Dr. Mark Kogan, M.D. received his undergraduate and MD degrees from Northwestern University. After completing his Internal Medicine residency at Cornell University, he went on to complete his Gastroenterology and Hepatology fellowship at the University of Colorado Health Sciences Center. Dr. Kogan has been practicing in the Bay Area since 1987 and has been exhaustively involved in the medical community in numerous leadership roles.
Dr. Mark Kogan, M.D. received his undergraduate and MD degrees from Northwestern University. After completing his Internal Medicine residency at Cornell University, he went on to complete his Gastroenterology and Hepatology fellowship at the University of Colorado Health Sciences Center. Dr. Kogan has been practicing in the Bay Area since 1987 and has been exhaustively involved in the medical community in numerous leadership roles.
The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.
Thorough and patient
Jun-2025
Dr Kogan listens well, and had a plan to move forward with my problems. He has helped with bleeding ulcer and other issues. His manner makes me feel better.
Jun-2025
el mejor
Jun-2025
Super personable and friendly.
Jun-2025
Nice makes u feel comfortable and asked if u have any questions
May-2025
muy bueno 👌
Apr-2025
I appreciated his patience and kindness answering all my questions.
Apr-2025
Excellent physician
Apr-2025
His records have missing data though
Apr-2025
I was overwhelmed by text msgs. Then the last one reminded me to come 15 minutes early. I did but they were closed for lunch.
Apr-2025
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GI-San Pablo
2089 Vale Rd Suite 33 San Pablo, CA 94806
GI-Berkeley
2999 Regent Street Suite 701 Berkeley, CA 94705
Dr. Mark Kogan, M.D. received his undergraduate and MD degrees from Northwestern University. As a member of the prestigious Honors Program in Medical Education, he earned both degrees in a total of 6 years. After completing his Internal Medicine residency at Cornell University, he went on to complete his Gastroenterology and Hepatology fellowship at the University of Colorado Health Sciences Center in Denver, Colorado.
Dr. Kogan has been practicing in the Bay Area since 1987 and has been exhaustively involved in the medical community in numerous leadership roles. He has served as Chief of Staff at Doctors Medical Center and as President of the Alameda Contra Costa Medical Association, and as Chief of Gastroenterology at Alta Bates Summit Medical Center. Additionally, he has served as a Regional Medical Director for the Alta Bates Medical Group as well as sat on the clinical practice committee for the American Gastroenterology Association. Currently, he is a member of the California delegation to the American Medical Association and serves on the Board of Trustees of the California Medical Association. He also has had teaching appointments at UCSF School of Medicine as Assistant Clinical Professor and an Adjunct Associate Professor at Touro Osteopathic Medical School. He has been named one of the top Gastroenterologists in the Bay Area by San Francisco Magazine for 2016, 2017, and 2018.
A native of Chicago, Dr. Kogan enjoys spending time with his family. He also enjoys the natural beauty of the Bay Area and spends his free time hiking, skiing, and golfing.
Thorough and patient
Dr Kogan listens well, and had a plan to move forward with my problems. He has helped with bleeding ulcer and other issues. His manner makes me feel better.
el mejor
Super personable and friendly.
Nice makes u feel comfortable and asked if u have any questions
muy bueno 👌
I appreciated his patience and kindness answering all my questions.
Excellent physician
His records have missing data though
I was overwhelmed by text msgs. Then the last one reminded me to come 15 minutes early. I did but they were closed for lunch.