Dr. Mark Tsai, MD

Dr. Mark Tsai, MD

Gastroenterology  ·  
Male  ·  
67 y/o

Accepting new patients

Dr. Mark Tsai, MD is a gastroenterology specialist in Northridge, CA and has been practicing for 34 years. He specializes in gastroenterology.

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

18350 Roscoe Blvd Ste 210

Northridge, CA 91325
Get Directions

Insurance Accepted

  • 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

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

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.

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"

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

Read Less

11  Procedures

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.


  • 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.

Dr. Tsai's Reviews

Likelihood of recommending Dr. Tsai to family and friends
12 total reviews (5 have comments)

Likelihood to Recommend (12)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Tsai's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes

Patient Comments (5)

Dr Tsai is a fantastic doctor- very concerned and caring. Great diagnostician and makes tough subjects easy to discuss. Highly recommend him!!
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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...more
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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...more
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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...more
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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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