Our Team


David Lowenberg, MD

David Lowenberg, MD

Division Chief, Trauma Service

Dr. Lowenberg is the Chief of the Orthopaedic Trauma Service at Stanford. He is a past President of the Limb Lengthening and Reconstruction Society of North America. He received his medical school degree from UCLA School of Medicine and completed his internship and residency at UCSF School of Medicine. He is also board certified through the American Board of Orthopaedic Surgery.

His clinical and research interests are in the treatment of nonunions and malunions with or without accompanying osteomyelitis and infection. He is well published in the field of limb salvage and the treatment of devastating limb injuries. He has ongoing research in limb transplantation via immunotolerance as well as biomechanics.


Michael Bellino, MD

Dr. Michael Bellino joined Stanford Medicine in 2001 after completing his post-doctoral fellowship in Hip and Pelvis Reconstruction with Dr. Joel Matta at Good Samaritan Hospital in Los Angeles. Dr. Bellino serves as Assistant Professor of Orthopaedic Surgery with specialty interest in hip and pelvis reconstruction.

His areas of clinical expertise include:

His research interests focus on anatomy and biomechanics of the hip and pelvis as well as surgical treatments for disorders of the hip.

Dr. Bellino received his undergraduate degree in Zoology from the University of Massachusetts, Amherst and his medical degree from New York Medical College. He completed his orthopaedic residency at the University of California, Davis. 

He is Chairman of Quality Assurance, Department of Orthopaedic Surgery and Co-Chairman of Quality Assurance Trauma Division Stanford University School of Medicine. He is an active member of the American Academy of Orthopaedic Surgeons and Orthopaedic Trauma Association. He is AO (Arbeitsgemeinschaft fur Osteosynthesefragen) Faculty. He was the recent recipient of the Saul Halpern, MD Orthopaedic Educator Award at the Department of Orthopaedic Surgery at Stanford University's School of Medicine.

He has authored and co-authored book chapters and journal articles published in areas of pelvis biomechanics and acetabular fractures. He has given numerous invited national and international lectureships.Julius Bishop, MD

Julius Bishop, MD

Dr. Bishop specializes in treating fractures of the upper extremity, lower extremity, pelvis and acetabulum as well as the management of post-traumatic problems including malunion, nonunion and infection.

He received his undergraduate and medical school degrees from Harvard University and went on to complete the Harvard Combined Orthopaedic Surgery Residency Program. He pursued his subspecialty training in Orthopaedic Traumatology at the world-renowned Harborview Medical Center in Seattle, Washington.

His research interests include applying decision analysis models to orthopaedic trauma problems, studying clinical outcomes after musculoskeletal injury, and evaluating new strategies and techniques in fracture surgery.

Loretta Chou, MD

Division Chief, Foot and Ankle Service

Dr. Chou has been specializing in orthopaedic surgery at Stanford for more than nine years and is a member of the Stanford Trauma Service.

Her sub-specialties are foot and ankle surgery and orthopaedic trauma. She is Board Certified in orthopaedic surgery from the American Board of Orthopaedic Surgery.

Dr. Chou is also Company Doctor of Ballet San Jose, and works closely with Stanford athletic teams treating foot and ankle injuries.

She graduated from the University of California, Irvine, School of Medicine, and went on to complete orthopaedic surgery residency at Howard University Hospital. She then finished fellowships at Inselspital, Bern, Switzerland (AO/ASIF fellowship), and with Dr. Roger Mann of the Foot Fellowship Program in Oakland, California.

Dr. Chou's research has focused on the prevention and treatment of chronic and traumatic foot and ankle disorders/injuries. Her research interests include: gait analysis, Achilles tendon, osteochondral defects of the talus, foot and ankle anatomy, fusions (arthrodesis) of the foot and ankle, and sports injuries of the foot and ankle.

Clinical Staff

Dorothea Peters
Medical Assistant

Rachel Rodriguez
Surgery Scheduler

Mythilla Karunaratne
Nurse Practitioner

Meenal Mistry
Physician Assistant


Lisa Ryder
Physician Assistant

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