Careers With St. Joseph Health

Our Values are more than just words.

They form the heart and soul of St. Joseph Health and are the prime reason we attract and retain high-caliber employees who believe in the sanctity of their work in our faith-based setting.

Recent News

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

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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.

Tackson Tam, MD

4.7 out of 5 (162 Ratings)
  • Internal Medicine
    (Board Certified)
Additional Language Spoken
Korean, Mandarin Chinese
Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group
845 W. La Veta Ave.,
Suite 108
Orange, CA 92868
Accepting New Patients

Primary Office

845 W. La Veta Ave.,
Suite 108
Orange, CA 92868
Get Directions
(714) 639-2600
(714) 289-3906
Mon - Fri: 8 a.m. - 5 p.m.

More Information


  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Internal Medicine
      (Board Certified)
    Education & Training
    • College
      University of Maryland - 1980
    • Medical School
      Medical University of Maryland - 1989
    • Internship
      University of California- Irvine - 1990
    • Residency
      University of California- Irvine - 1996
    Areas of Interest


  • Biography



    Dr. Tam emphasizes the application of science to the practice of medicine and yet maintains a healthy dose of humanity.

  • Insurance Accepted

    Insurance Accepted

    Insurance ID Numbers

    Aetna: 744138

    Blue Cross: *1BG480
    Blue Shield: 00G700730
    CIGNA: 0140896050
    CIGNA Select: 0140896052
    Health Net: 3203059747
    Health Net Senior: 5147059747
    SCAN: 863-20651
    United Healthcare: *0183460146

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

  • 9-Aug-2018
    Not my normal primary. In for a last minute pre op
    Switching to Dr. Tam as my primary care provider. Seemed very good. Listened well and spent time with me.
    1. Long hold time to make appt.2. Lungs were very sick, a. Dr. Parke, my pulmon. Dr. could not get appt, till months out. b. Still, appt. with Dr. Tan, took a couple weeks, before I could get seen. c. Because of the wait, in my opinion, my lungs and shoulders & neck pain got worse.3. My shoulders, neck, pain to lift either arm was not addressed by Dr.
    I had never been with him and I was very impressed.
    Lucky to have him.
    26 Total Comments Page 1 2 3 4 5 6   Next