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.
Talking with my doctor was great a conversation and the way he sprained to me let me onderstand all about
Aug-2025
Good patient service Dr Kogan very easy to talk to and explained and answered my questions
Aug-2025
Dr Kogan is very knowledgeable and he addressed all my concerns in a way that was easily understood.
Jul-2025
Dr. Kogan is a careful listener and compassionate professional. He gives my case careful analysis and communicates clearly what our options are for treatment. As a long time patient , I recommend him highly.
Jul-2025
Dr. Kogan is exceptionally personable as he manages a unpleasant but necessary procedure.
Jul-2025
Dr. Kogan is the best! He is knowledgable and offers sound advice, but is also pragmatic and listens to the patient's concerns.
Jul-2025
Dr. Kogan is always pleasant and easy to talk too! Excellent physician and very thorough. I’ve been seeing him for many years and he the best!!!!
Jul-2025
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
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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.
Talking with my doctor was great a conversation and the way he sprained to me let me onderstand all about
Good patient service Dr Kogan very easy to talk to and explained and answered my questions
Dr Kogan is very knowledgeable and he addressed all my concerns in a way that was easily understood.
Dr. Kogan is a careful listener and compassionate professional. He gives my case careful analysis and communicates clearly what our options are for treatment. As a long time patient , I recommend him highly.
Dr. Kogan is exceptionally personable as he manages a unpleasant but necessary procedure.
Dr. Kogan is the best! He is knowledgable and offers sound advice, but is also pragmatic and listens to the patient's concerns.
Dr. Kogan is always pleasant and easy to talk too! Excellent physician and very thorough. I’ve been seeing him for many years and he the best!!!!
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