• INDIANA UNIVERSITY HEALTH MEDICAL GROUP
  July 2021 - present
• THE PERMANENTE MEDICAL GROUP
  August 2007 - May 2021

• UNIVERSITY OF PENNSYLVANIA,
  Philadelphia, Pennsylvania
  Shoulder and Elbow Surgery Fellowship, August 2006 - July 2007
  Fellowship Faculty: Gerald R. Williams, Jr., MD, Matthew L. Ramsey, MD, David L. Glaser, MD, and Charles L. Getz, MD
• MICHIGAN STATE UNIVERSITY KALAMAZOO CENTER FOR MEDICAL STUDIES
  (Now affiliated with Western Michigan University), Kalamazoo, Michigan
  Orthopedic Surgery Residency, July 2001 - June 2006
  Program Director: E. Dennis Lyne, MD
• UNIVERSITY OF MICHIGAN MEDICAL SCHOOL,
  Ann Arbor, Michigan
  Doctor of Medicine, June 2001
  Orthopedic Research Laboratories, May 1998 – December 1998
• STANFORD UNIVERSITY,
  Stanford, California Bachelor of Science in Biological Sciences, June 1997

• Dillon MT, Chan PH, Prentice HA, Burfeind WE, Yian EH, Singh A, Paxton EW, Navarro, RA. The Association Between Glenoid Component Design and Revision Risk in Anatomic Total Shoulder Arthroplasty. Journal of Shoulder and Elbow Surgery 2020;29(10):2089-2096.
• Dillon MT, Prentice HA, Burfeind WE, Chan PH, Navarro RA. The increasing role of reverse total shoulder arthroplasty in the treatment of proximal humerus fractures. Injury 2019;50(3):676-680.
• Dillon MT, Denard PJ, ShARC Group, Werner BC. Results of Anatomic Total Shoulder Arthroplasty with the Arthrex EclipseTM Stemless Humeral Implant in Patients Over 70. Journal of Shoulder and Elbow Surgery 2025;34(9):e750-e756.
• Dillon MT, Prentice HA, Burfeind WE, Chan PH, Navarro RA. The increasing role of reverse total shoulder arthroplasty in the treatment of proximal humerus fractures. Injury 2019;50(3):676-680.

• Menendez ME, Williams GR, De A, Sterling O, Anakwenze OA, Weber SC, Kuhn JE, Sanchez-Sotelo J, Taylor SA, Jarrett C, Dillon MT, Chalmers PN, Hettrich C, Garrigues GE. Is there a Difference in Revision Rates for Matched vs Mismatched Components in Shoulder Arthroplasty? A Shoulder and Elbow Registry Study. American Academy of Orthopedic Surgeons 2025 Annual Meeting, San Diego, California, March 10-14, 2025. (Podium by Weber SC)
• Menendez ME, Williams GR, De A, Sterling O, Anakwenze OA, Weber SC, Kuhn JE, Sanchez-Sotelo J, Taylor SA, Jarrett C, Dillon MT, Chalmers PN, Hettrich C, Garrigues GE. Is there a Difference in Revision Rates for Matched vs Mismatched Components in Shoulder Arthroplasty? A Shoulder and Elbow Registry Study. 14th International Congress of Arthroplasty Registries, Christchurch, New Zealand, February 19-21, 2025. (Poster)
• Smith MP, Dillon MT, Kozlowski RJ, Jang Y. Internal Joint Stabilizer for Acute Elbow Instability: A Comparative Study. 79th Annual Meeting of the American Society for Surgery of the Hand, Minneapolis, Minnesota, September 19-21, 2024. (Poster)
• Tabeayo ED, Chan PH, Prentice HA, Burfeind WE, Dillon MT, Otarodifard K, Singh A. Critical Shoulder Angle is Correlated to Failure of Anatomic Total Shoulder Arthroplasty. American Shoulder and Elbow Surgeons 2021 Annual Meeting, Tampa, Florida, December 14-17, 2021. (Podium by Singh A)
• McElvany MD, Prentice HA, Barovick LG, Kang JR, Navarro RA, Dillon MT. Risk factors for early return to care following same-day discharge primary shoulder arthroplasty. 10th International Congress of Arthroplasty Registries (2nd Virtual Meeting), Copenhagen, Denmark, November 11-13, 2021. (Podium by Navarro RA)
• Chan DP, Prentice HA, Barovick LG, Navarro RA, Yian EH, Dillon MT. Pain and Falls seen as top reasons for return to care following primary elective shoulder arthroplasty in United States cohort. 10th International Congress of Arthroplasty Registries (2nd Virtual Meeting), Copenhagen, Denmark, November 11-13, 2021. (Podium by Chan D)
• Tabeayo ED, Chan PH, Prentice HA, Burfeind WE, Dillon MT, Otarodifard K, Singh A. Critical Shoulder Angle is Correlated to Failure of Anatomic Total Shoulder Arthroplasty. 10th International Congress of Arthroplasty Registries (2nd Virtual Meeting), Copenhagen, Denmark, November 11-13, 2021. (e-Poster)
• McElvany MD, Prentice HA, Barovick LG, Kang JR, Navarro RA, Dillon MT. Risk factors for early return to care following same-day discharge primary shoulder arthroplasty. American Academy of Orthopedic Surgeons 2021 Annual Meeting, San Diego, California, August 31-September 3, 2021. (Podium by McElvany MD)
• Tabeayo ED, Chan PH, Prentice HA, Burfeind WE, Dillon MT, Otarodifard K, Singh A. Critical Shoulder Angle is Correlated to Failure of Anatomic Total Shoulder Arthroplasty. American Academy of Orthopedic Surgeons 2021 Annual Meeting, San Diego, California, August 31-September 3, 2021. (Poster)
• Dillon MT, Chan PH, Prentice HA, Burfeind WE, Yian EH, Singh A, Paxton EW, Navarro, RA. The Association Between Glenoid Component Design and Revision Risk in Anatomic Total Shoulder Arthroplasty. 9th Annual International Congress of Arthroplasty Registries (1st Virtual Congress), Adelaide, Australia, November 14-15, 2020. (Podium by Dillon MT).
• Julien TP, Chan PH, Prentice HA, Paxton EW, Dillon MT, Navarro RA. The association between total lymphocyte count defined malnutrition and revision and mortality risks following primary elective shoulder arthroplasty. 9th Annual International Congress of Arthroplasty Registries (1st Virtual Congress), Adelaide, Australia, November 14-15, 2020. (Podium by Navarro RA).
• Dillon MT, Chan PH, Prentice HA, Burfeind BE, Yian E, Singh A, Paxton L, Navarro, RA. The Association Between Glenoid Component Design and Revision Risk in Anatomic Total Shoulder Arthroplasty. American Academy of Orthopedic Surgeons 2020 Annual Meeting, Orlando, Florida, March 24-28, 2020. (Accepted as Podium by Dillon MT, meeting cancelled due to COVID-19 pandemic)
• Zeltser D, Burfeind B Jr, Prentice H, Harris J, Navarro R, Mirzayan R, Dillon M, Foroohar A. Total Elbow Arthroplasty (TEA) Today: A Review of 172 Patients From Over the Last 10 Years. American Academy of Orthopedic Surgeons 2020 Annual Meeting, Orlando, Florida, March 24-28, 2020. (Accepted as Podium by Zeltser D, meeting cancelled due to COVID-19 pandemic)
• Dillon MT, Donsti M, Vance MC. Patient and Procedure Specific Variables Associated with Revision or Removal of Radial Head Arthroplasty. American Shoulder and Elbow Surgeons 2019 Annual Meeting, New York, New York, October 17-19, 2019. (Podium by Dillon MT)
• Dillon MT, Chan PH, Prentice HA, Burfeind BE, Yian E, Singh A, Paxton L, Navarro, RA. The Association Between Glenoid Component Design and Revision Risk in Anatomic Total Shoulder Arthroplasty. American Shoulder and Elbow Surgeons 2019 Annual Meeting, New York, New York, October 17-19, 2019. (Poster)
• Apfel A, Lin CS, Burfeind W, Dillon MT, Navarro RA. Characteristics of rotator cuff repairs revised to shoulder arthroplasty. 14th International Congress of Shoulder and Elbow Surgery, Buenos Aires, Argentina, September 17-20, 2019. (e-Poster)
• Dillon MT, Prentice HA, Burfeind WE, Julien TP, Singh A. Revision burden and risk factors for re-revision surgery in shoulder arthroplasty. 8th International Congress of Arthroplasty Registries, Leiden, Netherlands, May 31-June 2, 2019. (Poster)
• Garcia IA, Chan PH, Prentice HA, Paxton EW, Dillon MT, Navarro RA. Effect of race/ethnicity on shoulder arthroplasty outcomes in a universally insured population. 8th International Congress of Arthroplasty Registries, Leiden, Netherlands, May 31-June 2, 2019. (Podium by Navarro RA)
• Dillon MT, Prentice HA, Burfeind WE, Chan PH, Navarro RA. The increasing role of reverse total shoulder arthroplasty in the treatment of proximal humerus fractures. American Academy of Orthopedic Surgeons 2019 Annual Meeting, Las Vegas, Nevada, March 12-16, 2019. (Podium by Dillon MT)
• Dillon MT, Cafri G, Burfeind WE, Harris J, Paxton EW, Navarro RA. Developing a shoulder arthroplasty risk calculator using a healtcare system registry. 7th International Congress of Arthroplasty Registries, Reykjavik, Iceland, June 9-11, 2018. (Podium by Dillon MT)
• Harris J, Cafri G, Phan K, Khatod M, Dillon M, Navarro R, Paxton L. Lessons learned: Integration of risk calculators into electronic medical records. 7th International Congress of Arthroplasty Registries, Reykjavik, Iceland, June 9-11, 2018. (Podium by Harris J)
• Mcelvany MD, Chan PH, Prentice HA, Paxton EW, Dillon MT, Navarro RA. The association of diabetes and perioperative glycemic control with shoulder arthroplasty outcomes. 7th International Congress of Arthroplasty Registries, Reykjavik, Iceland, June 9-11, 2018. (Podium by Mcelvany MD)
• Rao A, Chan PH, Prentice HA, Paxton L, Navarro RA, Dillon MT, Singh A. Risk factors for opioid use following shoulder arthroplasty. 7th International Congress of Arthroplasty Registries, Reykjavik, Iceland, June 9-11, 2018. (Podium by Rao AG)
• Rao AG, Chan PH, Prentice HA, Paxton LW, Navarro RA, Dillon MT, Singh A. Risk factors for opioid use following shoulder arthroplasty. American Academy of Orthopedic Surgeons 2018 Annual Meeting, New Orleans, Louisiana, March 6-10, 2018. (Podium by Rao AG)
• McElvany MD, Chan PH, Prentice HA, Dillon MT, Navarro RA. The association of diabetes and perioperative glycemic control with shoulder arthroplasty outcomes. American Shoulder and Elbow Surgeons 2017 Annual Meeting, New Orleans, Louisiana, October 11-14, 2017. (Podium by Navarro RA)
• Yian EH, Chan PH, Cafri G, Navarro RA, Singh A, Dillon MT. Surgeon controllable risk factors for infection after primary shoulder arthroplasty. 6th International Congress of Arthroplasty Registries, San Francisco, California, May 20-22, 2017. (Podium by Yian EH)
• Prentice HA, Chan PH, Navarro RA, Dillon MT, Paxton LW. Impact on shoulder arthroplasty outcomes for patients with and without a prior hip or knee replacement. 6th International Congress of Arthroplasty Registries, San Francisco, California, May 20-22, 2017. (Podium by Prentice HA)
• Dillon MT, Page R, Graves S, Rainbird S, Lorimer M, Harris J, Paxton LW, Navarro RA. Early revision in conventional total shoulder arthroplasty in osteoarthritis: A cross-registry comparison. American Academy of Orthopedic Surgeons 2017 Annual Meeting, San Diego, California, March 14-18, 2017. (Poster)
• Yian E, Chan PS, Navarro RA, Singh A, Dillon MT. Surgeon-Controllable Risk Factors for Periprosthetic Infection: An Analysis of 8,056 Shoulder Arthroplasties. American Shoulder and Elbow Surgeons 2016 Annual Meeting, Boston, Massachusetts, October 7-9, 2016. (Podium by Yian E)
• Dillon MT, Page R, Graves S, Rainbird S, Lorimer M, Harris J, Paxton LW, Navarro RA. Early revision in conventional total shoulder arthroplasty in osteoarthritis: A cross-registry comparison. 5th International Congress of Arthroplasty Registries, Manchester, England, May 28-30, 2016. (Podium by Dillon MT)
• Navarro RA, Chan PH, Dillon MT, Paxton LW. Same day discharge is not inferior to longer length of stay in shoulder arthroplasty. 5th International Congress of Arthroplasty Registries, Manchester, England, May 28-30, 2016. (Poster)
• Yian E, Chan P, Navarro R, Singh A, Dillon M. Surgeon-specific risk factors for periprosthetic deep infection: An analysis of 8,056 shoulder arthroplasties. 5th International Congress of Arthroplasty Registries, Manchester, England, May 28-30, 2016. (Podium by Navarro RA)
• Navarro RA, Paxton L, Harris J, Dillon MT, Singh A, Yian E. Value of Validated Complications in a Shoulder Arthroplasty Registry. American Academy of Orthopedic Surgeons 2016 Annual Meeting, Orlando, Florida, March 1-5, 2016. (Poster)
• Anakwenze OA, Singh A, Chen J, Harris J, Dillon MT, Navarro RA. Impact of Body Mass Index on Post-Surgery Complications after Elective Total Shoulder Arthroplasty. American Shoulder and Elbow Surgeons 2015 Closed Meeting, Ashville, North Carolina, October 8-11, 2015. (e-Poster)
• Dillon MT, Chan PH, Inacio MC, Singh A, Yian EH, Navarro RA. Incidence of Elective Shoulder Arthroplasty in California from 2005 through 2013. 4th International Congress of Arthroplasty Registries, Gothenburg, Sweden, May 23-25, 2015. (Poster)
• Navarro RA, Page RS, Paxton L, Harris J, Tomkins A, Graves SE, Griffith EC, Lorimer M, Dillon M. Comparison of Shoulder Arthroplasty Registries in Australia and the United States. 4th International Congress of Arthroplasty Registries, Gothenburg, Sweden, May 23-25, 2015. (Podium by Navarro RA)
• Navarro RA, Paxton L, Harris J, Dillon M, Singh A, Yian E. Value of Validated Complications in a Shoulder Arthroplasty Registry. 4th International Congress of Arthroplasty Registries, Gothenburg, Sweden, May 23-25, 2015. (Poster)
• Anakwenze OA, Navarro RA, Chen J, Dillon MT, Singh A. Shoulder Arthroplasty: Effect of Older Age and Other Patient Specific Factors on Outcomes. American Shoulder and Elbow Surgeons 2014 Closed Meeting, Pinehurst, North Carolina, October 9-12, 2014. (e-Poster)
• Richards JP, Inacio MC, Beckett MP, Navarro RA, Singh A, Dillon MT, Hsu L, Yian E. Patient Specific Risk Factors Associated with Deep Infection after Primary Shoulder Arthroplasty. American Academy of Orthopaedic Surgeons 2014 Annual Meeting, New Orleans, Louisiana, March 11-15, 2014. (Podium by Richards JP)
• Yian E, Sodl JF, Navarro RA, Singh A, Dillon MT, Ake CF, Dionysian E. Does shoulder arthroplasty increase risk for post-operative symptomatic compressive neuropathies of the upper extremity? Western Orthopaedic Association 77th Annual Meeting, Lake Tahoe, California, July 31-August 3, 2013. (Podium by Yian E)
• Navarro RA, Singh A, Takayanagi M, Dillon MT, Burke M, Yian E. The Effect of Surgical Volume on Shoulder Arthroplasty Quality Metrics. American Shoulder and Elbow Surgeons 2013 Open Meeting, Chicago, Illinois, March 23, 2013. (e-Poster)
• Dillon MT, Burke MF, Takayanagi M, Navarro RA, Yian EH. Shoulder Arthroplasty in Patients 59 Years of Age and Younger. American Academy of Orthopaedic Surgeons 2012 Annual Meeting, San Francisco, California, February 7-11, 2012. (Poster)
• Singh A, Yian E, Dillon MT, Burke MF, Takayanagi M, Navarro RA. The Effect of Surgical Volume on Shoulder Arthroplasty Quality Metrics. American Academy of Orthopaedic Surgeons 2012 Annual Meeting, San Francisco, California, February 7-11, 2012. (Podium by Navarro RA)
• Johnston JA, Dillon MT, King JC. Repair of Distal Biceps Tendon Ruptures Using the Endobutton. 61st Annual Meeting of the American Society for Surgery of the Hand, Washington, D.C., September 7-9, 2006. (Poster)
• Dillon MT and King JC. Irreducible Radial Neck Fracture in a Six Year Old Boy. Michigan Orthopaedic Society Annual Scientific Meeting, Traverse City, Michigan, June 17-19, 2005. (Poster)
• Johnston JA, Wise C, Dillon M, Peplinski NG, Spitsbergen JM. Is Glial Cell Line-Derived Neurotrophic Factor (GDNF) Expressed at the Neuromuscular Junction in Skeletal Muscle? Kalamazoo Community Medical and Health Science Research Day, Kalamazoo, Michigan, April 20, 2005. (Poster)
• Dillon MT and King JC. Irreducible Radial Neck Fracture in a Six Year Old Boy. Kalamazoo Community Medical and Health Science Research Day, Kalamazoo, Michigan, April 21, 2004. (Poster)
• Farley FA, Loder RT, Nolan BT, Dillon MT, Frankenburg EP, Kaciroti N, Goldstein SA, Hensinger RN. A Mouse Model for Thoracic Congenital Scoliosis. Pediatric Orthopaedic Society of North America, Vancouver, Canada, May 1-4, 2000. (Podium by Farley FA)
• Hoffler CE, Kozloff KM, Moore KE, Dillon MT, Goldstein SA. Femoral Neck Bone Lamellar Elastic Properties are Independent of Age and Gender. Orthopaedic Research Society 45th Annual Meeting, Anaheim, California, February 1-4, 1999. (Poster)

• Dillon MT and Glaser DL. Open Reduction Internal Fixation of Proximal Humerus Fractures. In: Wiesel SW, ed. Operative Techniques in Orthopaedic Surgery. Philadelphia: Lipincott Williams & Wilkins, 2011; 3200-3208.

• “The Role of Arthroplasty in Elbow Trauma.” 2024 Dale Daniel, MD Orthopaedic Symposium. Southern California Permanente Medical Group. Anaheim, California, April 13, 2024.
• “Massive Rotator Cuff Tears Part III: Open Surgery.” Indiana University Department of Orthopaedic Surgery Grand Rounds. Indianapolis, Indiana, March 13, 2024.
• “Massive Rotator Cuff Tears Part II: Arthroscopic Techniques.” Indiana University Department of Orthopaedic Surgery Grand Rounds. Indianapolis, Indiana, February 28, 2024.
• “Massive Rotator Cuff Tears Part I: Anatomy and Natural History.” Indiana University Department of Orthopaedic Surgery Grand Rounds. Indianapolis, Indiana, February 7, 2024.
• “The Evolution of Reverse TSA in Treating Massive Rotator Cuff Tears.” 2023 Indiana Orthopaedic Society Annual Meeting. Carmel, Indiana, April 21, 2023.
• “Ask an Expert: Shoulder.” American Academy of Orthopaedic Surgeons Annual Meeting. Las Vegas, Nevada, March 9, 2023.
• “Elbow Trauma – What are the Roles of Radial Head Replacement and Total Elbow Arthroplasty?” Indiana University Department of Orthopaedic Surgery Grand Rounds. Indianapolis, Indiana, November 2, 2022.
• “Elbow Trauma and the Roles of Radial Head and Total Elbow Arthroplasty.” Western Orthopaedic Association 83rd Annual Meeting. Monterey, California, August 1, 2019.
• “Update: Kaiser Permanente Shoulder Arthroplasty Registry.” The Permanente Medical Group James O. Johnston Orthopaedic Symposium - Sports. Berkeley, California, October 20, 2018.
• “Elbow Arthroscopy.” Doctors Demystify the Elbow. Sierra Hand Therapy Foundation. Sacramento, California, September 29, 2018.
• “Elbow Fractures.” Doctors Demystify the Elbow. Sierra Hand Therapy Foundation. Sacramento, California, September 29, 2018.
• “The Future of Registries and International Collaborations: What will we measure, compare and define as valued in 10-20 years?” 7th International Congress of Arthroplasty Registries. Reykjavik, Iceland, June 11, 2018.
• “Lessons Learned from Existing Orthopedic Registries: Kaiser Registry.” American Academy of Orthopaedic Surgeons Optimizing Clinical Use of Biologics in Orthopaedic Surgery. Stanford, California, February 16, 2018.
• “Proximal Humerus Fractures – Review of Recent Literature.” The Permanente Medical Group James O. Johnston Orthopaedic Symposium on Trauma. Berkeley, California, October 28, 2016.
• “The Stiff Painful Shoulder.” Update on the Treatment of Common Musculoskeletal Disorders for the Primary Care Physician. Roseville, California, October 24, 2015.
• “Options for Chronic Distal Biceps Tendon Ruptures.” Phoenix Group 2015 Meeting. Park City, Utah, July 10, 2015.
• “Chronic Distal Biceps Rupture Management.” Instructional Course 42 - Biceps Tendon Pathology: Management from the Glenoid to the Bicipital Tuberosity. 69th Annual Meeting of the American Society for Surgery of the Hand. Boston, Massachusetts, September 20, 2014.
• “The Kaiser Permanente Shoulder Arthroplasty Registry.” Inaugural International Shoulder Arthroplasty Registries Meeting. New Orleans, Louisiana, March 12, 2014.
• “The Kaiser Permanente Shoulder Arthroplasty Registry.” Phoenix Group 2013 Meeting. Washington, District of Columbia, July 12, 2013.
• “Motion Loss in the Painful Shoulder.” Kaiser Permanente Northern California Regional Physical Therapy Hand Peer Group Meeting. Roseville, California, October 26, 2012.
• “Registry Update: Shoulder Replacement.” 2012 Kaiser Permanente Implant Registry Symposium. Huntington Beach, California, September 15, 2012.
• “Treatment of Distal Biceps Tendon Ruptures.” University of California Davis Department of Orthopaedic Surgery Problem Hand Conference. Sacramento, California, June 12, 2012.
• “Treatment of Distal Biceps Ruptures in 2011.” Kaiser Permanente Northern California Regional Physical Therapy Hand Peer Group Meeting. Roseville, California, November 4, 2011.
• “Adhesive Capsulitis and Shoulder Arthritis”. Kaiser Permanente Primary Care of the Spine and Extremities. Roseville, California, February 2, 2008.
• “Adhesive Capsulitis and Shoulder Arthritis”. Kaiser Permanente Primary Care of the Spine and Extremities. Roseville, California, December 1, 2007.
• “Massive Rotator Cuff Tears.” University of Pennsylvania Upper Extremity Conference. Philadelphia, Pennsylvania, April 25, 2007.
• “Distal Biceps Tendon Ruptures.” University of California Davis Department of Orthopaedic Surgery Grand Rounds. Sacramento, California, March 6, 2007.
• “Adhesive Capsulitis.” University of Pennsylvania Upper Extremity Conference. Philadelphia, Pennsylvania, January 31, 2007.
• “Fractures of the Scapula.” University of Pennsylvania Upper Extremity Conference. Philadelphia, Pennsylvania, October 11, 2006.
• “Massive Rotator Cuff Tears.” University of Pennsylvania Upper Extremity Conference. Philadelphia, Pennsylvania, August 30, 2006.

Associate Editor

• Shoulder & Elbow, August 2024 – present

Ad Hoc Journal Reviewer (date of first review in parentheses)

• The American Journal of Sports Medicine (September 2025)
• European Journal of Orthopaedic Surgery & Traumatology (May 2025)
• Journal of the American Academy of Orthopaedic Surgeons (November 2024)
• Shoulder & Elbow (January 2023)
• The Permanente Journal (November 2022)
• The Physician and Sports Medicine (June 2020)
• Journal of Bone and Joint Surgery (April 2019)
• Journal of Shoulder and Elbow Surgery (November 2015)
• Arthroscopy: The Journal of Arthroscopic and Related Surgery (March 2009)