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Jonathan T. Nassos, M.D.

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Jonathan T. Nassos, M.D.

Jonathan T. Nassos, M.D. Board Certified, Fellowship-Trained
Orthopaedic & Sports Medicine Surgeon

Dr. Jonathan Nassos is a board-certified, fellowship-trained orthopaedic surgeon who specializes in the surgical and non-surgical treatment of musculoskeletal disorders and injuries, including arthroscopic surgery, joint replacement, and orthopaedic trauma. He greatly values the individual needs of each patient and is dedicated to prove the highest quality of care for his patients. He received his bachelor’s degree from the University of Illinois at Urbana-Champaign, his M.D. from Loyola University Chicago Stritch School of Medicine, and completed his residency in orthopaedic surgery at Loyola University Medical Center.

Following residency, he completed an orthopaedic sports medicine fellowship at a prestigious Kerlan-Jobe Orthopaedic Clinic in Los Angeles, California. During that time , he worked as an assistant team physician for the Los Angeles Lakers, Dodgers, Kings, Sparks, Anaheim Ducks, and Loyola Marymount University. He is active in research which he has been presented both at national and international scientific meetings. He is currently an Associate Master Instructor of Arthroscopy for the Arthroscopy Association of North America, teaching other orthopaedic surgeons about cutting-edge arthroscopic surgical procedures. He is a Fellow of the American Academy of Orthopaedic Surgeons. Dr. Nassos lives in Los Angeles with his wife Jenni, two daughters, and two dogs. He spends his free time with the family and enjoys playing tennis when he can get onto the court.

Education

2009-2010

Orthopaedic Sports Medicine Fellowship

Kerlan-Jobe Orthopaedic Clinic

Los Angeles, CA

2004-2008

Orthopaedic Surgery Resident

Loyola University Chicago Orthopaedic Surgery Residency Program

Training Sites:

  • Loyola University Medical Center, Maywood, IL
  • Edward Hines, Jr. VA Hospital, Hines, IL
  • Shriner’s Hospital for Children, Chicago, IL
  • Surgical Mission Trip, Buga, Colombia, S.A. 2006, 2007

2003-2004

Surgery Internship

Loyola University Chicago Department of Surgery

Training Sites:

  • Loyola University Medical Center, Maywood, IL
  • Edward Hines, Jr. VA Hospital, Hines, IL
  • Resurrection Medical Center, Chicago, IL

1999-2003

Doctor of Medicine

Loyola University Chicago – Stritch School of Medicine

Training Sites:

  • Loyola University Medical Center, Maywood, IL
  • Hines / VA Hospital, Maywood, IL
  • Resurrection Medical Center, Chicago, IL
  • MacNeal Hospital, Berwyn, IL

1995-1999

Bachelor of Arts, Economics, Distinction in Economics

University of Illinois, Urbana-Champaign, IL

Professional Appointments

  • Attending Staff Physician
  • 2013-Present Cedars-Sinai Medical Center, Los Angeles, CA
    Glendale Adventist Medical Center, Los Angeles, CA
    Southern California Hospital, Culver City, CA
  • 2012-Present Mission Community Hospital, Panorama City, CA
  • 2018-Present DOCS Surgical Hospital, Los Angeles, CA
  • 2012-2019 Olympia Medical Center, Los Angeles, CA
  • 2008-2012 Elmhurst Memorial Hospital, Elmhurst, IL
    Alexian Brothers Medical Center, Elk Grove Village, IL
  • 2008-2010 Swedish Covenant Hospital, Chicago, IL
  • 2009-10 Faculty Fellow
    USC University Hospital, Los Angeles, CA
  • 2008-09 Consultant
    Edward Hines, Jr. VA Hospital, Hines, IL

Employment

  • 2012-Present Nassos Orthopaedic Surgery and Sports Medicine
    CEO/Attending Physician
    Los Angeles, CA
  • 2008-2012 G & T Orthopaedics and Sports Medicine
    Attending Physician
    Chicago, IL
  • 2009-10 Orthopaedic Sports Medicine Fellow
    Kerlan-Jobe Orthopaedic Clinic
    Los Angeles, CA
  • 2004-08 Orthopaedic Surgery Resident
    Loyola University Chicago Orthopaedic Surgery Residency Program
    Maywood, IL
  • 2003-04 Surgery Intern
    Loyola University Chicago Department of Surgery
    Maywood, IL
  • 2002-03 Loyola University Chicago Stritch School of Medicine
    Medical Student Tutor
  • 1997 Hospital Administrative Intern
    Resurrection Medical Center, Chicago, IL

Honors/Awards/Grants

  • 2008 JBJS/OREF Journal Club Grant
  • 2008 Schwartz Traveling Fellowship
  • 2008 Excellence in Research Award – Loyola University Chicago,
    Department of Orthopaedic Surgery
  • 2008 OTA Resident Scholarship
  • 2007 AANA Resident Scholarship
  • 2006 Magis Award – Loyola University Medical Center
  • 2005 Unrestricted Resident Research Grant - Medtronic
  • 2003 Miller Scholarship –Loyola University Chicago Stritch School of Medicine
  • 1999 Omicron Delta Epsilon – International Honor Society for Economics
  • 1999 Dean’s List – University of Illinois at Urbana-Champaign

Publications

  • Nassos JT, ElAttrache NS, Angel MJ, Tibone JE, , Limpisvasti O, Lee TQ. Optimizing a water-tight construct in arthroscopic rotator cuff repair. J Shoulder Elbow Surg. 2012 May;21(5):589-96.
  • Nassos JT, Sullivan, J, ElAttrache NS, Mejia MR, Yocum LA. Return to play in overhead athletes following dominant arm glenohumeral dislocation.
  • Nassos JT, Ghanayem AJ, Sasso RC, Tzermiadianos MN, Voronov LI, Havey RM, Rinella AS, Carandang G, Patwardhan AG. A biomechanical evaluation of segmental occipito-atlanto-axial fixation techniques. Spine. 2009 Dec 1;34(25):2740-4.
  • Nassos JT, Chudik S. Arthroscopic rotator cuff repair with biceps tendon augmentation. Am J Orthop. 2009 Jun 38(6):279-81.
  • Nassos JT. Ghanayem AJ. Segmental stabilization of the occipitocervical junction with respect to the vertebral artery. Cont Spine Surg. 2007; 8: 1-6.
  • Nassos J, Rabin S. The medical liability crisis. Loyola Orthop J. 2005;14:64-7.
  • Nassos JT, Hopkinson WJ, Pinzur MS, Stanley SK. Lower extremity amputee functional outcomes after lower extremity fractures. Loyola Orthop J. 2004; 13:74-7.
  • Bush-Joseph C, Berger R, Virkus W, Nassos J. Selective Exposures in Orthopaedic Surgery: The Knee. (Digital media), American Academy of Orthopaedic Surgeons, Rosemont, IL. 2002.

Presentations/Abstracts

  • Shoulder Injuries, Medlegal Seminar, Glendale, CA, September 30, 2015
  • Knee Pain. Community Seminar, Los Angeles, CA, June 3, 2015
  • Knee Arthritis. Community Seminar, Los Angeles, CA, December 6, 2012.
  • The Knee. WCLA Medical Seminar, The Chicago Cultural Center, Chicago, IL, September 16, 2011.
  • Optimizing a Water-Tight Construct in Arthroscopic Rotator Cuff Repair. Nassos JT, ElAttrache N, Angel M, Tibone JE, Limpisvasti O, Lee TQ. American Shoulder and Elbow Surgeons Closed Meeting. Scottsdale, AZ, October 20-23, 2010.
  • Return to play in overhead athletes following dominant arm glenohumeral dislocation. Nassos JT, ElAttrache NS, Mejia MR, Yocum LA. Kerlan-Jobe Alumni Research Conference, Providence, RI, July 16, 2010.
  • Optimizing a water-tight construct in arthroscopic rotator cuff repair. Nassos JT, ElAttrache NS, Angel MJ, Tibone JE, Limpisvasti O, Lee TQ. Kerlan-Jobe Alumni Research Conference, Providence, RI, July 16, 2010.
  • Primary Osteoarthritis of the Elbow. Kerlan-Jobe Orthopaedic Clinic, Los Angeles, CA. April 28, 2010.
  • Valgus Instability in the Overhead Athlete. Kerlan-Jobe Orthopaedic Clinic, Los Angeles, CA. December 10, 2009.
  • The Middle Age Workout. Elmhurst Center for Health, Elmhurst, IL. October 7, 2008.
  • Massive Rotator Cuff Tears. Loyola University Medical Center, Maywood, IL. Department of Orthopaedic Surgery and Rehabilitation, Grand Rounds, June 5, 2008.
  • Valgus Instability of the Elbow in the Throwing Athlete. Loyola University Medical Center, Maywood, IL. Department of Orthopaedic Surgery and Rehabilitation, Grand Rounds, March 15, 2007.
  • Evaluation of Segmental Occipito-Atlanto-Axial Fixation Techniques with Respect to Risk to the Vertebral Artery. Ghanayem A, Nassos J, Tzermiadianos M, Voronov L, Patwardhan A. Biomechanical Cervical Spine Research Society-European Section, Berlin, Germany, May 17 – 19, 2006.
  • A Biomechanical Evaluation of Segmental Occipito-Atlanto-Axial Fixation Techniques with Respect to Risk to the Vertebral Artery. Nassos J, Tzermiadianos M, Voronov L, Ghanayem A, Patwardhan A. American Spinal Injury Association Annual Meeting, Boston, June 25-28, 2006.
  • A Biomechanical Evaluation of Segmental Occipito-Atlanto-Axial Fixation Techniques with Respect to Risk to the Vertebral Artery. Nassos J, Tzermiadianos M, Voronov L, Ghanayem A, Patwardhan A. Spine Across the Sea Annual Meeting, Maui, Hawaii, July 23-27, 2006.
  • A Biomechanical Evaluation of Segmental Occipito-Atlanto-Axial Fixation Techniques with Respect to Risk to the Vertebral Artery. Nassos J, Sasso R, Ghanayem A, Tzermiadianos M, Voronov L, Patwardhan A. NASS Annual Meeting, Seattle, Washington, September 26-30, 2006.

Professional Memberships/Committees

  • 2021 AANA Learning Center Committee
  • 2017 – Present American Journal of Sports Medicine Reviewer
  • 2015 - 16 Orthopaedic Consultant – Los Angeles Sparks
  • 2011 – 12 Orthopaedic Consultant – Chicago Rush Arena Football Team
  • 2009 - 10 Assistant Team Physician – Los Angeles Lakers
  • 2009 – 10 Assistant Team Physician – Los Angeles Dodgers
  • 2009 - 10 Assistant Team Physician – Los Angeles Kings
  • 2009 – 10 Assistant Team Physician – Los Angeles Sparks
  • 2009 – 10 Assistant Team Physician – Anaheim Ducks
  • 2009 – 10 Assistant Team Physician – Loyola Maramount University
  • 2013 – Present Los Angeles County Medical Association - Member
  • 2013 – Present California Medical Association – Member
  • 2015 - Present California Orthopaedic Assocation, Member
  • 2004 - Present American Academy of Orthopaedic Surgeons – Active Fellow
  • 2007 - Present Arthroscopy Association of North America- Active Member
  • 2009 - Present Associate Master Instructor of Arthroscopy, AANA
  • 2009 - Present American Orthopaedic Society for Sports Medicine – Active Member
  • 2007 - 08 Loyola University Chicago Stritch School of Medicine – Committee on Admissions
  • 2007 - 08 Assistant Team Physician - Loyola University Chicago
  • 2007 - 08 Assistant Team Physician – Lewis University

Licensure/Certifications

  • 2015 Subspecialty Certificate – Orthopaedic Sports Medicine
  • 2015 Expert Reviewer – Medical Board of California
  • 2015 Qualified Medical Evaluator – State of California
  • 2012 Board Certified – American Board of Orthopaedic Surgery
  • 2009-Present California License A108187
  • 2005-Present Illinois License 036114903


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Jonathan T. Nassos, M.D.