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General Surgery


For more information or to schedule an appointment, call (203) 568-2929.

Alliance Medical Group has a surgical practice that offers a number of different types of surgical procedures. All of our surgeons are Board Certified in their respective fields and many of our surgeons have had advanced fellowship training. Our surgeons utilize the most advanced minimally invasive technology such as laparoscopic and robot assisted surgery. This allows for less discomfort and quicker recovery and helps our patients live longer, fuller lives.

Our surgeons perform operations in the following areas:

  • Abdomen and its contents
  • Breast, skin, and soft tissue
  • Cancer and tumors
  • Colon and rectal disorder
  • Head and neck, including trauma, vascular, endocrine, congenital and oncologic disorders - particularly tumors of the skin
  • Surgical oncology, including coordinated multimodality management of the cancer patient by screening, surveillance, surgical adjunctive therapy, rehabilitation, and follow-up
  • Robotic hernia repair

Two of Our Areas of Surgical Specialty

Colorectal surgery: Our highly experienced fellowship trained colorectal surgeon, Dr. Zhongqiu John Zhang, provides care for the full range of colon and rectal disorders including cancer, hemorrhoids, fistulas, fissures, incontinence, inflammatory bowel disease, etc. You can learn more about Dr. Zhang here.

Our Team

Juan Diego Holguin, MD
David Knight, MD
Scott Kurtzman, MD
Elizabeth C. Riordan, MD, FACS
Zhongqiu John Zhang, MD, PhD