Anna Suk-Fong Lok, MD
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About
Anna Suk-Fong Lok, MD, is the Alice Lohrman Andrews Research Professor of Hepatology in the Department of Internal Medicine, at Michigan Medicine in Ann Arbor, Michigan. Dr. Lok obtained her medical degree from the University of Hong Kong and her hepatology training under the late Dame Sheila Sherlock at the Royal Free Hospital in London, UK. She was on the faculty at the University of Hong Kong until she moved to the United States in 1992. Dr. Lok received one of the University of Michigan’s top honors in 2019 - Dame Sheila Sherlock Distinguished University Professor of Hepatology and Internal Medicine.
Dr. Lok's research focuses on the natural history and treatment of hepatitis B and C, and the prevention of liver cancer. She has published more than 600 papers on viral hepatitis and liver diseases and is the coauthor of 5 editions of the American Association for the Study of Liver Diseases Association Guidelines on Hepatitis B. She was one of the top 1% of most cited scientists in the world for the decade 2002-2012. Dr. Lok has trained more than 80 fellows and junior faculty from all over the world, some of whom have risen to the ranks of full professors and directors of liver programs in their home country. She received a Distinguished Mentor Award from the Michigan Institute of Clinical and Health Research in 2012, an Inspirational Physician Award from the American Medical Association in 2014, and a Distinguished Mentor Award from the American Gastroenterological Association in 2022. She was inducted into the Clinical Excellence Society in the Department of Internal Medicine in 2013.
Dr. Lok has received many awards throughout her career. She has been included in the list of Best Doctors and Who's Who for many years. She was inducted into the Association of American Physicians in 2012 and elected to the National Academy of Medicine in 2022.
She has received numerous awards from all over the world for her research in liver diseases and service to the hepatology community and to patients with liver diseases. These include the Distinguished Scientist Award from the Hepatitis B Foundation in 2008, the Distinguished Women Scientist Award from the American Gastroenterological Association in 2008, the Distinguished Service Award from the American Association for the Study of Liver Diseases in 2011, the Distinguished Scientific Achievement Award from the American Liver Foundation in 2015, the William Beaumont Prize in Gastroenterology from the American Gastroenterological Association in 2016, a Gold Medal Award from the Canadian Association for the Study of the Liver, an Honorary Doctor of Science degree from the University of Hong Kong in 2017, and the International Recognition Award from the European Association for the Study of the Liver in 2018.
Dr. Lok served as an associate editor of Hepatology in 2001-2006, a co-editor of the Journal of Viral Hepatitis in 2007-2009, and a senior associate editor of Gastroenterology in 2011-2012. She is currently an Associate Editor for Hepatology Communications.
Dr. Lok was the President of the American Association for the Study of Liver Diseases in 2017.
Areas of Practice
Viral Hepatitis (B and C), liver disease, cirrhosis
Locations
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Hepatology Clinic | Taubman Center 1500 E Medical Center Dr
Floor 3 Reception D
Ann Arbor, MI 48109-2435Get Directions -
Hepatology Clinic | Northville Health Center 39901 Traditions Dr
Floor 2
Northville, MI 48168-9493Get Directions
Insurance Accepted
University of Michigan Health participates with most health insurance plans.
Education & Training
Medical School or Training
Residency
Fellowships
Professional Organizations
Research Overview
Ongoing projects:
Hepatitis B
1. Natural history of hepatitis B and risk factors for disease progression
2. Evaluation of novel HBV markers
3. Safety and efficacy of new treatments for hepatitis B
4. Risk factors and prevention of reactivation of hepatitis B
Hepatitis C
1. Prediction models for disease progression
Hepatocellular Carcinoma (HCC)
1. Biomarkers for early diagnosis
2. Prediction models for HCC
Nonalcoholic Fatty Liver Disease (NAFLD)
1. Pathophysiology of lean vs. obese NAFLD
Links
Patient Ratings & Comments
Visit our Physician Ratings & Comments page to learn more about how patient ratings are collected, calculated, and updated to help you make an informed decision when choosing the right physician for your care.
Patient Ratings
226 Patient Ratings
Patient Comments
February 17, 2026 - "Dr. Lok continues to be a reference in every aspect. Always very careful and taking the time to listen and emphasize the important points"
November 27, 2025 - "Dr.Lok was fantastic! She made my appointment quick, easy and understandable. She had a game plan for tests and treatments that I agreed with and didn't make me feel unheard. I felt like we were on the same page and even though the appointment seemed fairly quick, I left without having any additional questions. Once results were back Dr.Lok already responded to my results in the portal. I am so glad to have Dr.Lok as a doctor! She is awesome."
November 4, 2025 - "Dr Anna Lok is the best"
October 30, 2025 - "Dr. Lok is the BEST! I would recommend her to anyone seeking the best treatment in [...] care - worldwide!"
October 26, 2025 - "Dr. Lok is the best of the best. I feel fortunate to have her as my hepatologist."
October 23, 2025 - "Dr.Lok is awesome. She tells it like it is and holds me accountable for following directions for my care."
October 20, 2025 - "Dr. Lok is an exceptional provider. I worry a lot and she is always willing to listen to my concerns and encourages me to work on diet and exercise. She is never discouraging. I am so fortunate to have her for a provider"
October 17, 2025 - "I feel that Dr. Lok is genuinely concerned about my well being. She offered several suggestions that could help me."
August 30, 2025 - "Dr. Lok is an outstanding physician who identified my potential [...] after listening to my description of [...]"
July 31, 2025 - "I was [...]with Dr Lok many years ago. I consider myself luck to have her as my Physician again."
