Dr. Mark F. Tsai
- Gender: Male
- Experience: 44 years
- Graduation year: 1977
- Sole propriator: Yes
- NPI: 1962566950
Dr. Mark F. Tsai M.D.
Gastroenterologist
He is located at 18350 Roscoe Boulevard Suite 210 in Northridge, CA 91325. Can help patients with the following: Celiac Disease, Feeding and Swallowing, Hot Flashes, Internal Bleeding, Lactose Intolerance, Pancreatitis. His National Provider Identifier (NPI) number is 1962566950. Appointment can be made via the phone number (818) 772-2798. He is affiliated with 1 practices.
Conditions treated
Dr. Mark F. Tsai, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Mark F. Tsai.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Mark F. Tsai
Medicare Enrollment
Dr. Mark F. Tsai is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- NORTHRIDGE, CA, 91325-4151
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AstraZeneca | $3739 |
| AbbVie | $3008 |
| Janssen | $2918 |
Other
| Food and Beverage | $30027 |
| Other | $20 |
Studies
Graduated in 1977Additional Specialities
- Internist
Looking for more Gastroenterologists?
Here are gastroenterologists in California you may want to explore.
- Gender: Male
- Address: 1150 Veterans Boulevard Redwood City, 94063, CA
- Gender: Male
- Address: 12486 Washington Boulevard Whittier, 90602, CA
- Gender: Female
- Address: 2929 Health Center Drive San Diego, 92123, CA
- Gender: Male
- Address: Suite 202 520 South Virgil Avenue Los Angeles, 90020, CA
- Gender: Male
- Address: Suite 115 25775 Mcbean Parkway Valencia, 91355, CA
- Gender: Female
- Address: Suite 125 2780 Skypark Drive Torrance, 90505, CA
- Gender: Female
- Address: 16018 Tuscola Road Apple Valley, 92307, CA
- Gender: Male
- Address: Suite 208 9900 Stockdale Highway Bakersfield, 93311, CA
- Gender: Male
- Address: 5400 West Hillsdale Avenue Visalia, 93291, CA
- Gender: Male
- Address: Suite 107 500 North Garfield Avenue Monterey Park, 91754, CA
Questions & Answers
Does Dr. Mark F. Tsai have affiliation with practices?
Dr. Mark F. Tsai is affiliated with West Valley Pulmonary Medical Group.
Where can you meet with Dr. Mark F. Tsai?
Dr. Mark F. Tsai's office is located at 18350 Roscoe Boulevard Suite 210 in Northridge, CA 91325.
What conditions does Dr. Mark F. Tsai treat?
Dr. Mark F. Tsai provides treatment for Celiac Disease, Feeding and Swallowing, Hot Flashes, Internal Bleeding, Lactose Intolerance, Pancreatitis. For the full list see this list.