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Physical Medicine and Rehabilitation

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Ryan Stephenson, DO


Assistant Professor of Physical Medicine and Rehabilitation


   Office:              303-399-8020 x3607
   Appointment:   303-393-2819
   Fax:                 303-393-5220

   Denver VAMC

   Board Certified - American Board of Physical Medicine & Rehabilitation and American Board of Electrodiagnostic Medicine


Dr. Stephenson is board certified in Physical Medicine and Rehabilitation as well as Electrodiagnostic Medicine. He is an outpatient physiatrist at the Denver VA Medical Center. He serves as the director of the Regional Amputation Center and medical director of the PM&R Brain Injury and Polytrauma program. His clinics include electrodiagnostic medicine, amputee specialty care, musculoskeletal medicine, and neurological rehabilitation/brain injury.

 Dr. Stephenson’s clinical interests include electromyography, neuropharmacologic treatment options for individuals with brain injury, conservative approaches to managing musculoskeletal pain including diagnostic and interventional musculoskeletal ultrasound, optimizing functional recovery post-stroke, and chemodenervation interventions for spasticity and dystonia.​

Dr. Stephenson's current research projects are within the fields of brain injury and amputee medicine. He is the principal investigator for an innovative study looking at the contribution of ethical factors associated with war trauma on physical and psychological outcomes in veterans with brain injury.

Additionally, he is a collaborator on multiple research projects studying gait biomechanics and functional outcomes in amputees. He would like to translate this research into functional improvements and pain reduction in prosthetic users.

He is interested in studying pre and post therapeutic functional and subjective measures in individuals with mild traumatic brain injury.

 Medical School: University of New England College of Osteopathic Medicine
 Residency: Baylor College of Medicine
Baylor/University of Texas Physical Medicine & Rehabilitation Alliance
Houston, TX

  • Ryan O Stephenson, DO and Jeffrey Berliner, DO. Autonomic Dysreflexia in Spinal Cord Injury. Medscape Reference. 2013. Updated Oct 17, 2013. Available at:
  • Ryan O Stephenson, DO. Radiation-Induced Brachial Plexopathy. Medscape Reference. 2013. Updated Mar 26, 2013. Available at:
  • Mark L. Miedema, MD and Ryan O Stephenson, DO. Femoral Acetabular Syndrome. PM&R Knowledge Now. Created 12/28/12. Available at:​
  • Ryan Stephenson, DO. Differentiation of Motor Neuron Disease and Chronic Inclusion Body Myositis in Clinical Practice. Presented at Association of Neuromuscular and Electrodiagnostic Medicine National Conference, October 2012.
  • Ryan Stephenson, DO and Allison Franklin, DO. Standardization of Medical Necessity Determination for Customized Wheelchair Mobility. Presented at New Horizons In Rehabilitation Conference, June 2012. Received award for Best Clinical Practice.
  • Eric Shoemaker, DO and Ryan O. Stephenson, DO. Rehabilitation in an Adult Male with Food-Borne Botulism.  Presented at the Association of Academic Physiatrists 2011 National Conference.
  • Ryan O. Stephenson, DO, Joel See, MD, Matthew Johnson, DO. Atraumatic Knee Dislocation Precipitated by Sciatic Nerve Injury.  Presented at the Association of Academic Physiatrists 2007 National Conference.
  • Joel B. See, MD, Ryan Stephenson, DO, Matthew Johnson, DO, Khyber Zaffarkhan, DO.  Impaired Renal Function on Admission to Acute Rehabilitation.  Presented at the American Academy of Physical Medicine and Rehabilitation 2007 National Conference.
  • Ryan O. Stephenson, DO, Adam Abou-Elias, MD, Smita Padala, MD, Dimitrios Angelis MD, Robert Bessette, MD, Stephen Pezzella, MD. Permanent Cardiac Pacing in Lyme Carditis- When does a temporary condition require permanent intervention?  Presented at the American College of Physicians 2005 Regional Annual Meeting.
  • Adam Abou-Elias, MD, Ryan O. Stephenson, DO, Smita Padala, MD, Dimitrios Angelis MD, Omer El-Amin, MD; Gordon Saperia, MD. Hyperkalemia-Induced Cardiac Arrest with Presumptive Brain Death: Call the Code (or Not)!   Presented at the American College of Physicians 2005 Regional Annual Meeting.
  • Foster KA, Barnes MH, Stephenson RO, Butler MM, Skow DJ, LaMarr WA, Brown NC.  DNA polymerase III of Enterococcus faecalis: expression and characterization of recombinant enzymes encoded by the polC and dnaE genes.  Protein Expression and Purification. 2003 Jan;27(1):90-7.
  • Butler MM, Skow DJ, Stephenson RO, Lyden PT, LaMarr WA, Foster KA. Low frequencies of resistance among Staphylococcus and Enterococcus species to the bactericidal DNA polymerase inhibitor N(3)-hydroxybutyl 6-(3'-ethyl-4'-methylanilino) uracil.  Antimicrobial Agents and Chemotherapy. 2002 Dec;46(12):3770-5.
  • De la Serna, I.L., K.A. Carlson, D.A. Hill., C.J. Guidi, R.O. Stephenson, S. Sif, R.E. Kingston, and A.N. Imbalzano.  Mammalian SWI/SNF Complexes Contribute to Activation of the hsp70 Gene. Molecular and Cellular Biology. 2000 Apr;20(8):2839-51.
  •  Shehin, S.S., R.O. Stephenson, and W.F. Greenlee. Transcriptional Regulation of the Human CYP1B1 Gene: Evidence for Involvement of an Aryl Hydrocarbon Receptor Response Element in Constitutive Expression.  Journal of  Biological Chemistry.  2000 Mar 10;275(10):6770-6.