Browse Health
Pediatrician, Neurologist (brain, nervous system)
22 years of experience
Accepting new patients
Video profile


Education ?

Medical School Score Rankings
University of Pittsburgh (1990)
Top 25%

Awards & Distinctions ?

Castle Connolly's Top Doctors™ (2013)
National Headache Foundation
American Board of Psychiatry and Neurology
American Headache Society

Affiliations ?

Dr. Yonker is affiliated with 2 hospitals.

Hospital Affiliations



  • St Joseph's Hospital
    350 W Thomas Rd, Phoenix, AZ 85013
    Top 25%
  • Phoenix Children's Hospital
    1919 E Thomas Rd, Phoenix, AZ 85016
    Top 50%
  • Publications & Research

    Dr. Yonker has contributed to 2 publications.
    Title Psychological Well-being in Persons Receiving Hiv-related Mental Health Services: the Role of Personal Meaning in a Stress and Coping Model.
    Date April 2010
    Journal General Hospital Psychiatry

    This investigation examined the association of personal meaning to psychological well-being in adults living with HIV/AIDS receiving mental health services. Personal meaning refers to a framework for delineating the purposes and goals that make life worth living and for evaluating the degree to which these purposes and goals are being fulfilled. Personal meaning was hypothesized to be positively associated with psychological well-being and to contribute independently to the variance in psychological well-being over and above social support, dispositional optimism and coping behavior.

    Title Pharmacologic Treatment of Migraine.
    Date November 2006
    Journal Current Pain and Headache Reports

    Nonsteroidal anti-inflammatory drugs are the mainstay of migraine treatment for children and adolescents by most primary care physicians. Not all patients respond to these readily available agents. Triptans have been studied in children and adolescents, and there is reasonable evidence to support the use of these agents in these populations. Other agents, such as combination preparations and ergot compounds, are also used in clinical practice, although there has been little scientific study. Prophylactic agents have been less well studied in those under 18 years of age. Agents such as antidepressants, anticonvulsants, and antihypertensives are commonly used in clinical practice. Safety issues are fairly well understood because of historical use and use for other conditions. Efficacy and optimal dosing have yet to be established for the treatment of migraine in children and adolescents in double-blind, randomized, placebo-controlled trials.

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