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.
He’s a thorough doctor
Mar-2025
Excelente is perfect
Mar-2025
Professional personally, knowledgeable, comfortable
Mar-2025
Listens, responds, knowledge of new treatments, expressed caring, friendly staff.
Mar-2025
Kind, patient and knowledgeable
Mar-2025
Clearly explained the procedure and Carla clearly explained what we could expect for their support.
Mar-2025
Dr. Kogan has been my GI specialist for 17 years. He is responsive, knowledgeable and a great physician
Feb-2025
He made me feel so comfortable and took the time needed to answer all of my questions.
Feb-2025
El Dr. Marco Kogan muy amable y me explicó paso a paso todo sobre mi estado.
Feb-2025
Personable, patient and professional.
Jan-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.
He’s a thorough doctor
Excelente is perfect
Professional personally, knowledgeable, comfortable
Listens, responds, knowledge of new treatments, expressed caring, friendly staff.
Kind, patient and knowledgeable
Clearly explained the procedure and Carla clearly explained what we could expect for their support.
Dr. Kogan has been my GI specialist for 17 years. He is responsive, knowledgeable and a great physician
He made me feel so comfortable and took the time needed to answer all of my questions.
El Dr. Marco Kogan muy amable y me explicó paso a paso todo sobre mi estado.
Personable, patient and professional.