Dr. Anna Suk-Fong Lok, MD

Dr. Lok practices at University Hospital in Ann Arbor, Michigan.

Dr. Lok's NPI, 1013090935, was assigned on October 23, 2006. Dr. Lok holds Michigan license 4301067002.

Dr. Lok's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.

Dr. Lok's primary practice is University Hospital in Ann Arbor, Michigan. Dr. Lok is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Lok to 3 more hospitals and 4 medical groups, each named with a free account. Dr. Lok's employer is on file too: a school & student health.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lok practices, 5 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Lok's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Lok is licensed in Michigan.

CMS data shows 210 Medicare services from Dr. Lok across 5 procedure codes in 2024, for 160 Medicare patients. Medicare paid $9,519 for them.

CMS counts 160 Medicare patients who saw Dr. Lok in 2024. The largest group is 65 to 74, with 84 patients. 66% of them have high blood pressure, and 66% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.92, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Lok's median patient age at 60, with 52% women.

In 2024, Dr. Lok wrote 584 Medicare Part D claims for 110 patients. 88% of them were for generic drugs. CMS names the drug for 523 of them, across 14 drugs with 11 or more claims each, at $150,285 in total drug cost. In 2023, CMS named 528 claims across 13 drugs.

Dr. Lok accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lok as offering telehealth.

Dmand AI links 152 papers to Dr. Lok, published from 2010 to 2025. 2017 was the busiest year, with 15. The most frequent topics are Antiviral Agents, Hepatitis B, Chronic and Hepatitis B virus. Dr. Lok has published most often in Hepatology. Dr. Lok's most frequent co-authors are Richard K. Sterling, MD, Elliot Benjamin Tapper, MD and Kyong-Mi Chang, MD.

Dmand AI links Dr. Lok to 3 clinical trials. Conditions studied include Hepatitis C, Hepatitis C, Chronic and Liver Cirrhosis, Biliary.

CMS Open Payments shows 31 general payments to Dr. Lok from 9 drug and device companies from 2018 to 2025. Consulting fees make up the largest share, 87% of the total. Gilead Sciences, Inc. paid the most, $9,851.