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Alex Arden Johnson, M.D.

Headshot of Alex Arden Johnson
4.8out of 5
225 Ratings
  • Assistant Professor of Orthopaedic Surgery


ACL Reconstruction, Anterior Shoulder Instability, Arthritis of the Shoulder, Arthroscopic Rotator Cuff Repair, Arthroscopic Surgery, Articular Cartilage Restoration, Baseball Injuries, Elbow Arthroscopy, Elbow UCL Reconstruction, Femoral-Acetabular Impingement (FAI), Hip Impingement, Hip Injuries, Hip Labral Tears, Hip Replacement, Joint Preservation, Joint Reconstruction, Joint Replacement, Knee Injuries, Knee Meniscus Repair, Knee Replacement, Labral Tears of the Hip, Meniscus Tears, Multi-Ligament Knee Injuries, OATS Cartilage Repair Surgery, Orthopaedic Shoulder Surgery, Orthopaedic Sports Medicine, Orthopedic Surgery, Patellar Dislocations, Patellofemoral Pain Syndrome (Runner's Knee), Pediatric and Adolescent Sports Injuries, Rotator Cuff, Rotator Cuff Injuries, Shoulder Arthroscopy, Shoulder Dislocations, Shoulder Instability Stabilization Surgery, Shoulder Joint Dislocations, Shoulder Labral Tear, Shoulder Surgery, Sports Injuries, Sports Injuries to the Shoulder, Sports Medicine, Tear - Anterior Cruciate Ligament (ACL), Tennis Elbow, Total Joint Replacement more

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Johns Hopkins Health Care and Surgery Center

Appointment Phone: 240-762-5100
6420 Rockledge Drive
Suite 2200
Bethesda, MD 20817 map
Fax: 410-367-2237

Suburban Hospital

8600 Old Georgetown Road
Bethesda, MD 20814 map
Phone: 301-896-3100

Sibley Memorial Hospital

5255 Loughboro Road NW
Washington, DC 20016 map
Phone: 202-660-7511


Alex Johnson, M.D., is an orthopaedic surgeon and fellowship-trained sports medicine specialist with expertise in joint replacements. He specializes in treating patients with conditions of the knee, shoulder, elbow and hip. He is passionate about helping athletes of any age or level return to the sports and activities they love. 

Dr. Johnson is an assistant professor in the Johns Hopkins Department of Orthopaedic Surgery. He graduated with highest honors from the Georgia Institute of Technology with a degree in nuclear and radiological engineering. He then obtained his M.D., graduating cum laude from Emory University, and completed an orthopaedic surgery residency at Johns Hopkins. While in residency training, Dr. Johnson also completed a National Institutes of Health research fellowship, investigating applications for head-mounted displays and augmented reality in orthopaedic surgery. Most recently, Dr. Johnson completed a sports medicine fellowship at the world renowned American Sports Medicine Institute at the Andrews Sports Medicine & Orthopaedic Center in Birmingham, Alabama. During his fellowship, Dr. Johnson served as assistant team physician for the Birmingham Barrons baseball team, the Alabama Ballet, the University of West Alabama Tigers and the University of Alabama Crimson Tide. 

His clinical interests include ACL reconstruction, arthroscopic rotator cuff repair, shoulder stabilization, elbow arthroscopy, ulnar collateral ligament (Tommy John) surgery, treatment of hip labral tears and femoroacetabular impingment (FAI), endoscopic hamstring repair, endoscopic gluteus medius repair and cartilage restoration. 

Dr. Johnson’s research interests include computer-aided surgery, head mounted displays and augmented reality for use in orthopaedic surgery. more


  • Assistant Professor of Orthopaedic Surgery

Departments / Divisions



  • MD; Emory University School of Medicine (2013)


  • Orthopaedic Surgery; Johns Hopkins University School of Medicine (2019)


  • Sports Medicine; American Sports Medicine Institute (2020)

Board Certifications

  • Pending/Scheduled (Orthopaedic Surgery)

Research & Publications

Selected Publications

Johnson A*, Andress S*, Unberath M, Winkler AF, Yu K, Fotouhi J, Weidert S, Osgood G, Navab N. On-the-fly augmented reality for orthopedic surgery using a multimodal fiducial. J Med Imaging (Bellingham). 2018 Apr 5

Qian L, Barthel A, Johnson A, Osgood G, Kazanzides P, Navab N, Fuerst B. Comparison of optical see-through head-mounted displays for surgical interventions with object-anchored 2D-display. Int J Comput Assist Radiol Surg. 2017 Jun;12

Fotouhi J, Unberath M, Song T, Gu W, Johnson A, Osgood G, Armand M, Navab N. Interactive Flying Frustums (IFFs): spatially aware surgical data visualization. Int J Comput Assist Radiol Surg. 2019 Jun;14

Rahman R, Wood ME, Qian L, Price CL, Johnson AA, Osgood GM. Head-Mounted Display Use in Surgery: A Systematic Review. Surg Innov. 2020 Feb;27

McFarland E, Bernard J, Dein E, Johnson A. Diagnostic Injections About the Shoulder. J Am Acad Orthop Surg. 2017 Dec;25


Patent # 20200275988 | 

Activities & Honors


  • Alpha Omega Alpha, 2013
  • Determining weight-bearing compliance using a pressure-sensing boot, Sponsored research grant with DJO Global, 2017
  • Johns Hopkins Delta Grant 2020 - Socratic Artificial Intelligence Learning (SAIL)


  • American Orthopaedic Society for Sports Medicine, 2019
  • Computer Aided Medical Procedures (CAMP), 2016

    Active member of this research group, which is part of the Laboratory for Computational Sensing and Robotics (LCSR) at Johns Hopkins University

  • American Academy of Orthopaedic Surgeons, 2013

Videos & Media

Play Video:

Common Sports and Activity Related Injuries: What to Consider from Pain to Breaks

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

  • 4.9 Provider Explained Things Clearly
  • 4.9 Provider Listened Carefully
  • 4.8 Provider Gave Easy to Understand Instructions
  • 4.6 Provider Knew Medical History
  • 4.9 Provider Showed Respect
  • 4.8 Provider Spent Enough Time
  • 4.8 Overall Rating by Patient
4.8 out of 5 (225 Ratings, 0 Comments)
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