NPPES file of Aug 9, 2026

Internal Medicine Physician in Arizona

2,853 NPPES records list internal medicine physician with a practice address in Arizona, 38 per 100,000 residents, the 27th highest rate of 51. Phoenix and Tucson have the most; each record links to the provider's NPI and the Arizona license search. Page 50 of 58.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · method

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

Phoenix has the most, 695

  1. Phoenix695
  2. Tucson651
  3. Scottsdale344
  4. Mesa157
  5. Chandler93

Internal Medicine Physician records in Arizona

  1. Lisa Speiser, D.O.Scottsdale, AZ 852591912349424
  2. James Spencer, M.D.Kingman, AZ 864011578553145
  3. William Sperduto, MDPhoenix, AZ 850541265162689
  4. Bailey Sperry, MDPhoenix, AZ 850481467141275
  5. David Spinks, M.D.Fort Defiance, AZ 865041669494944
  6. Sean Spurr, D.O.Douglas, AZ 856071104213461
  7. Jasmine Sra, M.D.Glendale, AZ 853081689006785
  8. Samyuktha Sreenivasan, M.D.Goodyear, AZ 853951548526171
  9. Sivaramakris Sridhar, M.D.Phoenix, AZ 850061750380135
  10. Srivani Srikantiah, M.D.Scottsdale, AZ 852601255467270
  11. Anil Srivastava, MDTucson, AZ 857041710947502
  12. Manjul Srivastava, MDTucson, AZ 857041528000973
  13. Rishab Srivastava, DO, MPHTucson, AZ 857131154026078
  14. Vinee Srivastava, MDPhoenix, AZ 850131720130628
  15. Saif Srouji, MBBSPhoenix, AZ 850161588368153
  16. Christopher Stalberg, M.D.Paradise Valley, AZ 852531346347770
  17. Marc Staman, M.D.Scottsdale, AZ 852601932262193
  18. Alec Stampfel, DOPhoenix, AZ 850201487283529
  19. Gregg Standage, M.D.Safford, AZ 855461063443273
  20. Paul Stander, M.DPhoenix, AZ 850061518935592
  21. Alec Stanke, DOPhoenix, AZ 850201760062715
  22. Craig Stark, M.D.Tucson, AZ 857161396114211
  23. Ella StarobinskaTucson, AZ 857191861925612
  24. Cooper Stateler, MDTucson, AZ 857241891583597
  25. Charles Stauffer, M.D.Mesa, AZ 852091063726792
  26. Anthony Stazzone, MDTucson, AZ 857231740386804
  27. Chandler SteeleTucson, AZ 857111568183994
  28. John Steeper, M.D.Phoenix, AZ 850121811223761
  29. Nicholas Stein, DOPhoenix, AZ 850201396310512
  30. Gale Steinhauser, MDPhoenix, AZ 850091457578437
  31. David Steinway, DOPhoenix, AZ 850141578696068
  32. Stephan Stellmacher, DO-FACPPhoenix, AZ 850161588726970
  33. Jan Stepanek, M.D.Scottsdale, AZ 852591144202888
  34. Cathlyn Stephen, M.D.Phoenix, AZ 850321457315251
  35. Dale Stern, MDPhoenix, AZ 850081598143331
  36. Eugene Stevens, MDTempe, AZ 852811952351561
  37. Maria Stevens, MDPhoenix, AZ 850141093716003
  38. Michael Stevens, M.D.Phoenix, AZ 850161437150034
  39. Michael Stevens, M.D.Tucson, AZ 857501750638128
  40. Daniel Stewart, MDGlendale, AZ 853081881157014
  41. James Stewart, DOPeoria, AZ 853831285895920
  42. Rodney Stewart, MDPhoenix, AZ 850481699742528
  43. William Stewart, MDGreen Valley, AZ 856141730101395
  44. Bridget Stiegler, D.O.Flagstaff, AZ 860011740494665
  45. Samuel Stierman, MDGlendale, AZ 853061164423273
  46. Jared Stillman, MDTucson, AZ 857101437908464
  47. Sara Stimson, MDPhoenix, AZ 850201023063450
  48. Christina Stimson MdApache Junction, AZ 851201467384065
  49. Avisheh Stimsonriahi, M.D.Phoenix, AZ 850201457556102
  50. Faissal StiphoTucson, AZ 857131669214409

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Arizona ranks 27 of 51 per resident

  1. Nebraska41
  2. Washington39
  3. Nevada38
  4. Arizona38
  5. Louisiana38
  6. North Carolina37
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

75.2% of these records appear in a Medicare file, against 78.7% 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. Arizona75.2%
  2. United States78.7%

Internal Medicine Physician records in Arizona, measured

  • In a Medicare file2,145 of 2,853 · 75.2% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file1,645 · 57.7% here, 61.4% nationally
  • Not updated in five years or more1,449 · 50.8% here, 55.4% nationally
  • Median graduation year2003 · the 1,643 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,853 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Arizona: 38 per 100,000 residents against 44 nationally (50 states and D.C.). Phoenix has 695 of them (24%).

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. Minnesota2,632
  2. Washington3,079
  3. Connecticut2,623
  4. Missouri2,604

States with a similar rate per 100,000

  1. Nevada38.5
  2. Louisiana38.2
  3. North Carolina37.4
  4. Tennessee36.4

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Texas9,175
  5. Pennsylvania7,300

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.