A Message to Our Community: Changes to our visitation policy are in effect until further notice.

Recent News

Irvine school nurses, staff learn Stop the Bleed techniques to respond in mass-casualty situation

Irvine school nurses and athletic trainers on Tuesday, Jan. 30, learned simple techniques that could save lives in a shooting or other ...

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Families anticipate exciting community blessing of surgical center

A community is as strong as its hospital, and with recent investments into Covenant Health Plainview, it’s evident that to our friends ...

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Severe Flu Season Tightens Its Grip on U.S.

Americans are being hit with one of the worst flu seasons in years, with misery now widespread across 46 states, health officials say. In ...

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About St. Joseph Health

SJH provides a full range of care facilities including 16 acute care hospitals, home health agencies, hospice care, outpatient services, skilled nursing facilities, community clinics and physician groups. All of our hospital and home health entities are accredited by the Joint Commission. In our award-winning facilities, SJH maintains a "continuum of care," matched to the diverse needs of the urban centers, smaller cities and rural communities who depend on us every day.

Thomas A. Hryniewicki, MD

4.9 out of 5 (100 Ratings)
  • Internal Medicine
    (Board Certified)
Additional Language Spoken
Polish, English
Medical Groups & Affiliations
  • Providence
  • St. Joseph Hospital Affiliated Physicians
845 East Chapman Avenue
Orange, CA 92866

Primary Office

845 East Chapman Avenue
Orange, CA 92866
Get Directions
(714) 997-2899
(714) 289-7062
Mon - Fri: 8 a.m. - 5 p.m.

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Internal Medicine
      (Board Certified)
    Education & Training
    • Medical School
      University of California Irvine - 1982
    • Internship
      University of California Irvine - 1983
    • Residency
      University of California Irvine - 1985
    Areas of Interest

    Skin Biopsy

  • Biography



    Your St. Joseph Hospital Affiliated Physicians strive to treat all patients with the highest levels of compassion, care and understanding, so you can expect an exceptional healthcare experience. They are committed to upholding St. Joseph’s ethics to treat every patient with exceptional care, without exception.

  • Insurance Accepted

    Insurance Accepted

    Insurance ID Numbers

    Aetna: *66797
    Blue Cross: *0WX170
    Blue Shield: 00G505430
    CIGNA: 598243
    CIGNA Select: 900539020
    Health Net: 3204023104
    Health Net Senior: 5148023104
    SCAN: 864-30712
    United Healthcare: *0183470054

    *Provider ID is the same for both HMO and Medicare Advantage Plans

  • 14-Jan-2020
    Very good.
    Visit begins with a handshake and ends with a smile & see you next time!
    I have been seeing *Dr. Thomas Hryniewicki for 30 years he's the best!!!
    Keep up the good work!
    My doctor is relational, professional, excellent & knowledgeable.
    32 Total Comments Page 1 2 3 4 5 6 7   Next