Leo Afshin Calafi, M.D.

Dr. Leo Afshin Calafi | MOS

Dr. Leo Afshin Calafi

Orthopedic Trauma Surgeon

MOS Locations:
Walnut Creek (Redwood Building)


Dr. Calafi is a full-time orthopedic trauma surgeon. He is board certified and a member of the American Academy of Orthopedic Surgeons, the Orthopedic Trauma Association and AO Trauma Faculty.

Alumni Organizations:

  • University of California, Irvine
  • Northwestern University
  • University of California, Davis
  • University of Washington – Harborview Medical Center
  • AO Trauma Faculty
  • Academy of Orthopaedic Surgeons
  • Orthopaedic Trauma Association

Approach to Treatment

I believe that optimal patient care involves not only knowledge and technical expertise, but also compassion and empathy.

As a physician and surgeon, I am honored to be part of a comprehensive team whose goal is to assist patients with orthopedic injuries regain function and quality of life.

My goal is to provide my patients with the same level of care and expertise that I would expect my own family to receive.

More About the Doctor

Dr. Calafi is a board certified Orthopaedic Trauma Surgeon. He received his undergraduate studies degree from the University of California, Irvine and his medical degree from Northwestern University. He completed his orthopedic residency at the University of California, Davis followed by an orthopedic trauma fellowship at the Harborview Medical Center in Seattle. In addition, he was an international trauma fellow at the Hannover Medical School in Germany.

He is fluent in English, Farsi and German. In his spare time, he enjoys being with his family and engaging in outdoor activities.

Dr. Calafi is a member of the American Academy of Orthopaedic Surgeons and the Orthopaedic trauma association. He has authored numerous scientific articles in the field of orthopedic trauma. Prior to joining Muir Orthopaedic Specialists, Dr. Calafi was an Assistant Professor of Orthopaedic Traumatology at Saint Louis University.

In the News

Curriculum Vitae

Muir Orthopaedic Specialists


2625 Shadelands Drive
Walnut Creek, CA 94598


1992 – 1997 – University of California, Irvine; BS in Biology & German; Magna Cum Laude
1998 – 2002 – Northwestern University; MD
2002 – 2008 – University of California, Davis; Orthopaedic Residency
2006 – 2007 – Hannover Medical School (Hannover/Germany); International Trauma Fellowship
2008 – 2009 – University of Washington – Harborview Medical Center; Orthopaedic Trauma Fellowship


American Board of Orthopaedic Surgery

Reno Orthopaedic Clinic Trauma Award, 2008
Lloyd W. Taylor Resident Research Award through the Western Orthopaedic Association, 2006
OREF Resident Award through the California Orthopaedic Association, 2006
Charles H. Herndon Resident Research Grant/Award funded by the Musculoskeletal Transplant Foundation of the Orthopaedic Research and Education Foundation (OREF), 2004 – 2005
AO-North America Resident Research Award, 2004


Calafi LA, Routt MLC. Posterior Iliac Crescent Fracture-Dislocations: What Morphological Variations are Amenable to Iliosacral screw fixation? Injury 2013; 44: 194-98.

Calafi LA, Routt MLC. Anterior Pelvic External Fixation – Is There an Optimal Placement for the Supra-acetabular Pin? Accepted for publication, American Journal of Orthopaedics, 2012.

Oszwald M, Westphal R, Klepzig D, Khalafi A, Gaulke R, Müller CW, Wahl F, Krettek C, Gösling T. Robotized access to the medullary cavity for intramedullary nailing of the femur. Technol Health Care. 2010; 18:1 73-80.

Oszwald M, Westphal R, Stier R, Gaulke R, Calafi A, Müller CW, Wahl F, Krettek C, Gösling T. Hands-on robotic distal interlocking in intramedullary nail fixation of femoral shaft fractures. Technol Health Care. 2010; 18: 325-34.

Oszwald M, Westphal R, Calafi A, Stier R, Müller CW, Gaulke R, Wahl F, Krettek C, Gösling T. A standardized fracture reduction model for long bones – Implication and  evaluation in the femur. Technol Health Care 2010; 18: 387-91.

Calafi LA, Antkowiak T, Curtiss S, Neu CP, Moehring D. A Biomechanical Comparison of the Surgical Implant Generation Network (SIGN) Tibial Nail with the Standard Hollow Nail. Injury 2010; 41: 973-977.

Oszwald M, Westphal R, Bredow J, Calafi A, Hufner T, Wahl F, Krettek C, Gosling T. Robot-assisted fracture reduction using three-dimensional intraoperative fracture visualization: An experimental study on human cadaver femora. J Orthop Res 2010; 28: 1240-1244.

Calafi LA, Routt MLC. Direct Hip Joint Distraction during Acetabular Fracture Surgery Using the AO Universal Manipulator.  J Trauma 2010; 68: 481-484.

Crist B, Khalafi A, Hazelwood S, Lee M. A Biomechanical Comparison of Locked Plate Fixation With Percutaneous Insertion Capability Versus the Angled Blade Plate in a Subtrochanteric Fracture Gap Model. J Orthop Trauma 2009; 23: 622-627.

Citak M, Calafi A, Kendoff D, Kupka T, Haasper C, Behrends M, Krettek C, Matties HK, Hufner T. An internet based learning tool in orthopaedic surgery: preliminary experiences and results. Technol Health Care 2009; 17:141-148.

Stuebig T, Kendoff D, Citak M, Khalafi A, Krettek C, Huefner T. Comparative Study of Different Intraoperative 3-D Image Intensifiers in Orthopaedic Trauma Care. J Trauma 2009; 66: 821-830.

Khalafi A, Citak M, Kendoff D, Kuepper M, Bretin P, Huefner T, Krettek C. The Accuracy and Precision of Computer Assisted Surgery in the Assessment of Frontal Plane Deviations of the Lower Extremity: A Femoral Fracture Model. Arch Orthop Trauma Surg 2009; 129: 1183-1187.

 Calafi LA, Yoo B. Open Superior Shoulder Suspensory Complex Injury – A Case Report. Injury Extra 2009; 40 (7): 130-132.

Khalafi A, Hazelwood S, Curtiss S, Wolinsky. Fixation of the Femoral Condyles: A Biomechanical Comparison of Small and Large Fragment Screw Fixation.  J Trauma 2008; 64: 740-744.

Neu CP, Khalafi A, Komvopoulos K, Schmid T, Reddi AH. Mechanotransduction of Bovine Articular Cartilage Superficial Zone Protein by Transforming Growth Factor Beta Signaling. Arthritis Rheum 2007; 56: 3706-3714.

Khalafi A, Schmid T, Neu CP, Reddi AH. Increased Accumulation of Superficial Zone Protein (SZP) in Articular Cartilage in Response to Bone Morphogenetic Protein-7 and Growth Factors. J Orthop Res 2007; 25: 293-303.

Khalafi A, Curtiss S, Hazelwood S, Wolinsky. The Effect of Plate Rotation on the Stiffness of Femoral LISS: A Biomechanical Study. J Orthop Trauma 2006; 20: 542-546.

Khalafi A, Landsman A, Lautenschlager EP, Kelikian AS. Plantar Forefoot Pressure Changes after Second Metatarsal Neck Osteotomy. Foot Ankle Int 2004; 26: 550-555.

Caiozzo VJ, Utkan A, Chou R, Khalafi A, Chandra H, Baker M, Rourke B, Adams G, Baldwin K, Green S. Effects of Distraction on Muscle Length: Mechanisms Involved in Sacromerogenesis. Clin Orthop Relat Res 2002; 403: 133-145.