303-456-6000

Efren Caballes, DO, CAQSM

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4.93
Based on 244 reviews.
Efren Caballes

PM&R Sports Medicine

PM&R Sports Medicine, Diagnostic Ultrasound, Fellowship Trained
Fax: 303-420-2279
5280 Top Doc 2026
Badge for Castle Connolly Top Doc 2026
Efren Caballes

Originally from the Chicago-land area, Dr. Efren Caballes joined Cornerstone Orthopedics & Sports Medicine in 2016. His approach to patient care is based on combining all available modalities for musculoskeletal conditions including exercise, physical modalities, bracing, injections, and regenerative medicine. One of his special interests is diagnostic and therapeutic use of musculoskeletal ultrasound. His clinical repertoire of treatments focuses on continually balancing the patient’s physical goals with optimal recovery needs.

Prior to working at Cornerstone Orthopedics, Dr. Caballes earned a Bachelor of Science Degree in Molecular Cellular Biology from the University of Illinois at Urbana-Champaign and attended medical school at the Touro College of Osteopathic Medicine in New York City (NYC). Dr. Caballes completed his residency in Physical Medicine and Rehabilitation (PM&R) at New York University (NYU) Medical Center, where he also served as Chief Resident, and completed a PM&R Sports Medicine Fellowship at NYU. His training also provided him the opportunity to take care of the numerous endurance athletes at the NYU Center for Musculoskeletal Care Running Performance Lab, as well as musicians and dancers at the Julliard School and Harkness Center for Dance Injuries.

Dr. Caballes developed an enthusiasm for running while in NYC, where he joined the Prospect Park Track Club and volunteered with Back on My Feet – an organization combating homelessness through the power of running. Since moving to Colorado, he has become actively involved in treating runners and triathletes ranging from recreational athletes to professional and Olympic athletes.

Dr. Caballes is currently certified as a level 1 USA Track and Field coach and was selected to serve as a volunteer physician for the US Olympic and Paralympic Committee Colorado Springs Olympic Training Center in March 2020. Recent and current academic positions include sports ultrasound faculty for the America Medical Society for Sports medicine, clinical instructor for Touro College of Osteopathic Medicine in NY, and clinical instructor for the St. Anthony’s Medical Center Sports Medicine fellowship.

As an avid runner and outdoor enthusiast, Dr. Caballes has completed several marathons in New York City, Chicago, and Berlin to name a few. He also enjoys cross country skiing, cycling, hiking, and traveling/running Ragnar Relay Races with his wife.

Education

  • Fellowship: Physical Medicine and Rehabilitation Sports Medicine / New York University / New York, NY
  • Residency: Physical Medicine and Rehabilitation / New York University / New York, NY
  • Medical School: DO, Touro College of Osteopathic Medicine, New York, NY
  • Undergraduate School: Molecular and Cellular Biology, University of Illinois at Urbana-Champaign, Champaign, IL

Board Certifications

  • Physical Medicine and Rehabilitation
  • Sports Medicine

Memberships & Organizations

  • American Medical Society for Sports Medicine
  • USA Track & Field (USATF)
  • American Academy of Physical Medicine and Rehabilitation
  • Recipient of the 2015 Howard Rusk Award for Teaching and Leadership
  • Former Head Team Physician for St. Joseph’s College
  • International Association for Dance Medicine and Science
  • New York Society of Physical Medicine and Rehabilitation

Interests & Hobbies

  • Running
  • Cross Country Skiing

 

Dr. Caballes's Reviews

Reilly P.
18 hours ago
5+ from the appointment access, all staff. Dr. C is professional, thorough, solution oriented and excellent diagnostician.
Dominic G.
2 days ago
A true professional, was happy to have him as my physician.
Giulia de M.
3 days ago
Kind, knowledgeable, proactive. Very happy!
Terri M T.
1 week ago
Attentive, professional
Dee S.
2 weeks ago
Dr Caballes is excellent. He administers pain free injections and provides excellent direction on what to expect after the visit. Can’t recommend him enough!!
Victoria L.
2 weeks ago
Dr. Efren was great to work with when he was preforming my ultrasound. I highly recommend this ultrasound tech for anyone who needs sports medicine dr for ultrasound.
Josh M.
3 weeks ago
Dr. Caballes and all the staff at OCC Superior are just the best every time on my appointments. I had hurt my shoulder after my surgery while doing my exercise home plan. He explained everything after my ultrasound and assured me my shoulder was not damaged. He took the time and recommended what I should do next in my recovery. Thank you.
Kelly S.
1 month ago
Dr. Caballes does a great job. He explains his diagnosis as well as treatment options very well, allowing the patient to make an educated decision. He came well recommended and I couldn't agree more!
Michael M.
1 month ago
Like EVERY physician at Cornerstone Orthopedics, Dr Caballes, is exceptionally skilled, highly personable and generous with his time. I can't recommend Dr Caballes highly enough...along with all his colleagues.
cyndi D.
2 months ago
Dr. Caballes is great, very kind and thorough on care.

Dr. Caballes's Clinic Locations

Efren's Clinic Locations

Westminster

500 W. 144th Ave, Ste 230
Westminster
CO
80023

Superior Orthopedic Clinic

3 Superior Dr, Ste 225
Superior
CO
80027

– ANNOUNCEMENT –
Effective 01/01/2026

United Healthcare HMO and HMO-POS plans require an authorized referral from your Primary care Provider (PCP).

We will honor existing appointments through 03/01/2026 without authorization. However, any planned or ongoing treatment may be delayed if authorization is not received (IE: MRI, Surgery, PT/OT).

Please contact your PCP as soon as possible to obtain an authorization if you wish to be seen today or to avoid delays in care.