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Mark I Ellen, M.D.

Photo of Dr. Mark I Ellen, M.D.
  • Assistant Professor of Physical Medicine and Rehabilitation


Achilles, Ankle Injuries, Arthritis of the Shoulder, Baseball Injuries, Bursitis, Clinical Practice Guidelines, Elbow Injuries, Foot and Ankle, Fractures, Heel Disorders, Joint Aspiration, Joint Diseases, Joint Injection: Hip, Joint Injections, Joint Pain, Joint Surgery, Knee Arthritis, Knee Injuries, Kneecap (Prepatellar) Bursitis, Lateral Collateral Ligament Tears (LCL) Injury, Medial Collateral Ligament Tears (MCL) Injury, Muscle Rehabilitation, Muscle Strain Injuries of the Hip, Musculoskeletal Injuries, Orthopaedic Sports Medicine, Orthopedic Sports Medicine, Patellar Dislocations, Patellar Tendonitis (Jumper's Knee), Patellar Tracking Disorder, Patellofemoral Pain Syndrome (Runner's Knee), Patellofemoral Tracking Disorders, Pediatric Orthopaedics, Plantar Fasciitis, Rotator Cuff, Rotator Cuff Injuries, Shoulder Dislocations, Shoulder Disorders, Shoulder Joint Dislocations, Shoulder Labral Tear, Shoulder Ultrasound, Specialist, Sports Injuries, Sports Injuries to the Ankle, Sports Injuries to the Shoulder, Sports Medicine, Sports Medicine (non-surgical), Tear - Anterior Cruciate Ligament (ACL), Tendonitis of the Elbow, Tennis Elbow more

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The Johns Hopkins Hospital

Appointment Phone: 443-997-5476
600 N. Wolfe Street
Meyer Building 1-130
Baltimore, MD 21287 map

Johns Hopkins Medicine - Green Spring Station

Appointment Phone: 443-997-6754
10803 Falls Road
Pavilion 3, Suite 2100
Lutherville, MD 21093 map

Johns Hopkins Medicine - White Marsh

Appointment Phone: 443-997-5476
4924 Campbell Boulevard
Suite 130
Nottingham, MD 21236 map

Johns Hopkins Medicine - Howard County

Appointment Phone: 443-997-6754
10700 Charter Drive
Suite 205
Columbia, MD 21044 map


Mark Ellen, M.D., is a sports medicine specialist who cares for patients in the Baltimore metropolitan area. He is an assistant professor in the departments of orthopaedic surgery and physical medicine and rehabilitation. Dr. Ellen’s focus is on nonoperative treatment of ligament, muscle, tendon and cartilage conditions such as strains, sprains, tears, bursitis, tendinitis and more. Dr. Ellen works with all athletes regardless of their skill level or the sport they play.

Before joining Johns Hopkins, Dr. Ellen served in similar roles at several academic medical centers such as University of Pennsylvania and Emory University he most recently came from the Birmingham VAMC/UAB in Birmingham, Alabama. He is one of four nonsurgeons to successfully complete a sports medicine fellowship at the world-renowned Kerlan-Jobe Orthopaedic Clinic in Los Angeles. As a former college varsity track and football athlete, Dr. Ellen enjoys helping other athletes reach their potential while minimizing injuries.

During his long career in sports medicine, Dr. Ellen has been a consultant for Division 1 college teams and professional and Olympic athletes, as well as numerous ballet and theatre companies. He has served as team physician for University of Pennsylvania and Emory University intercollegiate athletics including the Penn Relays. 

During more than 25 years of practice, Dr. Ellen has been actively involved with numerous academic committees aiming to improve education, clinical guidelines, patient care and other aspects of sports medicine. Most recently, he has co-authored the American Medical Society for Sport Medicine’s current teaching guidelines for residents and fellows, clinical practice guidelines for ACL injuries and appropriate use criteria for non-arthroplastic care of knee osteoarthtitis. more


  • Assistant Professor of Physical Medicine and Rehabilitation
  • Assistant Professor of Orthopaedic Surgery

Departments / Divisions

Centers & Institutes



  • MD, New York Medical College (1987)


  • Boston Medical Center / Physical Medicine and Rehabilitation (1991)


  • Kerlan-Jobe Orthopaedic Clinic / Sports Medicine (1992)

Board Certifications

  • American Board of Physical Medicine and Rehab / Physical Medicine & Rehabilitation (1992)
  • American Board of Physical Medicine and Rehab / Sports Medicine (2007)

Research & Publications

Selected Publications

Shea KG, Carey JL, Richmond J, Ellen MI et al: The American Academy of Orthopaedic Surgeons Evidence-Based Guideline on Management of Anterior Cruciate Ligament Injuries. J Bone Joint Surg Am 97(8):672-674. April 2015.

Slipman CW, Chow DW, Whyte WS, Ellen MI, Lenrow DA, Chou LH, Vreslovic EJ, An evidence based algorithmic approach to cervical spinal disorders. Crit Rev Phys Med Rehabil, 1/1/2003

Zaman FM, Wong M, Slipman CW, Ellen MI. Dysphonia associated with shoulder steroid injection. Am J Phys Med Rehabil. 2005 Apr;84(4):307-9. PMID: 15785267

Ellen MI. See one, do one teach one. Pain Physician. 2003 Oct;6(4):543. PMID: 16871316

Ellen MI, Resident Orientation Manual with Guide to Spinal Cord Injury, Care - revised, 1991.

Activities & Honors


  • Guide to America’s Top Physicians, Consumers’ Research Council of America, 2009 - 2014
  • Samuel Stover Resident Excellence in Teaching Award, University of Alabama at Birmingham, Department of Physical Medicine and Rehabilitation, 2008 - 2008
  • Top Doctor for Women, Philadelphia Magazine, 2000 - 2000
  • Outstanding Young Men in America, 1998 - 1998
  • Who’s Who in America, Marquis and Strathmore’s, 2000 - 2000


  • American Academy of Physical Medicine and Rehabilitation, 1988
  • American Medical Society for Sports Medicine, 2006

Professional Activities

  • Reviewer, Clinical Orthopaedics and Related Research, The Association of Bone and Joint Surgeons, 1994
  • Reviewer, Archives of Physical Medicine and Rehabilitation, American Congress of Rehabilitation Medicine, 1996
  • Editor, Knowledge Now, American Academy of Physical Medicine and Rehabilitation, 2010
  • Orthopaedic Consultant, Atlanta Ballet, 2001
  • Member, Evidence Committee, American Academy of Physical Medicine and Rehabilitation, 2014

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.

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