Our Team

David G. Mohler, MD

Orthopaedic Oncology Surgeon

Dr. Mohler is an accomplished orthopaedic surgeon specializing in musculo-skeletal tumors and complex trauma. His experience includes more than 12 years of academic, clinical, and research activities. Dr. Mohler is currently Clinical Associate Professor, Division of Orthopaedic Surgery, at Stanford.

An internationally recognized authority in orthopaedic oncology, ballistic injury, and medical operations in unconventional warfare, Dr. Mohler has led international projects for medical charities, as well as for the U.S. and foreign militaries. He has authoried numerous scientific articles in his areas of expertise, and is a frequent lecturer at medical and military conferences around the world.

Dr. Mohler earned his M.D. from Cornell University Medical College in 1983, and B.S. from Stanford University. He pursued his surgical internship at UCLA, and his orthopaedic training at The Hospital For Special Surgery in New York. In 1989, he completed a two-year fellowship in metabolic bone disease and musculo-skeletal tumors at Memorial Sloan-Kettering Cancer Center in New York.

From 1989 through 1995, Dr. Mohler served as the regional Musculo-skeletal Tumor Specialist for Kaiser Permanente, Northern California. Additionally, from 1990 to 1995, he served as a Battalion Surgeon for the 3/12 Special Forces Group (Airborne). After 1995, he served as a Battalion Surgeon for the 426th Civil Affairs Battalion (Foreign Internal Defense/Unconventional Warfare). Dr. Mohler retired with the rank of Major, United States Army (Reserves).

Dr. Mohler is a Fellow of the American Academy of Orthopaedic Surgery, a member of the Orthopaedic Research Society, International Society of Limb Salvage, Special Operations Medical Association, The Connective Tissue Oncology Society, and numerous other professional organizations.

He is an advisor on soft-tissue sarcoma treatment protocols for the National Cancer Care Network, Inc. His basic science research experience includes research on osteogenic and angiogenic growth factors in animal models for Amgen Corporation, Collagen Corporation, and Genentech. He has extensive planning and management experience in medical economic models in the academic, government, and HMO environments.

Dr. Mohler is very active in charitable organizations, including service with the Flying Doctors service in East Africa, the International Medical Corps to treat casualties of the Afghan war, and training of mujihadeen combat medics. Since 1990, he has volunteered with Refugee Relief International, Inc., and now serves on the organization's Board of Directors. Dr. Mohler is a specialist in the Thai-Burma border area, where he conducts humanitarian missions several times per year providing medical assistance to victims in areas of armed conflict. He served on the Board of Directors of Bravekids.org., an internet resource for ill children, their families, and medical personnel.


Raffi Avedian, MDRaffi S. Avedian, MD

Musculoskeletal Tumor Surgeon

Dr. Raffi S. Avedian is a graduate of Pomona College where he completed his undergraduate studies with honors in Neuroscience. Upon finishing his medical degree from the University of Chicago, Pritzker School of Medicine, Dr. Avedian went on to complete his residency in orthopaedic surgery at the University of California, San Francisco. Dr. Avedian concluded his orthopaedic surgery training with a fellowship in Orthopaedic Oncology and Limb Reconstruction at the University of Chicago.
Dr. Avedian's clinical interests include surgery for bone and soft tissue tumors of the musculoskeletal system including complex limb reconstruction. Dr. Avedian's research focuses on tissue engineering for bone and soft tissue loss, implant development for limb reconstruction and development of intraoperative imaging techniques for limb salvage surgery.

Nancy Brook, PANancy Brook, RN, NP

Physician Assistant

Nancy Brook is a Certified Nurse Practitioner at Stanford Hospital and Clinics. A graduate of Vanderbilt University School of Nursing, and the University of San Francisco, she has Masters degrees in both Nursing and Counseling Psychology. Nancy has more than twenty years of experience treating patients, mentoring nurses and counseling families.  She has extensive experience managing cancer related pain as well as neuropathic pain and has been active in hospice as both a clinician and volunteer. She has been a preceptor for Nurse Practitioner students at UCSF, and is currently Adjunct Faculty at Georgetown and Rowan University.

Linda Jordan, PA

Physician Assistant

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