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Sandy Hwang Fang, M.D.

Headshot of Sandy Hwang Fang
  • Director, High Resolution Anoscopy Clinic
  • Assistant Professor of Surgery


Anorectal Disorders, Colon and Rectal Surgery, Colon Cancer, Colorectal Surgery, Crohn's Disease, Diverticulitis, Fecal Incontinence, Inflammatory Bowel Disease (IBD), Minimally Invasive Surgery, Rectal Cancer, Robotic and Laparoscopic Surgery, Sphincter-Preserving Surgery, Transanal Hemorrhoidal Dearterialization (THD), Transanal Minimally Invasive Surgery (TAMIS), Ulcerative Colitis more

Research Interests

Surgical management of rectal prolapse; HPV, anal dysplasia, and cancer more

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The Johns Hopkins Hospital

Appointment Phone: 443-997-1508
600 N. Wolfe Street
Baltimore, MD 21287 map

Johns Hopkins Outpatient Center

Appointment Phone: 443-997-1508
601 N. Caroline St.
Baltimore, MD 21287 map
Phone: 443-997-1508


Dr. Sandy Fang specializes in surgery for colon and rectal cancer, as well as benign colorectal conditions such as inflammatory bowel disease, rectal prolapse, anal fistulas and fecal incontinence. She performs high-resolution anoscopy and minimally invasive procedures to treat colorectal cancer, diverticulitis and inflammatory bowel disease.

She is board certified in general surgery, as well as colon and rectal surgery. more


  • Director, High Resolution Anoscopy Clinic
  • Director, Department of Surgery Apprenticeship Program
  • Assistant Professor of Surgery
  • Assistant Professor of Oncology

Departments / Divisions

  • Oncology - Cancer Prevention and Control and Viral Oncology
  • Surgery - Ravitch Colorectal Division

Centers & Institutes



  • MD; University of Iowa Roy J and Lucille A Carver College of Medicine (2005)


  • General Surgery; University of Iowa Hospitals and Clinics (2011)


  • Colorectal Surgery; UMDNJ-New Jersey Medical School (2012)

Board Certifications

  • American Board of Colon and Rectal Surgery (Colon & Rectal) (2013)
  • American Board of Surgery (General Surgery) (2011)

Research & Publications

Research Summary

Dr. Fang's research interests include high-resolution anoscopy and anal dysplasia/cancer, inflammatory bowel disease, and outcomes in rectal prolapse surgery. Among her recent studies, published in Diseases of the Colon and Rectum, is an NSQIP analysis of the comparative safety of abdominal versus perineal repair of rectal prolapse in high-risk patients.

Activities & Honors


  • Resident Teaching Award, Arnold P. Gold Foundation Humanism in Medicine
  • Above and Beyond Call of Duty award


  • American Board of Colon and Rectal Surgery (ASCRS)
  • American Board of Surgery (ABS)
  • American Society for Colposcopy and Cervical Pathology (ASCCP)
  • Society American Gastrointestinal Endoscopic Surgeons (SAGES)

Videos & Media

Recent News Articles and Media Coverage

Colorectal Cancer: Answers from Surgeon Sandy Fang

Colorectal cancer (cancer of the colon and rectum) is the second leading cause of cancer death in the United States, claiming the lives of approximately 56,000 people each year. Learn more about prevention, screening and treatment options with expert answers from Johns Hopkins colorectal surgeon Sandy Fang. 

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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