Mary-Ellen Diorio, M.D.Psychiatrist

    Dr. Diorio assesses and treats children, teens and adults with a wide range of psychiatric difficulties including depression, anxiety, attention issues and autism.

    She works with patients and families to provide individualized, evidence-based treatments including medication and therapy, alone or together. She has been with ABCD for more than 20 years and provides comprehensive care as well as co-managing cases with her ABCD colleagues, outside therapists and physicians.

    Dr. Diorio received her medical degree from George Washington University and completed both her residency in General Psychiatry and her Fellowship training in Child and Adolescent Psychiatry at Harbor-UCLA Medical Center in Los Angeles. She is board-certified, holds a Clinical Faculty Appointment at the University of Washington and both supervises and teaches psychiatric residents at the UW and at Children’s Hospital.

    • 1985 Occidental College, Los Angeles, BA Biology (Honors: Graduate with Distinction, Biology)


    • 1990 George Washington University Medical School, Washington D.C., MD awarded 5/90 (Honors: Sandoz Award in Psychiatry)

    • 1994 – 1996 Child and Adolescent Psychiatry Fellowship, Harbor/UCLA Medical Center, Torrance, CA


    • 1991 – 1994 General Psychiatry Internship and Residency Harbor/UCLA Medical Center, Torrance, CA




    PLEASE NOTE: Although a provider may be listed with an insurance panel this does not mean that his or her services are covered under your particular plan. We strongly recommend that you check your insurance plan to see if services by a specific provider are covered, what co-payments are involved, and whether or not authorization for services must be obtained prior to your first appointment.

    ABCD will submit claims to your insurance company and accept direct payment. However, in the event that your claim is denied, our office does not accept responsibility for negotiating with your insurance company for the denied claim. This would be your responsibility. Insured clients are expected to keep their account current even if a denial is being negotiated and their insurance company has not reimbursed them.

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