NPPES file of Aug 9, 2026

Pediatric Infectious Diseases Physician in Arizona

16 NPPES records list pediatric infectious diseases physician with a practice address in Arizona, 0.2 per 100,000 residents, the 44th highest rate of 49. Phoenix and Tucson have the most; each record links to the provider's NPI and the Arizona license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2080P0208X · method

Phoenix has the most, 11

Pediatric Infectious Diseases Physician records in Arizona

  1. Monica Abd El Nour, MDPhoenix, AZ 850161760044101
  2. Wassim Ballan, MDPhoenix, AZ 850161598981698
  3. Matilda Baraka, M.D., M.P.H.Phoenix, AZ 850161952765679
  4. Ilin Chuang, M.D.Phoenix, AZ 850071295781771
  5. Karen Lewis, MDPhoenix, AZ 850071871948109
  6. James McAuley, M.D., M.P.H.Whiteriver, AZ 859411669407037
  7. Joseph Nania, MDPhoenix, AZ 850161114014222
  8. Scott Ostdiek, M.D.Phoenix, AZ 850161548236631
  9. Julia Piwoz, M.D.Phoenix, AZ 850161285601682
  10. Nathan Price, MDTucson, AZ 857241275709586
  11. Chokechai Rongkavilit, M.D.Phoenix, AZ 850161245277730
  12. Mark Rudinsky, M.D.Phoenix, AZ 850061881668291
  13. Thomas Saari, M.D.Tucson, AZ 857551720223670
  14. Kareem Shehab, M.D.Tucson, AZ 857241144414442
  15. Ziad Shehab, M.D.Tucson, AZ 857111265494603
  16. Matthew Smith, M.D.Phoenix, AZ 850161407821929

Source: CMS NPPES, primary taxonomy 2080P0208X: records by practice city and the list of records, file of Aug 9, 2026.

Arizona ranks 44 of 49 per resident

  1. North Dakota0.3
  2. Idaho0.3
  3. Nevada0.2
  4. Arizona0.2
  5. Oklahoma0.2
  6. Mississippi0.2
  7. 50 states and D.C.0.5

Source: CMS NPPES, primary taxonomy 2080P0208X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

62.5% of these records appear in a Medicare file, against 45.7% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Arizona62.5%
  2. United States45.7%

Pediatric Infectious Diseases Physician records in Arizona, measured

  • In a Medicare file10 of 16 · 62.5% here, 45.7% nationally
  • In the CMS Doctors and Clinicians file7 · 43.8% here, 28.5% nationally
  • Not updated in five years or more7 · 43.8% here, 57.1% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0208X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

16 NPPES records list pediatric infectious diseases physician (2080P0208X) as their primary taxonomy with a practice address in Arizona: 0.2 per 100,000 residents against 0.5 nationally (50 states and D.C.). Phoenix has 11 of them (69%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Utah16
  2. South Carolina15
  3. Kentucky14
  4. Oregon14

States with a similar rate per 100,000

  1. Florida0.3
  2. Texas0.3
  3. Michigan0.3
  4. Indiana0.3

The largest states

  1. California161
  2. New York120
  3. Texas106
  4. Massachusetts86
  5. Pennsylvania83

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.