José Gaston Guillem, MD, FACS, FACRS

Professor of Surgery; Chief, Gastrointestinal Surgery

UNC Health Provider

UNC Health providers are employed by an organization within UNC Health.


Gastrointestinal Surgery, Cancer
8:00 AM - 5:00 PM 8:00 AM - 5:00 PM 8:00 AM - 5:00 PM 8:00 AM - 5:00 PM 8:00 AM - 5:00 PMClosed Today Closed Today
Accepting New Patients

Location Information

UNC Hospitals Multispecialty Surgery Clinic
101 Manning Drive
First Floor
Chapel Hill, NC 27514
On Public Transportation, Handicap Accessible


Day of the WeekHours
Monday8:00 AM - 5:00 PM
Tuesday8:00 AM - 5:00 PM
Wednesday8:00 AM - 5:00 PM
Thursday8:00 AM - 5:00 PM
Friday8:00 AM - 5:00 PM

About the Provider


  • Gastrointestinal Surgery
  • Cancer


  • Colo-Rectal Surgery
  • Gastrointestinal Oncology

Provider Details

Type: Clinician
Gender: Male

Medical School

  • Yale University, 1979 - 1983


  • Lahey Clinic, 1990 - 1991
  • Area: Colorectal Surgery

Internship and Residency

  • Columbia-Presbyterian Medical Center, 1983 - 1990
  • Area: Surgery

Bachelor of Arts

  • New York University, 1974 - 1978
  • Area: Biochemistry

Master of Public Health

  • Yale University, 1986 - 1988

Research Fellowship

  • Columbia-Presbyterian Medical Center, 1985 - 1987

Master of Business Administration

  • Brandeis University, 2017 - 2019


  • Surgery, Board Certified, 1991
  • Colon and Rectal Surgery, Board Certified, 1994
Procedures for malignant and benign diseases of the colon, rectum and anus including colon, rectal and anal cancer; inflammatory bowel disease; rectal prolapse; diverticulitis; risk-reducing surgery for Lynch Syndrome; polyposis syndromes; young-onset and other forms of inherited colorectal cancer with a focus on minimally invasive techniques including laparoscopic, robotic and transanal microscopic surgery leading to preservation of gastrointestinal, bladder and sexual function

Insurance Accepted

  • Aetna Commercial Plans (Other than Aetna Whole Health)
  • Aetna Whole Health (Tier 2)
  • Aetna Medicare Advantage Plans (Other than Aetna Prime HMO)
  • AmeriHealth Caritas North Carolina Medicaid
  • BCBSNC Commercial Plans
  • North Carolina State Employees Health Benefit Plan (Active employees)
  • BCBSNC Blue Home with UNC Health Alliance
  • BCBSNC Medicare Advantage (Other than Experience Health)
  • Healthy Blue Medicaid
  • Carolina Complete Health Medicaid (Centene)
  • Cigna Commercial Plans (Other than Cigna Connect)
  • Cigna Secure Medicare Advantage
  • Contigo Health Plan (WakeMed employees only)
  • Humana Medicare Advantage PPO
  • Humana Medicare Private Fee-for-Service
  • North Carolina State Employee Health Benefit Plan (Medicare Advantage for retirees)
  • Liberty Advantage Medicare Advantage
  • MedCost PPO
  • UnitedHealthcare Commercial Plans
  • UnitedHealthcare Medicare Advantage
  • UnitedHealthcare Exchange (ACA) Plans
  • UnitedHealthcare Community Plan Medicaid
  • Veterans Affairs Community Care Network
  • WellCare of North Carolina Medicaid
* Coverage for certain behavioral health, Medicare and commercial plans as well as TriCare varies across UNC Health entities. Please call prior to your visit to determine coverage.
UNC Health contracts with most health insurance companies including, but not limited to, the ones listed here. While we do our best to keep this list up-to-date, it often changes. Professional fees charged by care providers and organizations who are not employed, owned or managed by UNC Health may not be included under the same insurance contracts and may bill separately. Before scheduling your appointment, please contact the organization or care provider in charge of delivering these services as they may be able to help you identify who will be providing these services. Your insurance company can help to determine which specific services, locations and providers are covered by your plan as well as provide you with information regarding co-payments, deductibles or any additional charges that may be your responsibility. UNC Health makes no representation or guarantee of benefits or coverage. Services not covered by your insurance company will be your responsibility. If you are in need of financial assistance, please visit our Financial Assistance page. For additional information regarding insurance accepted at UNC Health, please visit our Insurance page.

Patient Feedback

4.5 out of 5
(86 Ratings, 14 Comments)