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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.

Ivy-Joan Madu, MD

  • Endocrinology
Additional Language Spoken
Medical Groups & Affiliations
  • St. Joseph Hospital Affiliated Physicians
Ivy-Joan Madu, MD
1234 West Chapman Avenue
Suite 205
Orange, CA 92868
Accepting New Patients

Primary Office

Ivy-Joan Madu, MD
1234 West Chapman Avenue
Suite 205
Orange, CA 92868
Get Directions
(714) 639-1815
(714) 639-2374
Mon, Tue, Wed, Thu 7 a.m. - 5 p.m., Fri 7 a.m. - 12 p.m.

More Information

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Endocrinology
    Secondary Specialties
    • Internal Medicine
      (Board Certified)
    Education & Training
    • Medical School
      University of Benin Med School - 1981
    • Internship
      Methodist Hospital - 1991
    • Residency
      Albany Medical College - 1993
    • Fellowship
      University of California Los Angeles - 1995
    Areas of Interest

    Thyroid Diseases
    Diabetes Mellitus

  • Biography


    Dr. Ivy-Joan Madu is a board-certified endocrinologist who has been in private practice since 1995. Originally from Nigeria, Dr. Madu completed her medical education at the College of Medicine, University of Benin in Benin City, Nigeria in 1981. She then interned at the University of Benin Teaching Hospital from July 1981 to June 1982 and served at the Police Clinic in Ilorin, Nigeria from July 1982 to June 1983. Dr. Madu was in private practice at Palm Beach Hospital in Lagos from September 1983 to June 1986. She then completed residencies in internal medicine at the Lagos University Teaching Hospital in 1989 and The Methodist Hospital in Brooklyn, NY in 1992, followed by a third-year residency in internal medicine at the Albany Medical Center in Albany, NY in 1993. Dr. Madu then pursued and completed her Fellowship in endocrinology at the University of Southern California, Los Angeles in 1995.

    In addition to caring for patients, Dr. Madu currently serves as Adjunct Nursing Professor at California State University in Long Beach, and volunteers at the Lestonnac Free Clinic in Orange, CA. She also serves as an Expert Medical Opinion for the California Medical Board and for the Orange County Public Defender. Dr. Madu has been principal investigator and sub-investigator for numerous clinical studies relating to type 1 and type 2 diabetes, anemia and chronic kidney disease, hypoparathyroidism and more.

    Dr. Madu has received several awards for her work, including the Deans Prize for Best Clinical Student, the Professor Hill Memorial Prize for Best Student in Pathology MBBS Part III, and Distinctions in Physiology and Pathology from the College of Medicine at the University of Benin in Nigeria. Dr. Madu is certified as a diplomate in Endocrinology, Diabetes and Metabolism from the American Board of Internal Medicine.

    Dr. Madu is a member of the Orange County Medical Association, the American Diabetes Association and the American Association of Clinical Endocrinologists.
    In her free time, Dr. Madu enjoys tennis, gardening and jogging.