Christopher Ahmad, MD - New York Presbyterian Hospital - Columbia Presbyterian Center

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Christopher Ahmad MD

Orthopaedic Surgeon - Sports Specialty

Orthopaedic Surgeon - Academic

Primary Practice: Columbia University Medical Center

Primary Hospital: New York Presbyterian Hospital - Columbia Presbyterian Center

Main

Practice Contact

Office Address

622 W 168th St

Columbia University

New York New York 10032

US

Phone

(212) 305-5561

Clinical Expertise

Shoulder Instability and Dislocations Shoulder Arthroplasty Shoulder Rotator Cuff Repair Clavicle Fracture Tommy John Surgery UCL Primary Repair Capitellar OCD Distal Biceps Repair Elbow Arthroscopy in the Throwing Athlete Anterior Cruciate Ligament (ACL) Injuries Patellar Instability Surgery Meniscus Repair Cartilage Repair Viscosupplementation Cortisone Injections

Biography

Dr. Ahmad and his team of experts are leaders in Sports Medicine and treat every patient that walks through their door as if they were a professional athlete. Our Team takes pride in giving our patients the ultimate-VIP-experience where their injuries are handled with the utmost care. Dr. Ahmad currently serves as the Chief of Sports Medicine and as the Director of Biomechanics Research at the Center for Orthopaedic Research. He has authored more than 200 articles and 50 book chapters related to knee, shoulder, elbow, and sports medicine and has given more than 300 lectures nationally and internationally. He is the author of the textbook Pediatric and Adolescent Sports Injuries and Minimally Invasive Shoulder and Elbow Surgery. He conducts ongoing research in the areas of throwing-related injury prevention and treatment, ACL injury prevention and screening, biomechanics of the elbow, and surgical techniques for rotator cuff repair and shoulder instability.

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Primary Practice

Primary practice

Columbia University Medical Center

Hospital Affiliations

PRIMARY HOSPITAL

New York Presbyterian Hospital - Columbia Presbyterian Center

(212) 305-2500

Education & Training

FELLOWSHIP

Kerlan - Jobe Orthopedic Clinic

RESIDENCY

New York Presbyterian Hospital (Columbia Campus) Program

INTERNSHIP

New York Presbyterian Hospital (Columbia Campus) Program

Publications

PMID: 19487133 J Shoulder Elbow Surg. 2009 Sep-Oct;18(5):680-8.. PMID: 19487133 (Link to Abstract)

Simulation of surgical glenoid resurfacing using three-dimensional computed tomography of the arthritic glenohumeral joint: the amount of glenoid retroversion that can be corrected.

Douglas D Nowak Maher J Bahu Thomas R Gardner Marc D Dyrszka William N Levine Louis U Bigliani Christopher S Ahmad

Douglas, JSES 2009

PMID: 20044489 J Am Acad Orthop Surg. 2010 Jan;18(1):20-30. PMID: 20044489 (Link to Abstract)

Current treatment strategies for bicolumnar distal humerus fractures.

Gregory J Galano Christopher S Ahmad William N Levine

Gregory, JAAOS 2010

PMID: 18196359 Clin. Orthop. Relat. Res.. 2008 Mar;466(3):652-60. PMID: 18196359 (Link to Abstract)

Surgical treatment of winged scapula.

Gregory J Galano Louis U Bigliani Christopher S Ahmad William N Levine

Gregory, CORR 2008

PMID: 16210574 Am J Sports Med. 2006 Mar;34(3):370-4. PMID: 16210574 (Link to Abstract)

Effect of gender and maturity on quadriceps-to-hamstring strength ratio and anterior cruciate ligament laxity.

Christopher S Ahmad A Martin Clark Niels Heilmann J Scott Schoeb Thomas R Gardner William N Levine

Christopher, AJSM 2006

PMID: 18490476 Am J Sports Med. 2008 Jun;36(6):1193-205. PMID: 18490476 (Link to Abstract)

The outcome of elbow ulnar collateral ligament reconstruction in overhead athletes: a systematic review.

Mark A Vitale Christopher S Ahmad

Mark, AJSM 2008

PMID: 15523013 J Bone Joint Surg Am. 2004 Nov;86-A(11):2424-30.

Medial collateral ligament strain with partial posteromedial olecranon resection. A biomechanical study.

Srinath Kamineni Neal S ElAttrache Shawn W O'driscoll Christopher S Ahmad Hirotsune Hirohara Patricia G Neale Kai-Nan An Bernard F Morrey

Srinath, JBJS 2004

PMID: 17531513 J Shoulder Elbow Surg. 2007 Sep-Oct;16(5):569-73. Epub 2007 May 24.

Nonoperative management of idiopathic adhesive capsulitis.

William N Levine Christine P Kashyap Sean F Bak Christopher S Ahmad Theodore A Blaine Louis U Bigliani

William, JSES 2007

PMID: 17582789 J Shoulder Elbow Surg. 2007 Jul-Aug;16(4):396-402. Epub 2007 Jun 20.

Total shoulder replacement compared with humeral head replacement for the treatment of primary glenohumeral osteoarthritis: a systematic review.

Craig S Radnay Kevin J Setter Locky Chambers William N Levine Louis U Bigliani Christopher S Ahmad

Craig, JSES 2007

PMID: 20190104 J Am Acad Orthop Surg. 2010 Mar;18(3):139-48.

Surgical treatment of distal biceps rupture.

Karen M Sutton Seth D Dodds Christopher S Ahmad Paul M Sethi

Karen, JAAOS 2010

PMID: 21628648 J Am Acad Orthop Surg. 2011 Jun;19(6):368-79.

Optimizing the management of rotator cuff problems.

Robert A Pedowitz Ken Yamaguchi Christopher S Ahmad Robert T Burks Evan L Flatow Andrew Green Joseph P Iannotti Bruce S Miller Robert Z Tashjian William C Watters 3rd Kristy Weber Charles M Turkelson Janet L Wies Sara Anderson Justin St Andre Kevin Boyer Laura Raymond Patrick Sluka Richard McGowan American Academy of Orthopaedic Surgeons

Robert, JAAOS 2011

PMID: 21553773 Instr Course Lect. 2011;60:191-7.

Elbow arthroscopy: valgus extension overload.

Christopher S Ahmad John E Conway

Christopher, Instr Course Lect. 2011

PMID: 15726071 J Shoulder Elbow Surg. 2005 Jan-Feb;14(1 Suppl S):12S-18S.

Biomechanics of shoulder capsulorrhaphy procedures.

Christopher S Ahmad Vincent M Wang Matthew T Sugalski William N Levine Louis U Bigliani

Christopher, JSES 2005

PMID: 22207515 J Am Acad Orthop Surg. 2012 Jan;20(1):17-27.

Hemiarthroplasty for three- and four-part proximal humerus fractures.

Edwin R Cadet Christopher S Ahmad

Edwin, JAAOS 2012

PMID: 23572098 Am J Sports Med. 2013 Sep;41(9):2191-202. Epub 2013 Apr 9.

Elbow arthroscopic surgery update for sports medicine conditions.

Ian R Byram H Mike Kim William N Levine Christopher S Ahmad

PMID: 23996985 J Am Acad Orthop Surg. 2013 Sep;21(9):538-47.

Proximal humerus and humeral shaft nonunions.

Edwin R Cadet Bob Yin Brian Schulz Christopher S Ahmad Melvin P Rosenwasser

Edwin, JAAOS 2013

PMID: 23703914 Am J Sports Med. 2013 Dec;41(12):2933-47. Epub 2013 May 23.

Evaluation and management of hamstring injuries.

Christopher S Ahmad Lauren H Redler Michael G Ciccotti Nicola Maffulli Umile Giuseppe Longo James Bradley

Christopher, AJSM 2013

PMID: 19468906 Curr Rev Musculoskelet Med. 2008 Dec;1(3-4):197-204.

Elbow medial collateral ligament injuries.

Ra'kerry K Rahman William N Levine Christopher S Ahmad

Ra'kerry, MSKM 2008

PMID: 24695921 J Bone Joint Surg Am. 2014 Apr 2;96(7):549-55.

Arthroscopic Hill-Sachs remplissage: a systematic review.

John A Buza 3rd Jaicharan J Iyengar Oke A Anakwenze Christopher S Ahmad William N Levine

John, JBJS 2014

PMID: 15474228 Clin Sports Med. 2004 Oct;23(4):665-76, x.

Valgus extension overload syndrome and stress injury of the olecranon.

Christopher S Ahmad Neal S ElAttrache

PMID: 12642256 Am J Sports Med. 2003 Mar-Apr;31(2):221-5.

Codominance of the individual posterior cruciate ligament bundles. An analysis of bundle lengths and orientation.

Christopher S Ahmad Zohara A Cohen William N Levine Thomas R Gardner Gerard A Ateshian Van C Mow

Christopher, AJSM 2003

PMID: 25630370 J Am Acad Orthop Surg. 2015 Mar;23(3):190-201. Epub 2015 Jan 28.

Reverse shoulder arthroplasty for the management of proximal humerus fractures.

Charles M Jobin Balazs Galdi Oke A Anakwenze Christopher S Ahmad William N Levine

Charles, JAAOS 2015

PMID: 24406120 J Shoulder Elbow Surg. 2014 Apr;23(4):e73-80. Epub 2014 Jan 7.

Reverse shoulder arthroplasty for acute proximal humerus fractures: a systematic review.

Oke A Anakwenze Stephen Zoller Christopher S Ahmad William N Levine

PMID: 21416203 Clin Orthop Relat Res. 2011 Dec;469(12):3337-43.

Precontoured plating of clavicle fractures: decreased hardware-related complications?

Corinne VanBeek Karen J Boselli Edwin R Cadet Christopher S Ahmad William N Levine

Corinne, CORR 2011

PMID: 16325092 Arthroscopy. 2005 Nov;21(11):1381-95.

Ulnar collateral ligament of the elbow.

Marc Safran Christopher S Ahmad Neal S Elattrache

Marc, ASCOPY 2005

PMID: 15369001 Orthopedics. 2004 Aug;27(8):823-6.

Thermal capsulorrhaphy.

William N Levine Louis U Bigliani Christopher S Ahmad

William, ORTHO 2004

PMID: 17077341 J Am Acad Orthop Surg. 2006 Nov;14(12):693-700.

Elbow valgus instability in the throwing athlete.

Christopher S Ahmad Neal S ElAttrache

Christopher, JAAOS 2006

PMID: 15494323 Am J Sports Med. 2004 Oct-Nov;32(7):1607-12.

Elbow medial ulnar collateral ligament insufficiency alters posteromedial olecranon contact.

Christopher S Ahmad Maxwell C Park Neal S Elattrache

Christopher, AJSM 2004

PMID: 15466738 J Bone Joint Surg Am. 2004 Oct;86-A(10):2268-74.

Dynamic contributions of the flexor-pronator mass to elbow valgus stability.

Maxwell C Park Christopher S Ahmad

Maxwell, JBJS 2004

PMID: 22265767 J Shoulder Elbow Surg. 2012 Oct;21(10):1278-88. Epub 2012 Jan 21.

The cost-effectiveness of reverse total shoulder arthroplasty compared with hemiarthroplasty for rotator cuff tear arthropathy.

Marcus P Coe R Michael Greiwe Rohan Joshi Benjamin M Snyder Lauren Simpson Anna N A Tosteson Christopher S Ahmad William N Levine John-Erik Bell

Marcus, JSES 2012

PMID: 26991567 Am J Orthop (Belle Mead NJ). 2016 Mar-Apr;45(3):144-51.

Valgus Extension Overload in Baseball Players.

Franklin E Paulino Diego C Villacis Christopher S Ahmad

Franklin, AJO 2016

PMID: 29719012 Am J Orthop (Belle Mead NJ). 2018 Apr;47(4)

Proximal Humerus Fracture 3-D Modeling.

Krishn Khanna Eugene W Brabston Usama Qayyum Thomas R Gardner William N Levine Charles M Jobin Christopher S Ahmad

PMID: 30094140 Arthrosc Tech. 2018 Jul;7(7):e705-e710. Epub 2018 Jun 4.

Elbow Arthroscopy for Treatment of Valgus Extension Overload.

Manish S Noticewala Danica D Vance David P Trofa Christopher S Ahmad

PMID: 28160922 J Shoulder Elbow Surg. 2017 Mar;26(3):369-375.

Relative individual workload changes may be a risk factor for rerupture of ulnar collateral ligament reconstruction.

Robert A Keller Nima Mehran Lafi S Khalil Christopher S Ahmad Neal ElAttrache

Robert, JSES 2017

PMID: 25624360 J Am Acad Orthop Surg. 2015 Feb;23(2):77-86.

Evaluation and management of pediatric proximal humerus fractures.

Charles A Popkin William N Levine Christopher S Ahmad

Charles, JAAOS 2015

PMID: 30771825 J Shoulder Elbow Surg. 2019 Mar;28(3):407-414.

Subscapularis tenotomy versus lesser tuberosity osteotomy during total shoulder arthroplasty for primary osteoarthritis: a prospective, randomized controlled trial.

William N Levine Julianne Munoz Stephanie Hsu Ian R Byram Louis U Bigliani Christopher S Ahmad Pinkawas Kongmalai Jamal N Shillingford

William, JSES 2019

PMID: 23845400 Am J Sports Med. 2014 Feb;42(2):485-91. Epub 2013 Jul 11.

Posterolateral rotatory instability of the elbow.

Oke A Anakwenze Vamsi K Kancherla Jaicharan Iyengar Christopher S Ahmad William N Levine

PMID: 28489712 J Am Acad Orthop Surg. 2017 Jun;25(6):421-426.

Maximizing Surgical Skills During Fellowship Training.

Brian Shiu Djuro Petkovic William N Levine Christopher S Ahmad

Brian, JAAOS 2017

PMID: 31108042 Am J Sports Med. 2019 Jul;47(8):1915-1920. Epub 2019 May 20.

Performance and Return to Sport After Open Reduction and Internal Fixation of the Olecranon in Professional Baseball Players.

Brandon J Erickson Peter N Chalmers John D'Angelo Kevin Ma Christopher S Ahmad Anthony A Romeo

Brandon, AJSM 2019

PMID: 31913662 Am J Sports Med. 2020 02;48(2):359-369. Epub 2020 Jan 8.

Rethinking Patellar Tendinopathy and Partial Patellar Tendon Tears: A Novel Classification System.

Mikhail Golman Margaret L Wright Tony T Wong T Sean Lynch Christopher S Ahmad Stavros Thomopoulos Charles A Popkin

Mikhail, AJSM 2020

PMID: 27125506 Curr Rev Musculoskelet Med. 2016 Jun;9(2):232-9.

Osteochondritis dissecans of the elbow.

Ryan W Churchill Julianne Munoz Christopher S Ahmad

Ryan, MSKM 2016

PMID: 23823048 Orthopedics. 2013 Jul;36(7):e905-11.

Hemiarthroplasty for head-split fractures of the proximal humerus.

R Michael Greiwe Rodrigo Vargas-Ariza Louis U Bigliani William N Levine Christopher S Ahmad

PMID: 30896975 Am J Sports Med. 2019 04;47(5):1103-1110. Epub 2019 Mar 21.

Comparison of Outcomes Based on Graft Type and Tunnel Configuration for Primary Ulnar Collateral Ligament Reconstruction in Professional Baseball Pitchers.

Timothy B Griffith Christopher S Ahmad Prakash Gorroochurn John D'Angelo Michael G Ciccotti Joshua S Dines David W Altchek Christopher L Camp

Timothy, AJSM 2019

PMID: 29683338 Am J Sports Med. 2019 04;47(5):1263-1269. Epub 2018 Apr 23.

Ulnar Nerve Complications After Ulnar Collateral Ligament Reconstruction of the Elbow: A Systematic Review.

Jason B Clain Mark A Vitale Christopher S Ahmad David E Ruchelsman

Jason, AJSM 2019

PMID: 19963401 J Shoulder Elbow Surg. 2010 Mar;19(2):180-3. Epub 2009 Dec 5.

Interobserver and intraobserver reliability of the Walch classification in primary glenohumeral arthritis.

Douglas D Nowak Thomas R Gardner Louis U Bigliani William N Levine Christopher S Ahmad

Douglas, JSES 2010

PMID: 17363295 J Shoulder Elbow Surg. 2007 Jul-Aug;16(4):e6-9. Epub 2007 Mar 23.

Arthroscopic reduction and suture anchor fixation for a displaced greater tuberosity fracture: a case report.

Edwin R Cadet Christopher S Ahmad

Edwin, JSES 2007

PMID: 32534846 J Shoulder Elbow Surg. 2020 Dec;29(12):e462-e467. Epub 2020 Jun 12.

The impact of age on 30-day complications following shoulder instability surgery.

Ajay S Padaki Venkat Boddapati T Sean Lynch David Kovacevic Charles M Jobin Christopher S Ahmad William N Levine

Ajay, JSES 2020

PMID: 24731385 Arthroscopy. 2014 Jul;30(7):866-71. Epub 2014 Apr 14.

Surgical treatment of posterolateral rotatory instability of the elbow.

Oke A Anakwenze Dennis Kwon Evan O'Donnell William N Levine Christopher S Ahmad

Oke, ASCOPY 2014

PMID: 23172331 J Bone Joint Surg Am. 2012 Nov 21;94(22):e164.

Long-term follow-up of shoulder hemiarthroplasty for glenohumeral osteoarthritis.

William N Levine Charla R Fischer Duong Nguyen Evan L Flatow Christopher S Ahmad Louis U Bigliani

William, JBJS 2012

PMID: 34881347 Orthop J Sports Med. 2021 Dec;9(12):23259671211055726. Epub 2021 Dec 2.

Return-to-Sport Outcomes After Primary Ulnar Collateral Ligament Reconstruction With Palmaris Versus Hamstring Tendon Grafts: A Systematic Review.

David P Trofa Michael Constant Connor R Crutchfield Nicholas J Dantzker Bryan M Saltzman T Sean Lynch Christopher S Ahmad

David, Orthop J Sports Med. 2021

PMID: 23439107 Am J Sports Med. 2013 Apr;41(4):894-902. Epub 2013 Feb 25.

Characterizing bone tunnel placement in medial ulnar collateral ligament reconstruction using patient-specific 3-dimensional computed tomography modeling.

Ian R Byram Krishn Khanna Thomas R Gardner Christopher S Ahmad

PMID: 33835949 J Am Acad Orthop Surg Glob Res Rev. 2021 Apr 09;5(4) Epub 2021 Apr 9.

Nonsurgical Management of Ulnar Collateral Ligament Injuries.

Hasani W Swindell David P Trofa Frank J Alexander Julian J Sonnenfeld Bryan M Saltzman Christopher S Ahmad

PMID: 37972422 Knee. 2023 Nov 14;46:8-18. Epub 2023 Nov 14.

Increased age and modified fragility index increases risk of short-term complications after anterior cruciate ligament reconstruction surgery.

Jack Zhong Nathan J Lee Ajay Padaki Connor Crutchfield Christopher S Ahmad David Trofa T Sean Lynch

Jack, KNEE 2023