
Overview
Dr. Mark M. Tsuchiyose is a board-certified gastroenterologist with over 35 years of experience treating complex gastrointestinal and liver disorders. He provides personalized, patient-centered care and performs advanced diagnostic and therapeutic endoscopy with a strong emphasis on safety, comfort, and long-term outcomes. His approach blends clinical precision with a deep commitment to understanding each patient’s full health picture.
Expanded his clinical model through formal training in functional and holistic medicine since 2014, focusing on root causes of chronic disease.
Developed targeted nutritional strategies to support pyloric valve function and help patients reduce bile-related injury and discontinue long-term PPI therapy safely.
At CDCH, improves liver health, reducing liver fat in nearly 90% of patients through metabolic and nutrition-focused interventions.
Advocates for physician support, community health, and public wellness while helping patients transition away from unnecessary long-term acid suppression.
Committed to compassionate, whole-person care.
Dr. Tsuchiyose is highly rated in 7 conditions, according to our data. His clinical expertise encompasses Exocrine Pancreatic Insufficiency, Angiodysplasia of the Colon, Indigestion, Endoscopy, and Colonoscopy.
Dr. Tsuchiyose is board certified in Internal Medicine, Gastroenterology, and Hepatology. Dr. Tsuchiyose is currently accepting new patients.
Residency
Specialties
Licenses
Board Certifications
Hospital Affiliations
Languages Spoken
Gender
Awards
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- MEDICARE SNP
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
1850 Sullivan Ave, Suite 420, Daly City, CA 94015
Additional Areas of Focus
Dr. Tsuchiyose has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Stanford Health Care
Allison Kwong is a Hepatologist practicing medicine in Pleasanton, California. Dr. Kwong is highly rated in 20 conditions, according to our data. Her clinical expertise encompasses Liver Failure, Hepatitis, Ascites, Liver Transplant, and Endoscopy.
Van Ness Campus Medical Office Building
Kidist Yimam is a Hepatologist practicing medicine in San Francisco, California. Dr. Yimam is highly rated in 17 conditions, according to our data. Her clinical expertise encompasses Cholangitis, Sclerosing Cholangitis, Primary Biliary Cholangitis, Colonoscopy, and Endoscopy. Dr. Yimam is board certified in Transplant Hepatology - Board Certified. Dr. Yimam is currently accepting new patients.
Van Ness Campus Medical Office Building
Richard Frederick is a Hepatologist practicing medicine in San Francisco, California. Dr. Frederick is highly rated in 17 conditions, according to our data. His clinical expertise encompasses Hepatitis, Visceromegaly, Alcoholic Cirrhosis, Liver Transplant, and Endoscopy. Dr. Frederick is board certified in Transplant Hepatology - Board Certified. Dr. Frederick is currently accepting new patients.
Frequently Asked Questions about Dr. Mark M. Tsuchiyose
How do I make an appointment with Dr. Mark M. Tsuchiyose?
You can book an appointment with Dr. Mark M. Tsuchiyose by calling their office at 650-993-6629. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Mark M. Tsuchiyose a top-rated expert for Exocrine Pancreatic Insufficiency?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Mark M. Tsuchiyose is classified as an Advanced expert for Exocrine Pancreatic Insufficiency, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Mark M. Tsuchiyose specialize in?
While Dr. Mark M. Tsuchiyose is a Gastroenterology, they have specific expertise in Exocrine Pancreatic Insufficiency, Angiodysplasia of the Colon, and Indigestion. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.
Does Dr. Mark M. Tsuchiyose accept my insurance?
Dr. Mark M. Tsuchiyose accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 650-993-6629 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Angiodysplasia of the ColonDr. Tsuchiyose isAdvanced. Learn about Angiodysplasia of the Colon.
- DiarrheaDr. Tsuchiyose isAdvanced. Learn about Diarrhea.
- Exocrine Pancreatic InsufficiencyDr. Tsuchiyose isAdvanced. Learn about Exocrine Pancreatic Insufficiency.
- IndigestionDr. Tsuchiyose isAdvanced. Learn about Indigestion.
- Non-Alcoholic Fatty Liver DiseaseDr. Tsuchiyose isAdvanced. Learn about Non-Alcoholic Fatty Liver Disease.
- Nonalcoholic Steatohepatitis (NASH)Dr. Tsuchiyose isAdvanced. Learn about Nonalcoholic Steatohepatitis (NASH).
- Trichohepatoenteric SyndromeDr. Tsuchiyose isAdvanced. Learn about Trichohepatoenteric Syndrome.
- Experienced
- Abdominal Obesity Metabolic SyndromeDr. Tsuchiyose isExperienced. Learn about Abdominal Obesity Metabolic Syndrome.
- Alcoholic CirrhosisDr. Tsuchiyose isExperienced. Learn about Alcoholic Cirrhosis.
- Bacterial GastroenteritisDr. Tsuchiyose isExperienced. Learn about Bacterial Gastroenteritis.
- Barrett EsophagusDr. Tsuchiyose isExperienced. Learn about Barrett Esophagus.
- Benign Esophageal StrictureDr. Tsuchiyose isExperienced. Learn about Benign Esophageal Stricture.
- Childhood Iron Deficiency AnemiaDr. Tsuchiyose isExperienced. Learn about Childhood Iron Deficiency Anemia.
- Childhood PancreatitisDr. Tsuchiyose isExperienced. Learn about Childhood Pancreatitis.
- Childhood VolvulusDr. Tsuchiyose isExperienced. Learn about Childhood Volvulus.
- Chronic Erosive GastritisDr. Tsuchiyose isExperienced. Learn about Chronic Erosive Gastritis.
- CirrhosisDr. Tsuchiyose isExperienced. Learn about Cirrhosis.
- ColitisDr. Tsuchiyose isExperienced. Learn about Colitis.
- ColonoscopyDr. Tsuchiyose isExperienced. Learn about Colonoscopy.
- Cytochrome C Oxidase DeficiencyDr. Tsuchiyose isExperienced. Learn about Cytochrome C Oxidase Deficiency.
- Diverticular DiseaseDr. Tsuchiyose isExperienced. Learn about Diverticular Disease.
- EndoscopyDr. Tsuchiyose isExperienced. Learn about Endoscopy.
- Enlarged LiverDr. Tsuchiyose isExperienced. Learn about Enlarged Liver.
- EsophagitisDr. Tsuchiyose isExperienced. Learn about Esophagitis.
- Familial Colorectal CancerDr. Tsuchiyose isExperienced. Learn about Familial Colorectal Cancer.
- Gallbladder DiseaseDr. Tsuchiyose isExperienced. Learn about Gallbladder Disease.
- GallstonesDr. Tsuchiyose isExperienced. Learn about Gallstones.
- Gas Bloat SyndromeDr. Tsuchiyose isExperienced. Learn about Gas Bloat Syndrome.
- Gastric DysmotilityDr. Tsuchiyose isExperienced. Learn about Gastric Dysmotility.
- GastritisDr. Tsuchiyose isExperienced. Learn about Gastritis.
- Gastroesophageal Reflux Disease (GERD)Dr. Tsuchiyose isExperienced. Learn about Gastroesophageal Reflux Disease (GERD).
- Gastrointestinal BleedingDr. Tsuchiyose isExperienced. Learn about Gastrointestinal Bleeding.
- GastroparesisDr. Tsuchiyose isExperienced. Learn about Gastroparesis.
- GastrostomyDr. Tsuchiyose isExperienced. Learn about Gastrostomy.
- HepatitisDr. Tsuchiyose isExperienced. Learn about Hepatitis.
- Hepatitis CDr. Tsuchiyose isExperienced. Learn about Hepatitis C.
- Iron Deficiency AnemiaDr. Tsuchiyose isExperienced. Learn about Iron Deficiency Anemia.
- JaundiceDr. Tsuchiyose isExperienced. Learn about Jaundice.
- Lower Esophageal RingDr. Tsuchiyose isExperienced. Learn about Lower Esophageal Ring.
- Mitochondrial Complex V DeficiencyDr. Tsuchiyose isExperienced. Learn about Mitochondrial Complex V Deficiency.
- Morning SicknessDr. Tsuchiyose isExperienced. Learn about Morning Sickness.
- NecrosisDr. Tsuchiyose isExperienced. Learn about Necrosis.
- Painful SwallowingDr. Tsuchiyose isExperienced. Learn about Painful Swallowing.
- Peptic UlcerDr. Tsuchiyose isExperienced. Learn about Peptic Ulcer.
- Portal HypertensionDr. Tsuchiyose isExperienced. Learn about Portal Hypertension.
- ProctitisDr. Tsuchiyose isExperienced. Learn about Proctitis.
- Radiation EnteritisDr. Tsuchiyose isExperienced. Learn about Radiation Enteritis.
- Small Bowel Bacterial OvergrowthDr. Tsuchiyose isExperienced. Learn about Small Bowel Bacterial Overgrowth.
- Swallowing DifficultyDr. Tsuchiyose isExperienced. Learn about Swallowing Difficulty.
- Type B Insulin Resistance SyndromeDr. Tsuchiyose isExperienced. Learn about Type B Insulin Resistance Syndrome.
- Viral GastroenteritisDr. Tsuchiyose isExperienced. Learn about Viral Gastroenteritis.
- VisceromegalyDr. Tsuchiyose isExperienced. Learn about Visceromegaly.

