous papers, including on the surgical correction of flatfoot deformity. 

Beginning his academic study at Davidson College in North Carolina, where he attained numerous academic honors. Dr. Ellis later began his medical training at the Johns Hopkins University School of Medicine. He then completed his residency in orthopedic surgery at HSS. After residency, Dr. Ellis remained at HSS as a fellow in foot and ankle surgery. Following his fellowship, he traveled to Duke University (with Dr. James DeOrio), Lyon, France (with Dr. Michel Bonnin), and Basel, Switzerland (with Dr. Beat Hintermann) in order to expand his knowledge in foot and ankle surgery, total ankle replacement in particular. 

For more information, visit www.footandanklenewyork.com

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Specialized Centers

Total Ankle Replacement Center
HSS Center for Regenerative Medicine

Special Expertise

Foot and Ankle Arthritis
     - Total Ankle Replacement
     - Big Toe Arthritis (Hallux Rigidus)
Foot and Ankle Trauma
     - Ankle Fractures
     - Lisfranc Injuries
Foot and Ankle Deformity
     - Bunion and Hammertoe
Adult Acquired Flatfoot (Posterior Tibial Tendon Insufficiency)
Sports Injuries of the Foot and Ankle
     - Osteochondral Lesions of the Talus
Ankle Instability
Achilles Tendon Rupture and Degeneration


Ankle Fusion
Total Ankle Replacement
Big Toe Fusion
ORIF (Open Reduction - Internal Fixation) for Foot and Ankle Fractures
Post-traumatic Reconstruction of the Foot and Ankle
Bunion Reconstruction
Reconstruction of the Adult Acquired Flatfoot (Posterior Tibial Tendon Insufficiency)
Ankle Arthroscopy
Ankle Ligament Reconstruction
Achilles Tendon Repair and Reconstruction
Hammertoe Correction

Patient Stories


Patient ratings for Dr. Ellis


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If your insurance is not listed, please call our office if you have questions regarding your insurance coverage. If you have out-of-network benefits, then your insurance may reimburse you for a portion of your office visit. We will work with you and your insurance to minimize your out-of-pocket costs. Financial assistance may be available for patients in need.



Attending Orthopedic Surgery, Hospital for Special Surgery
Professor of Orthopedic Surgery, Weill Cornell Medical College
Attending Orthopedic Surgery, NewYork-Presbyterian Hospital
Chair, Foot and Ankle Service Registry Steering Committee, Hospital for Special Surgery
Director of Research, Foot and Ankle Service, Hospital for Special Surgery
Editorial Board, Hospital for Special Surgery Journal
Professional Education Council, Hospital for Special Surgery
Global Education Council, Hospital for Special Surgery


American Orthopaedic Association (AOA), 2016-present
American Medical Association (AMA), 2012-present
American Orthopaedic Foot & Ankle Society (AOFAS), 2011-present
President, Orthopaedic Foot & Ankle Foundation, 2018
Member-at-large, AOFAS Board of Directors, 2015-2017
American Academy of Orthopaedic Surgeons (AAOS), 2011-present
New York State Society of Orthopaedic Surgeons (NYSOS), 2005-present


Board Certified, Orthopaedic Surgery, 2010


Castle Connolly Top Doctor - 5 Years
Castle Connolly Top Doctors in New York Metro Area, 2015-2022
Castle Connolly Regional Top Doctor, 2014-2020
New York Magazine Top Doctors, 2017-2022
Elected as Member to the American Orthopaedic Association, 2016
HSS Foot and Ankle Fellowship Teaching Award, 2016
AOFAS Goldner Award (best basic science paper) Summer Meeting, 2014
Winner, AOFAS Mann Award (best clinical paper) AOFAS Summer Meeting, 2014
American Orthopaedic Foot and Ankle Society (AOFAS) Traveling Fellowship, 2009
NIH Research Fellow, Intramural Research Training Award, 2000


BA, Davidson College, North Carolina, 1996
MD, The Johns Hopkins University School of Medicine, Baltimore, Maryland, 2002


General Surgery, NewYork-Presbyterian Hospital, New York, 2003


Orthopaedic Surgery, Hospital for Special Surgery, New York, 2007


Foot and Ankle Surgery, Hospital for Special Surgery, New York, 2008

State Licensure


English, Spanish, Bilingual

For My Patients

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Foot and Ankle Education

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Meet My Physician Assistant

Stephen Costigliola, RPA-C
Physician Assistant to Dr. Scott Ellis

Photo of Stephen Costigliola, RPA-CStephen Costigliola is a certified physician assistant licensed in the state of New York. A native New Yorker, Stephen was born and raised in Queens, New York. He received his Bachelor of Science in Physician Assistant Studies at St. Francis College, and is board certified through the National Commission of Certification of Physician Assistants (NCCPA). He started his career in 2003, working as PA in Emergency Medicine. In 2007, Stephen began practicing General Orthopedics and Trauma, and has been specializing in Foot & Ankle Surgery since joining Hospital for Special Surgery in 2010.

As a Certified Physician Assistant, Stephen provides services that would otherwise be performed by physicians. His duties include assisting Dr. Ellis in surgery as well as seeing patients in the office. In order to accommodate patients in a timely manner, Stephen also routinely sees patients by himself during initial visits (for both chronic foot disorders as well as emergent injuries), for pre-op surgical planning, and routine post-op care.

Learn more about the duties and training of physician assistants at AAPA.org.

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Surgical Locations

Dr. Ellis performs surgery at the following locations:

Publications by Dr. Ellis

Patient Education

Professional Education

Editorial Appointments

Reviewer, Clinical Orthopaedics and Related Research, 2007-present
Reviewer, The HSS Journal, 2008-present
Reviewer, Journal of Orthopaedic Research, 2010-present
Reviewer, Foot and Ankle International, 2013-present
Member Editorial Board, HSS Journal, 2013-present
Editor, Total Ankle Arthroplasty Today. Eds. M. Bonnin and S.J. Ellis.  CIC Edizioni Internazionali, Rome, 2012.

Selected Books/Chapters

S.J. Ellis, M. Roberts. Surgical Management of Failed Great Toe Arthroplasty.  Arthritis and Arthroplasty: The Foot and Ankle.  eds. JC Coetzee and SR Hurwitz. Elsevier, Philadelphia, 2010.  341-350.

B.R. Williams, S.J. Ellis, J.Yu, J.T. Deland.  Stage IV Adult-Acquired Flatfoot Deformity Deltoid Ligament Reconstruction.  Operative Techniques in Orthopaedic Surgery.  ed. V Prisk.  Elsevier, Philadelphia, 20(3) September 2010.  183-189.

S.J. Ellis, B.R. Williams, J.Yu, J.T. Deland. Spring Ligament Reconstruction for Advanced Flatfoot Deformity with the use of an Achilles Allograft.  Operative Techniques in Orthopaedic Surgery.  ed. V Prisk.  Elsevier, Philadelphia, 20(3) September 2010.  175-182.

S.J. Ellis, J.K. DeOrio. The INBONE Total Ankle  Replacement.  Operative Techniques in Orthopaedic Surgery.  ed. V Prisk.  Elsevier, Philadelphia, 20(3) September 2010.  201-210.

S.J. Ellis, L. Moril, J.T. Deland.  The Scandinavian Total Ankle Replacement (STAR) System.  Seminars in Arthroplasty.  Ed. SM Raikin. Elsevier. Philadelphia, 21(4) December 2010.  275-281.

S.J. Ellis, M. Drakos, A. Daluiski.  The Hand.  The Hospital for Special Surgery Guide to Orthopaedic Surgery.  eds. TP Sculco, M Lim, AS Ranawat, A Pearle.  Lippincott, Williams, and Wilkins,  Philadelphia, 2012.

C. Demetracopoulos, S.J. Ellis.  Evolution of Concepts in Total Ankle Arthroplasty.  Total Ankle Arthroplasty Today. Ed. M. Bonnin.  CIC Edizioni Internazionali.  Rome, 2012

S.J. Ellis.  The Adult Acquired Flatfoot Deformity.  Case Files: Orthopaedics.  Eds. E. Toy, A. Rosenbaum, J. Dines, T. Roberts.  McGraw-Hill, New York, March, 2013.  313-321.

E. Vulcano, C. Demetracopoulos, S.J. Ellis.  Surgical Management of Insufficiency Fractures: Foot.  Insufficiency Fractures.  The AAOS Monograph Series.  Eds. A. Saleh.  Rosemont, IL, The American Academy of Orthopaedic Surgeons.  March, 2014.  Pages 57-70.



American Orthopaedic Foot and Ankle Society Research Grant (Outreach and Education Fund, OEF), 2014-2015
Hospital for Special Surgery Medical Student Research Fellowship Program Award. Academic Summer, 2014
The British Orthopaedic Foot and Ankle Society Grant, 2013-2014
Hospital for Special Surgery Medical Student Research Fellowship Program Award. Academic Summer, 2013
Joseph Lane Research Grant (Hospital for Special Surgery Internal Grant), 2011-2012
American Orthopaedic Foot and Ankle Society Research Grant (Outreach and Education Fund, OEF), 2010-2011
Hospital for Special Surgery Medical Student Research Fellowship Program Award. Academic Summer, 2010
American Orthopaedic Foot and Ankle Society Research Grant (Outreach and Education Fund, OEF), 2009-2010
Eduardo Salvati Research Grant (Hospital for Special Surgery Internal Grant), 2005-2007

Research Interests

Adult Acquired Flatfoot (Posterior Tibial Tendon Insufficiency)
Plantar Pressure Measurement
Total Ankle Arthroplasty
Patient Expectations and Outcomes

Industry Relationships

Industry Relationships

HSS has a long history of supporting appropriate relationships with industry because they advance HSS's mission to provide the highest quality patient care, improve patient mobility, and enhance the quality of life for all, and to advance the science of orthopedic surgery, rheumatology, and their related disciplines through research and education.

Below are the healthcare industry relationships reported by Dr. Ellis as of February 21, 2023.

  • American Orthopaedic Foot and Ankle Society - President
  • Foot and Ankle International/Orthopaedics - Board Member
  • Foot Innovate - Editor
  • HS2, LLC - Ownership Interest
  • HSS ASC of Manhattan, LLC - Ownership Interest
  • International Weight Bearing CT Society - Board Member
  • Nextremity - Royalties
  • Orthopaedic Foot Club - Board Member
  • Paragon 28 - Consultant
  • Vilex, LLC - Consultant
  • Wolters Kluwer - Author or Editor
  • Wright Medical - Consultant; Honoraria

HSS and its physicians make this information available to patients and the public, thus creating a transparent environment for those who are interested in this information. Further, the HSS Conflicts of Interest and Commitment Policy prohibits physicians from collecting royalties on products they develop that are used on patients at HSS.

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

Dr. Ellis in the News