17 years of experience

Accepting new patients
500 W Thomas Rd
Ste 250
Phoenix, AZ 85013
Locations and availability (4)

Education ?

Medical School Score Rankings
Stanford University (1993)
  • Currently 4 of 4 apples
Top 25%

Awards & Distinctions ?

American Board of Pediatrics

Affiliations ?

Dr. Parra-Roide is affiliated with 4 hospitals.

Hospital Affilations



  • St Joseph's Hospital
    350 W Thomas Rd, Phoenix, AZ 85013
    • Currently 4 of 4 crosses
    Top 25%
  • CHANDLER REGIONAL Medical Center
    475 S Dobson Rd, Chandler, AZ 85224
    • Currently 4 of 4 crosses
    Top 25%
  • Phoenix Children's Hospital
    1919 E Thomas Rd, Phoenix, AZ 85016
    • Currently 3 of 4 crosses
    Top 50%
  • St Josephs Hospital and Medical Center
  • Publications & Research

    Dr. Parra-Roide has contributed to 3 publications.
    Title Comparison of Outcome Measures for a Traditional Pediatric Faculty Service and Nonfaculty Hospitalist Services in a Community Teaching Hospital.
    Date October 2006
    Journal Pediatrics

    OBJECTIVE: Several studies have found decreased cost and length of stay for patients who are cared for by pediatric hospitalists compared with traditional faculty models. The objective of this study was to compare cost and length of stay between a faculty group and 2 separate hospitalist groups in a community teaching hospital. This study differs from previous ones in that both the traditional faculty and hospitalist models were in place simultaneously, and the traditional faculty group was employed by the hospital, whereas the hospitalist groups were in private practice. METHODS: A total of 1009 pediatric patients with any of the 11 most frequent diagnosis-related groups were analyzed according to the admitting physician group. Total direct costs and length of stay were computed for 3 separate groups (faculty group, hospitalist group 1, and hospitalist group 2). Linear regression models were used to compare total direct costs and length of stay among the groups. Each model accounted for age, severity index, and payer source. RESULTS: Age, severity index, and physician group were predictive in determining total direct costs and length of stay. There was no significant difference in patient age among the groups, but the faculty group had significantly increased severity indices compared with hospitalist groups 1 and 2 (1.6 +/- 0.7 vs 1.3 +/- 0.6 vs 1.4 +/- 0.6, mean +/- SD). The faculty group had statistically significantly lower total direct costs compared with hospitalist groups 1 and 2 (1781 dollars +/- 1449 dollars vs 1954 dollars +/- 1212 dollars vs 1964 dollars +/- 1495 dollars, mean +/- SD). The faculty group had shorter average length of stay compared with hospitalist groups 1 and 2 (2.6 +/- 2.0 vs 3.1 +/- 2.6 vs 2.9 +/- 2.3, mean +/- SD). The readmission rates among the groups were similar. CONCLUSIONS: Traditional faculty models can be as efficient in terms of total direct costs and length of stay as evolving hospitalist models. This study's results may be unique because the traditional faculty model was composed of general pediatricians instead of a blend of generalists and subspecialists. In addition, the traditional faculty physicians concentrated almost entirely on the care of inpatients while engaged in hospital care.

    Title Regulation of Platelet Clearance Receptors for Atrial Natriuretic Peptide in Diabetic Nephropathy.
    Date November 1992
    Journal Journal of the American Society of Nephrology : Jasn

    The findings that circulating levels of atrial natriuretic peptide (ANP) are elevated in diabetic nephropathy and that the magnitude of the urinary excretion rate of cGMP in response to hypervolemia-induced ANP release is blunted have recently been reported. The purpose of this study was to determine whether these abnormalities are associated with the down-regulation of ANP receptors. Because biologically active (A) ANP receptors in the kidney are inaccessible, we have examined the binding of (125I alpha)ANP to clearance (C) receptors on platelets obtained from patients with diabetic nephropathy. Scatchard analysis revealed a reduction in such binding sites compared with those in healthy controls: 12 +/- 2 versus 19 +/- 2 per platelet, respectively (P less than 0.001). The dissociation constant, Kd, was higher: 66.7 +/- 33.1 versus 38.5 +/- 11 pM, respectively (P less than 0.02). The reduced number of receptors could reflect the down-regulation of ANP C receptors in response to an elevation of plasma levels of ANP, the median value of which was 10.6 versus 7.1 pmol/L in controls (P less than 0.05). Alternatively, the findings could represent a primary adaptation by C receptors to elevate plasma ANP levels and increase the availability of the peptide to biologically active renal receptors. The latter adaptation would serve to mitigate the sodium retention that attends diabetic nephropathy.

    Title Spanish Speaking Patients Perceive High Quality Care in Resident Continuity Practices: A Cornet Study.
    Journal Clinical Pediatrics

    Prior research has demonstrated that limited English proficiency in Hispanic patients is associated with adverse health outcomes. The authors sought to compare the perception of primary care in resident practices between Spanish-speaking and English-speaking parents using a previously validated tool, the Parents' Perception of Primary Care. Using survey results from 19 CORNET sites nationwide, they compared mean scores for each primary care domain and the full scale between the groups using Student's t test. Multiple linear regression models compared outcomes controlling for demographic variables. Of the 2122 analyzable surveys, 490 (23%) were completed in Spanish and 1632 (77%) in English. The mean scores for each domain and the total scale were not statistically different between the 2 groups. After adjustment, Spanish-speaking parents rated communication significantly higher. Resident clinics may use systems to provide high quality care to Spanish-speaking patients, which may help other sites improve care.

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