Dr. Mark H. Kogan, MD | San Pablo, CA | Gastroenterology

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Dr. Kogan graduated from the Northwestern University Feinberg School of Medicine in 1980. Dr. Kogan works in San Pablo, CA and 1 other location and specializes in Gastroenterology.

accepting new patients
4.3

34 Ratings
46 years of experience
57 insurance plans accepted
speaks English
University Of Colorado Health
20 written reviews
1 award
1 specialty
10 areas of expertise
1 board certification
2 office locations

Patients express positive feedback about Dr. Mark Harold Kogan, highlighting his professionalism, attentiveness, and genuine care. They appreciate his insightful guidance, comprehensive approach without pushing unnecessary procedures, and the friendly, competent staff. Negative feedback is minimal, with some reviews expressing concerns over the potential retirement of Dr. Kogan, reflecting strong patient loyalty. Overall, patients feel well-cared for and trust Dr. Kogan’s expertise.

AI-generated from the text of patient reviews

34 ratings & reviews

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Showing 1 to 10 of 20 reviews

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Dr. Kogan is one of those rare docs where when the door closes you have his full attention until your questions are all answered and a plan forward is achieved. His is the best.

December 2nd, 2025

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My impression after visiting Dr Kogan’s office was that they were friendly, competent and knowledgeable. Both Dr Kogan and his physician assistant Tegen were caring and sharp. His staff was friendly and parking was easy.

September 17th, 2025

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I appreciate that Dr. Kogan feels like a doctor I can trust. He listens and offers supportive suggestions such as further testing without pushing medications or unnecessary procedures. He seems like the real deal and that he truly cares. This gentle soul is a rarity now. I sense I'm in good hands.

May 7th, 2025

1 person found this helpful

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The doctor was very pleasant and kind o appreciate his kindness. Plus helping me understand what was going on with me to help me better understanding

January 22nd, 2025

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Appointment was quick and easy. Him and his staff r so nice :)

September 19th, 2024

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Dr Kogan is always attentive, friendly and professional. He takes time with each patient to ensure all their issues are addressed. His new office manager is very knowledgeable and easy to work with.

May 8th, 2024

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Dr is very engaged and understanding, sensitive and patient.

January 10th, 2024

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I have prohibited Dr. Kogan to retire! He is professional, knowledgeable and has great bedside manners. He listens to you and works with you. I only go to Dr. Kohan for my Gai problems and he has always helped me!

December 2nd, 2023

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Dr Kogan was very nice and took time to understand my issues and answer questions. His plan made sense and made me feel more hopeful. His staff was very nice too

November 9th, 2023

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Dr Mark Kogan has always been extremely professional, with good insight and advice. I like that he provides options with two different locations, one in Berkeley Way in San Pablo

November 9th, 2023

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Click for our Methodology

Unio Specialty Care - Gastroenterology

2089 Vale Rd Ste 33San Pablo, CA 94806

Tel: (341) 215-2054

Unio Specialty Care - Gastroenterology

2999 Regent St Ste 701Berkeley, CA 94705

Tel: (510) 234-5012


Dr. Mark H. Kogan, MD	Ashley Anderson, APRN	Dr. Amanda Cheung	Rebecca Humphries, APRN
Gastroenterology	Gastroenterology	Gastroenterology	Gastroenterology
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.3 (34 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
46 Years of Experience		16 Years of Experience
No Virtual Visit Option	Virtual Visit Available	No Virtual Visit Option	Virtual Visit Available
Speaks English	Speaks English	Speaks Chinese, Spanish	Speaks English
San Pablo , CA	SACRAMENTO , CA	Emeryville , CA	SACRAMENTO , CA
Med School: Northwestern University Feinberg School Of Medicine	Med School: East Tennessee State University - Quillen College of Medicine	Med School: University Of South Carolina School Of Medicine Columbia	Med School: Emory University
Current Profile	View Profile	View Profile	View Profile

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Gastroenterology

Abdominal Pain
Acid Reflux Disease (Gastroesophageal Reflux / GERD)
Acid Reflux Disease (GERD)
Celiac Disease
Colonoscopy
Constipation
Hemorrhoids
Hepatitis C
Irritable Bowel Syndrome (IBS)
Ulcerative Colitis

MEDICAL LICENSE

Medical Doctor, California, 2027, Active

EDUCATION & TRAINING

Residency

University Of Colorado Health

Medical School

Northwestern University Feinberg School Of MedicineGraduated in 1980

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Does Dr. Mark Kogan accept virtual/telehealth appointments?: Dr. Mark Kogan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Mark Kogan speak?: Dr. Mark Kogan speaks English.
How can I make an appointment with Dr. Mark Kogan?: You can find contact information for Dr. Mark Kogan here on Vitals.
Is Dr. Mark Kogan accepting new patients?: Dr. Mark Kogan is accepting new patients on Vitals. View Dr. Mark Kogan's profile on Vitals to make an appointment.
Does Dr. Mark Kogan accept my insurance?: You can see the insurance plans that Dr. Mark Kogan accepts on their Vitals profile.

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