NPPES file of Aug 9, 2026

Emergency Medicine Physician in Arizona

1,494 NPPES records list emergency medicine physician with a practice address in Arizona, 20 per 100,000 residents, the 26th highest rate of 51. Tucson and Phoenix have the most; each record links to the provider's NPI and the Arizona license search. Page 26 of 30.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207P00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Tucson has the most, 422

  1. Tucson422
  2. Phoenix394
  3. Scottsdale93
  4. Mesa55
  5. Flagstaff49

Emergency Medicine Physician records in Arizona

  1. Mark Solem, M.D.Payson, AZ 855411023196680
  2. Sylvia SontheimerFort Defiance, AZ 865041205412830
  3. Christine Soohoo, M.D.Phoenix, AZ 850161679912265
  4. Ryan Southworth, DOCasa Grande, AZ 851221386806669
  5. Daniel Spaite, MDTucson, AZ 857241932271293
  6. Stephanie SperrazzaGoodyear, AZ 853951871243428
  7. Stuart Sperry, D.O.Phoenix, AZ 850131396965190
  8. Christopher Sponaugle, MDChandler, AZ 852241467728592
  9. Chad Stadheim, D.O.Tucson, AZ 857451356599013
  10. Victor Staheli, M.D.Show Low, AZ 859011275844979
  11. Dayna Staiert, MDPhoenix, AZ 850061285097196
  12. Larry Stalsonburg, MDPhoenix, AZ 850271871510826
  13. Tessa Stamile, M.D.Tuba City, AZ 860451851774111
  14. Robert Stangl, MDQueen Creek, AZ 851401437197605
  15. Joseph Stapczynski, MDPhoenix, AZ 850081316984206
  16. Darren StapletonTucson, AZ 857191497384887
  17. Emily StapletonQueen Creek, AZ 851401609518679
  18. Kristine Stark-Leyva, MDTucson, AZ 857181578654984
  19. Nick Stavridis, DOMesa, AZ 852061114908696
  20. Nicholas Stea, M.D.Tucson, AZ 857241306157805
  21. Peter Stefanski, M.D.Phoenix, AZ 850321346576758
  22. Kim Steffes, MDPhoenix, AZ 850271831202969
  23. Corey Steinbrecher, MDPhoenix, AZ 850161508354630
  24. Louis Steininger, D.O., F.A.C.O.E.P. DTucson, AZ 857041124032354
  25. Serena Stephens, MDTucson, AZ 857191164259008
  26. Evan Stern, MDYuma, AZ 853651912526583
  27. Ronald Sterrenberg, DOGlendale, AZ 853081104802800
  28. Dallin Stevens, MDSafford, AZ 855461902501018
  29. Christopher Stewart, M.D.Phoenix, AZ 850541710960992
  30. Derek Stewart, M.D.Phoenix, AZ 850201821309519
  31. Bess Stillman, M.D.Scottsdale, AZ 852591548553993
  32. Bryan Stilson, MDTucson, AZ 857141497375000
  33. Jha'Nae Stoffer, M.D.Tucson, AZ 857131871805408
  34. T'Prien Stoffer, M.D.Tucson, AZ 857241346449626
  35. David Stone, MDTucson, AZ 857131316113210
  36. Lisa Stoneking, M.D.Tucson, AZ 857131962527499
  37. Walter Storm, M.D.Florence, AZ 851321235204827
  38. Julie Story, MDPhoenix, AZ 850271679777163
  39. Jeffrey Stowell, M.D.Phoenix, AZ 850081295083889
  40. Darien Stratton, MDTucson, AZ 857191649891011
  41. William Straw, MDWillcox, AZ 856431265485718
  42. David Streitwieser, MDPhoenix, AZ 850061538178033
  43. Connie StrouseCottonwood, AZ 863261083094239
  44. Bailey Stuart, MDTucson, AZ 857191306633367
  45. E. Stump, MDPhoenix, AZ 850131467460766
  46. J Suarez, MDPhoenix, AZ 850131740298058
  47. Makenzy Sufficool, MDChinle, AZ 865031346823267
  48. Adelina Sullivan, MDTucson, AZ 857131053165753
  49. Marion Sullivan, MDPhoenix, AZ 850151962493692
  50. Parker Sullivan, DOTucson, AZ 857191346171154

Source: CMS NPPES, primary taxonomy 207P00000X: records by practice city and the list of records, file of Aug 9, 2026.

Arizona ranks 26 of 51 per resident

  1. Missouri23
  2. Louisiana22
  3. Montana21
  4. Arizona20
  5. Kentucky20
  6. California20
  7. 50 states and D.C.21

Source: CMS NPPES, primary taxonomy 207P00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

79.1% of these records appear in a Medicare file, against 81.5% 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. Arizona79.1%
  2. United States81.5%

Emergency Medicine Physician records in Arizona, measured

  • In a Medicare file1,182 of 1,494 · 79.1% here, 81.5% nationally
  • In the CMS Doctors and Clinicians file828 · 55.4% here, 58.7% nationally
  • Not updated in five years or more817 · 54.7% here, 54.8% nationally
  • Median graduation year2014 · the 828 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207P00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,494 NPPES records list emergency medicine physician (207P00000X) as their primary taxonomy with a practice address in Arizona: 20 per 100,000 residents against 21 nationally (50 states and D.C.). Tucson has 422 of them (28%).

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. Wisconsin1,464
  2. Washington1,459
  3. Colorado1,434
  4. Missouri1,405

States with a similar rate per 100,000

  1. Kentucky20.0
  2. California19.9
  3. Virginia19.8
  4. North Carolina19.3

The largest states

  1. California7,751
  2. New York5,025
  3. Texas4,885
  4. Florida4,034
  5. Pennsylvania3,911

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.