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Dr. Mark Tsai

Gastroenterology
5.0 (23)
Map Pin Small Northridge, CA
Accepting new patients
46 years of experience

Overview of Dr. Mark Tsai

Dr. Mark Tsai is a Gastroenterology Specialist in Northridge, CA. They specialize in Gastroenterology, has 46 years of experience, and is board certified in Gastroenterology. They graduated from Harvard School of Public Health and is affiliated with Northridge Hospital Medical Center. Dr. Tsai, completed a residency at Hurley Med Ctr-Mich St U. Patients rated Dr. Tsai an average 5.0 star rating.

Dr. Tsai works at Practice in Northridge, CA. They frequently treat conditions like Gas-Bloat Syndrome along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Anthem Blue Cross as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Tsai's Office Locations

  1. 1
    Office
    18350 Roscoe Blvd Ste 210, Northridge, CA 91325 Icon Directions Right Arrow Directions Phone Icon (818) 772-2798

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Northridge Hospital Medical Center

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Gas-Bloat Syndrome
Constipation
Hemorrhoids
Gas-Bloat Syndrome
Constipation
Hemorrhoids

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Gas-Bloat Syndrome Chevron Icon
Constipation Chevron Icon
Hemorrhoids Chevron Icon
Abdominal Pain Chevron Icon
Anemia Chevron Icon
  • View other providers who treat Anemia
Colorectal Polyp Chevron Icon
Diaphragmatic and Hiatal Hernia Chevron Icon
Diarrhea Chevron Icon
  • View other providers who treat Diarrhea
Duodenitis Chevron Icon
Dysentery Chevron Icon
Dysphagia Chevron Icon
Enteritis Chevron Icon
Esophagitis Chevron Icon
Gallstones Chevron Icon
Gastritis Chevron Icon
Gastroesophageal Reflux Disease (GERD) Chevron Icon
Gastrointestinal Bleeding Chevron Icon
Gastroparesis Chevron Icon
Infectious Diarrheal Disease Chevron Icon
Intestinal Diverticulosis Chevron Icon
Irritable Bowel Syndrome Chevron Icon
Nausea Chevron Icon
  • View other providers who treat Nausea
Reflux Esophagitis Chevron Icon
Unexplained Weight Loss Chevron Icon
Urinary Tract Infection (UTI) Chevron Icon
Viral Enteritis Chevron Icon
Arterial Blood Gas Test (ABG) Chevron Icon
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy Chevron Icon
Duodenal Polypectomy Chevron Icon
Electrocardiogram (EKG) Chevron Icon
Endoscopy (Esophagus, Stomach, Small Intestine) Chevron Icon
ERCP (Endoscopic Retrograde Cholangiopancreatography) Chevron Icon
Flexible Sigmoidoscopy Chevron Icon
Manometry Chevron Icon
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage) Chevron Icon
Rigid Proctosigmoidoscopy Chevron Icon
Anal or Rectal Pain Chevron Icon
Barrett's Esophagus Chevron Icon
Benign Neoplasm of the Digestive System Chevron Icon
Biliary Atresia Chevron Icon
Cholecystitis and Gallstones Chevron Icon
Cirrhosis Chevron Icon
Colorectal Cancer Chevron Icon
Congenital Achalasia Chevron Icon
Crohn's Disease Chevron Icon
Dehydration Chevron Icon
Diffuse Esophageal Spasm Chevron Icon
Duodenal Ulcer Chevron Icon
Eosinophilic Esophagitis Chevron Icon
Esophageal Achalasia and Cardiospasm Chevron Icon
Esophageal Diverticulum Chevron Icon
Esophageal Motility Disorders Chevron Icon
Esophageal Ulcer Chevron Icon
Esophageal Varices Chevron Icon
Familial Adenomatous Polyposis Chevron Icon
Gallbladder Diseases Chevron Icon
Gastric Ulcer Chevron Icon
Gastrointestinal Diseases Chevron Icon
Gastrointestinal Malabsorption Chevron Icon
Gastroptosis Chevron Icon
Hemochromatosis Chevron Icon
Hepatitis B - Immune Response Chevron Icon
Hepatitis C Chevron Icon
Hernia Chevron Icon
  • View other providers who treat Hernia
Hiatal Hernia Chevron Icon
Ileus Chevron Icon
  • View other providers who treat Ileus
Indigestion Chevron Icon
Inflammatory Bowel Disease Chevron Icon
Intestinal Diverticulitis Chevron Icon
Intestinal Ischemia Chevron Icon
Intestinal Obstruction Chevron Icon
Ischemic Colitis Chevron Icon
Lactose Intolerance Chevron Icon
Liver Diseases and Disorders Chevron Icon
Malnutrition Chevron Icon
Neoplasm of Gastrointestinal Tract Chevron Icon
Non-Alcoholic Fatty Liver Disease Chevron Icon
Non-Neonatal Jaundice Chevron Icon
Noninfectious Gastroenteritis and Colitis Chevron Icon
Pancreatic Disease Chevron Icon
Pancreatitis Chevron Icon
Pancreatobiliary Disease Chevron Icon
Primary Biliary Cholangitis Chevron Icon
Pyloric Stenosis Chevron Icon
Retroperitoneum Cancer Chevron Icon
Stomach and Small Intestine Cancer Chevron Icon
Stomach Cancer Chevron Icon
Ulcerative Colitis Chevron Icon
Vascular Insufficiency of Intestines Chevron Icon
Viral Hepatitis Chevron Icon
Vomiting Disorders Chevron Icon
Colon Cancer Screening Chevron Icon
Colonoscopy With Polypectomy Chevron Icon
Colorectal Cancer Screening Chevron Icon
Diagnostic Endoscopy Chevron Icon
Fecal Impaction Removal Chevron Icon
Gallbladder Scan Chevron Icon
Gastric Tube Insertion Chevron Icon
Gastroenterology Procedures Chevron Icon
Hepatitis A Screening Chevron Icon
Hepatitis B Virus Screening Chevron Icon
Hepatitis C Virus Screening Chevron Icon
Hepatitis Screening Chevron Icon
Impedance Testing Chevron Icon
Instrumental Diagnostic Evaluation for Dysphagia Chevron Icon
Liver Biopsy Chevron Icon
Liver Function Test Chevron Icon
pH Probe Chevron Icon
  • View other providers who treat pH Probe
Screening Colonoscopy Chevron Icon
Therapeutic Endoscopy Chevron Icon
VAP Lipid Testing Chevron Icon
Wireless pH Testing Chevron Icon
Check your insurance
    Close Icon
    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Anthem
    • Anthem Blue Cross
    • Anthem Blue Cross Blue Shield
    • Blue Cross Blue Shield
    • Blue Cross Blue Shield of California
    • Blue Shield of California
    • CareFirst Blue Cross Blue Shield
    • Careplus
    • Cigna
    • Commercial Insurance Company
    • HAP Insurance
    • Health Net
    • MAPFRE Life Insurance Company of Puerto Rico
    • Medicare
    • Molina Healthcare
    • Oscar Health
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    5.0
    Average provider rating
    Based on 23 ratings
    Patient Ratings (23)
    5 Star
    (22)
    4 Star
    (1)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (0)
    Leave a review

    How was your appointment with Dr. Tsai?

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    Photo: Dr. Mark Tsai
    How would you rate your experience with Dr. Mark Tsai?
    • Likelihood of recommending Dr. Tsai to family and friends

    Dr. Tsai's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Tsai

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. Mark Tsai

    Specialties
    • Gastroenterology
    Specialties
    Years of Experience
    • 46 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.
    Languages Spoken
    • English, Chinese and Mandarin
    Languages Spoken
    NPI Number
    • 1962566950
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • University of Missouri School of Medicine
    Fellowship
    Residency
    • Hurley Med Ctr-Mich St U
    Residency
    Internship
    • Natl Taiwan U Hosp
    Internship
    Medical Education
    • Harvard School of Public Health
    Medical Education
    Undergraduate School
    • National Taiwan University
    Undergraduate School
    Board Certifications
    • Gastroenterology and Internal Medicine
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. Mark Tsai is accepting new patients on Healthline FindCare. You can check to see if Dr. Tsai is offering online scheduling or call the provider’s office for more information.

    Dr. Tsai has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Tsai has seen patients for Gas-Bloat Syndrome, and more. You can see other conditions treated by Dr. Tsai on their profile. Please call the provider’s office to confirm all visit reasons.

    23 patients have reviewed Dr. Tsai. The overall rating for this provider is 5.0. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Tsai.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Tsai, there are benefits to both methods. A person calling to schedule an with Dr. Tsai appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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