Dr. Mark Tsuchiyose, MD | Daly City, CA | Gastroenterology

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Dr. Mark Tsuchiyose is a gastroenterologist with over four decades of medical experience treating digestive system disorders. They earned their medical degree from the Keck School of Medicine at the University of Southern California and completed residency training at LAC USC Medical Center. With 43 years in practice, Dr. Tsuchiyose has developed extensive expertise in diagnosing and treating conditions affecting the stomach, intestines, and related organs. They provide care in English to patients throughout the region.

Dr. Tsuchiyose practices at Seton Medical Center and serves patients in Daly City, California. They specialize in treating common digestive conditions including colon polyps, GERD, and acid reflux. Dr. Tsuchiyose performs essential diagnostic procedures such as colonoscopy and upper GI endoscopy to evaluate and monitor digestive health. Patients rate Dr. Tsuchiyose 4.6 out of 5 stars for their compassionate care and clinical expertise.

AI-generated from data on this provider profile.

4.6

16 Ratings
43 years of experience
38 insurance plans accepted
speaks English
Lac Usc Medical Center
9 written reviews
1 specialty
12 areas of expertise
1 board certification
1 hospital affiliation
1 office location

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me

Based on patient feedback. Read the reviews

Dr. Tsuchiyose's Ratings and Reviews

4.6

16 Ratings with 9 written Reviews

Average Wait Time 21 Minutes

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Dr. Tsuchiyose?

Patients’ Perspective

Gave an accurate diagnosis: (11) Did WellNeeds Improvement (0)
Had a good bedside manner: (9) Did WellNeeds Improvement (0)
Spent time with me: (11) Did WellNeeds Improvement (1)
Provided follow-up after the visit: (10) Did WellNeeds Improvement (1)
Flexible scheduling: (8) Did WellNeeds Improvement (0)
Saw me in a timely manner: No Ratings
Staff was courteous: No Ratings

16 ratings & reviews

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Showing 1 to 9 of 9 reviews

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I truly feel that he could help me with my problem because he’s very confidence such a professional doctor

November 20th, 2025

1 person found this helpful

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I’ve known Dr. Tsuchiyose over 10 years. He explains details before & after surgeries. He is comfortable to talk with along with his staff. I highly recommend him.

June 6th, 2025

2 people found this helpful

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I have had Dr. T. for 6 years and he is the greatest doctor as he explains in full detail the prognosis!!!!

February 25th, 2025

2 people found this helpful

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Dr. Tsuchiyose is an excellent doctor who takes the time to explain conditions and offers helpful suggestions. Have been going to him for years.

October 28th, 2024

2 people found this helpful

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Dr. Tsuchiyose has provided excellent professional care for many years as I deal with a chronic gastrointestinal issue.

June 11th, 2024

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Great team and Dr. Tsuchiyose is very thorough, professional and knowledgeable. I appreciate the great medical care.

January 6th, 2024

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Great Dr. my mother has been his patient since 2015 to present. Dr. Mark Tsuchiyose explains everything throughly. He’s very detailed and we are happy with his medical staff.

January 4th, 2024

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I saw Dr T today and was very impressed with his demeanor and concern as well as his plan to get to the bottom of my problem. The office staff is very patient and helpful. The doctor ran on schedule and got right to the plan for my issue. I am very pleased with this office and his staff.

October 16th, 2023

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Visit was just to confirm what issues I am having, would've been very helpful if the Dr recommended other Dr's instead of just telling me to do my own research. Not pretty helpful there.

August 24th, 2023

Dr. Mark Tsuchiyose

1850 Sullivan Ave Ste 420Daly City, CA 94015

Tel: (650) 993-6629


Dr. Mark Tsuchiyose, MD	Dr. Aida Habtezion	Dr. David Limsui	Dr. Shai Friedland
Gastroenterology	Gastroenterology	Gastroenterology	Gastroenterology
	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.6 (16 Ratings)	5 (1 Rating)	5 (7 Ratings)	4 (5 Ratings)
43 Years of Experience	30 Years of Experience	22 Years of Experience	30 Years of Experience
No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option
Speaks English	Speaks English	Speaks English
Daly City , CA	Palo Alto , CA	Palo Alto , CA	Stanford , CA
Med School: Keck School Of Medicine Of The University Of Southern California	Med School: Mc Master Univ Sch Of Med	Med School: University Of Illinois At Chicago College Of Medicine	Med School: UNIVERSITY OF CALIFORNIA DAVIS SCHOOL OF MEDICINE
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
Hepatitis C
Irritable Bowel Syndrome (IBS)
Ulcerative Colitis
Viral Human Hepatitis

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Residency

Lac Usc Medical Center

Medical School

Keck School Of Medicine Of The University Of Southern CaliforniaGraduated in 1983

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(2)

Does Dr. Mark Tsuchiyose accept my insurance?: You can see the insurance plans that Dr. Mark Tsuchiyose accepts on their Vitals profile.
Does Dr. Mark Tsuchiyose accept virtual/telehealth appointments?: Dr. Mark Tsuchiyose has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Mark Tsuchiyose's office located?: Dr. Mark Tsuchiyose's office is located at 1850 Sullivan Ave Ste 420, Daly City, CA, 94015.
Is Dr. Mark Tsuchiyose accepting new patients?: Dr. Mark Tsuchiyose has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Mark Tsuchiyose affiliated with?: Dr. Mark Tsuchiyose is affiliated with Seton Medical Center.

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