Dr. Mark Tsai, MD

Dr. Mark Tsai, MD

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Gastroenterology  |  
Male  |  
66 y/o
(11)

Accepting new patients

Dr. Mark Tsai, MD is a gastroenterology doctor who practices in Northridge, CA. He is 66 years old and has been practicing for 40 years. Dr. Tsai is affiliated with Northridge Hospital Medical Center.

Mark F. Tsai M.D., F.A.C.G., M.P.H., Northridge, CA

18350 Roscoe Blvd Ste 210

Northridge, CA 91325
Get Directions

Accepted insurance

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • Careplus
  • Cigna
  • Commercial Insurance Company
  • HAP Insurance
  • MAPFRE Life Insurance Company of Puerto Rico
  • Medicare
  • UnitedHealthCare

Learn about Dr. Tsai

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

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See how frequently Dr. Tsai performs your care needs compared to other doctors.

Duodenitis
very high
more than 97% of peers
Abdominal Pain
very high
more than 97% of peers
Abdominal Disorders
very high
more than 97% of peers

Dr. Tsai's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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Care Philosophy

This content was provided by Dr. Tsai "I try to communicate with my patients. I strive to explain their medical condition and discuss their treatment options in plain language. Questions are answered. I want no patient to leave the office thinking they were rushed through their visit"

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1

Specialties

  • Gastroenterology
2

Board Certifications

  • Gastroenterology
    Accredited by: American Board of Physician Specialties*
  • Internal Medicine
    Accredited by: American Board of Physician Specialties*
77

Conditions Treated

  • Abdominal Disorders
  • Abdominal Pain
  • Anal or Rectal Pain
  • Anemia
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Biliary Atresia
  • Blood Disorders
  • Cancer
  • Cholecystitis and Gallstones
  • Cirrhosis
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysentery
  • Dysphagia
  • Enteritis
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Gallbladder Diseases
  • Gallstones
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastroparesis
  • Hemochromatosis
  • Hemorrhoids
  • Hepatitis B - Immune Response
  • Hepatitis C
  • Hernia
  • Ileus
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Liver Damage from Alcohol
  • Liver Diseases and Disorders
  • Malnutrition
  • Nausea
  • Neoplasm of Gastrointestinal Tract
  • Non-Alcoholic Fatty Liver Disease
  • Non-Neonatal Jaundice
  • Noninfectious Gastroenteritis and Colitis
  • Pancreatic Disease
  • Pancreatitis
  • Pancreatobiliary Disease
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Small Intestine Cancer
  • Stomach Cancer
  • Stomach Diseases
  • Stomach and Small Intestine Cancer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Vascular Insufficiency of Intestines
  • Viral Hepatitis
  • Vomiting Disorders

More

Read More
11

Procedures

  • Colonoscopy With Polypectomy
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Diagnostic Endoscopy
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Fecal Impaction Removal
  • Gastric Tube Insertion
  • Gastroenterology Procedures
  • Liver Biopsy
  • Manometry
  • Therapeutic Endoscopy

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • National Taiwan University
    Undergraduate School | Graduated 1977
  • College of Medicine / National Taiwan University
    Medical School | Graduated 1977
  • Harvard School Of Public Health
    Medical School | Graduated 1979
  • Natl Taiwan U Hosp
    Internship Hospital | Completed 1977
  • Hurley Med Ctr-Mich St U
    Residency Hospital | Completed 1982
  • University Mo Columbia School Med
    Fellowship Hospital | Completed 1984

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Tsai has no media or publications listed.

Languages Spoken

  • English
  • Chinese
  • Taiwanese

Memberships & Professional Affiliations

Dr. Tsai does not have any memberships or affiliations listed. If you are Dr. Tsai and would like to add memberships or affiliations, please update your profile.

Northridge Hospital Medical Center

is a Recipient of a Healthgrades Excellence Award
Gastrointestinal Care Excellence Award

Hospital Quality Award

Dr. Tsai is on the medical staff at our top-rated hospital.

View Awards

Dr. Tsai's Reviews

Likelihood of recommending Dr. Tsai to family and friends
4.9
based on 11 total reviews (4 with comments)
Dr. Tsai's Performance
  • Trustworthiness
    EXCELLENT
  • Explains condition(s) well
    EXCELLENT
  • Answers Questions
    EXCELLENT
  • Time well spent
    EXCELLENT
Office & Staff Performance
  • Scheduling
    EXCELLENT
  • Office environment
    EXCELLENT
  • Staff friendliness
    EXCELLENT
  • Average wait time
    10 to 15 minutes
Patient Comments (4)
in northridge, ca |
Love Dr.Tsai and his wife who is also his secretary; they both have the heart and motivation to help people; He is a man of his word...once he is involved He is really involved rain or shine; weekdays or weekends. He will keep on going and explore different option with you as long as you are willing. Thank Dr.Tsai for taking my mom when we were desperate...we went in with your plans to the hospital with mom at about 90 pounds and she came out 118 pounds two weeks later. He worker hard!!!
Chatsworth, CA |
Never seen a doctor so conscientious and enthusiastic in helping patients to understand the nature of a medical problem with all its possible ramifications and treatment alternatives. Dr. Tsai impressed me as a distinguished professor while functioning as a wonderful physician. His warmth, compassion and bedside manners are equally commendable.
in Chatsworth, CA |
When my husband wasn't feeling well, and we thought something was wrong with him, Dr. Tsai got us into his office immediately. He ordered labs, reports, and everything that we needed to make certain that my husband was ok. He sat with us and explained EVERYTHING and he explained it in terms that we could understand. He is a wonderful doctor and his office staff is also very nice to deal with.
Northridge, CA |
Dr. Tsai was very friendly, clearly enjoys helping his patients, and was wonderful explaining and answering any questions. It was a great experience and I would recommend Dr. Tsai to everyone.
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Visit Dr. Tsai

Now Accepting New Patients
Dr. Tsai accepts 12 insurance carriers
  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
    Blue Access PPO
    Blue Advantage PPO
    Blue Card PPO
  • Blue Cross Blue Shield of California
    Blue Cross Blue Shield of California PPO
  • Blue Shield of California
  • Careplus
  • Cigna
    Choice Fund PPO
  • Commercial Insurance Company
  • HAP Insurance
    Medicare Advantage PPO
  • MAPFRE Life Insurance Company of Puerto Rico
    Choice
  • Medicare
    Medicare of California PPO
  • UnitedHealthCare
    Basic PPO
    Bronze Copay Select
    Bronze HSA 100

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Tsai has admitting privileges

Northridge Hospital Medical Center
18300 Roscoe Blvd
Northridge, CA 91325
View Hospital Profile