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
Insurances Accepted by Dr. Mark F. Tsai
- Medicare
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 is not a comment on insurance accepted, 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
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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.
Does Dr. Mark F. Tsai accept patients with Medicare?
Yes, Dr. Mark F. Tsai accepts patients with Medicare.
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.