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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.

Silvia Alonzo, PA

4.8 out of 5 (146 Ratings)
Specialty
  • Family Medicine
Additional Language Spoken
English
Medical Groups & Affiliations
  • California Academy of Physician Assistants
Address
St. Jude Heritage Medical Group
1514 Valley Vista Drive
Diamond Bar, CA 91765

Primary Office

Address
St. Jude Heritage Medical Group
1514 Valley Vista Drive
Diamond Bar, CA 91765
Get Directions
Phone
(909) 860-1144
Fax
(909) 860-8307
Hours
Mon - Thurs 7:30 a.m. - 6 p.m. Fri 7:30 a.m. - 5:30 p.m.
Weekend Hours
Sat 9 a.m. - 1 p.m.

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Family Medicine
    Education & Training
    • College
      Bachelor's Degree - 2006
    • College
      Master of Science: Physician Assistant Studies - 2011
  • Biography

    Biography

    Biography
    Certifications
    State of California Physician Assistant Board Certification 2011 National Commission on Certification of Physician Assistants 2011
  • 3-Jun-2019
    Sylvia was patient, thorough and knowledgeable as always!
    24-May-2019
    she is amazing She is very thorough and the customer service is fabulous I'm getting back when needed she's great
    21-May-2019
    everything went as expected, no complaints
    14-May-2019
    *Sylvia Alonzo was patient, warm, and friendly putting me at ease, during my visit. I thought she was exceptional!
    14-May-2019
    I like visiting with Dr. Alonzo because she is extremely thorough and never rushes.
    46 Total Comments Page 1 2 3 4 5 6 7 8 9 10   Next