Hueylan Chern, MD

Colorectal surgeon

Dr. Hueylan Chern is a colorectal surgeon at UCSF Medical Center. She specializes in laparoscopic procedures for conditions such as colorectal cancer, inflammatory bowel disease and diverticular disease. She has expertise in endorectal ultrasound, transanal endocscopic microsurgery and sphincter preserving operations. In her research, her interests include endorectal ultrasound and colorectal cancer.

Chern earned a medical degree at the medical school of the University of Medicine and Dentistry of New Jersey(UMDNJ) in Newark. She completed general surgery training at Brown University and a colorectal surgery fellowship at UMDNJ, followed by additional oncology training at Memorial Sloan-Kettering Cancer Center in New York City. She is an associate professor of surgery at UCSF.


Center for Colorectal Surgery
1825 Fourth St., Fourth Floor
San Francisco, CA 94158
Phone: (415) 885-3606
Fax: (415) 885-7678

Hours: Monday to Friday
8 a.m. – 4:30 p.m.

Center for Pelvic Physiology
1825 Fourth St., Fourth Floor
San Francisco, CA 94158
Urinary Incontinence and Urodynamics Testing: (415) 885-7788
All Other Appointments: (415) 885-7673
Fax: (415) 885-7678

Hours: Office open Monday to Friday, 9 a.m. – 4:30 p.m.

Appointment hours vary

Conditions & Treatments

Board Certification

Colon & Rectal Surgery, American Board of Colon and Rectal Surgery
Surgery, American Board of Surgery

Academic Title

Associate Professor

More about Hueylan Chern

Additional Languages



University of Medicine and Dentistry of New Jersey School of Medicine 2002


Warren Alpert School of Medicine-Borwn University, Surgery 2007


University of Medicine and Dentistry of New Jersey , Colon and Rectal Surgery 2008
Memorial Sloan-Kettering Cancer Center, Transrectal Ultrasound 2009

Selected Research and Publications

  1. Green CA, Kim EH, O'Sullivan PS, Chern H. Using Technological Advances to Improve Surgery Curriculum: Experience With a Mobile Application. J Surg Educ. 2018 Jan 31.
  2. Green CA, Chern H, O'Sullivan PS. Current robotic curricula for surgery residents: A need for additional cognitive and psychomotor focus. Am J Surg. 2018 Feb; 215(2):277-281.
  3. Green CA, Huang E, Zhao NW, O'Sullivan PS, Kim E, Chern H. Technical skill improvement with surgical preparatory courses: What advantages are reflected in residency? Am J Surg. 2017 Nov 01.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.