Our Physicians

Learn more about our physicians:

Lee Thompson, M.D. FACS

Surgical Oncologist

Dr. Thompson graduated from Auburn University with a Bachelor of Science in Microbiology. He received his medical degree from the University of South Alabama were he was elected into the Alpha Omega Alpha honor society. He is board certified in surgery, he completed his residency in general surgery at the University of Virginia where he also completed additional surgical oncology training with an emphasis on hepatobiliary and pancreatic surgery. He was active in melanoma vaccine research and has multiple publications on the subject. Dr. Thompson held a faculty position in the Department of Surgery at the University of Virginia prior to moving to Mobile in 2002.


Zhiqing Xing, M.D., Ph.D.

Orthopaedic Oncologist

Dr. Xing specializes in Musculoskeletal Oncology, treating benign and malignant tumors involving bone or soft tissue. He is also experienced in treating bone fractures and complex hip and knee replacement.

Dr. Xing attended medical school at Beijing Medical University and completed his orthopaedic residency training at Peking University Health Science Center in Beijing, China. He then completed a visiting fellowship in Japan. In November 2002, Dr. Xing came to the United States and since then has undergone extensive training in both orthopaedic research and clinical orthopaedic surgery. He completed training in orthopaedic research at the University of Tennessee-Campbell Clinic and at the University of California at San Francisco. For clinical training, he completed fellowship training in Orthopaedic Trauma at the University of New Mexico, Adult Reconstruction at the Virginia Commonwealth University, and Musculoskeletal Oncology at the University of Texas-MD Anderson Cancer Center.

In October 2011, Dr. Xing moved to Mobile and joined the faculty of Orthopaedic Surgery at the University of South Alabama and practices at the University Hospitals as well as Cancer Surgery of Mobile at Infirmary Health System.

  • Surgical Expertise:
    • Primary bone tumors, benign or malignant
    • Soft tissue tumors, benign or malignant
    • Bone metastatic lesions (from breast cancer, lung cancer, thyroid cancer, etc.)
    • Bone pathologic fractures or impending fractures
    • Severe joint destruction or bone loss, due to degeneration, inflammation, or trauma
    • Complex hip or knee replacement, primary or revision
    • Orthopaedic trauma (bone fractures involving extremities and pelvis)

Gerhard A. Boehm, M.D., FACS

General Surgeon

Dr. Boehm graduated from Duke University with a Bachelor of Science in Chemistry. He received his medical degree from the University of Alabama at Birmingham. Dr. Boehm is board certified in general surgery and completed his surgical residency at Emory University. He has performed more than 7,000 breast surgeries during his career.


Sharla Gayle Patterson, M.D., FACS

Breast Surgeon

Dr. Patterson received a Bachelor of Arts in Business Administration and a medical degree from Texas Tech University. She is fellowship trained in breast surgery oncology, including mastectomies and tumor removal, and specializes in oncoplastic surgery. Dr. Patterson is certified by the American Society of Breast Surgeons and has five years of post-fellowship experience.