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 55 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. David Warfield, MDGlendale, AZ 853041023018660
  2. Caitlin Warlick, DOScottsdale, AZ 852591598400863
  3. Francene Warner, M.D.Mesa, AZ 852051932373693
  4. Lauren Washatka, MDPayson, AZ 855411821651746
  5. Rita Washko, M.D.Tempe, AZ 852811780645945
  6. Scott Wasserman, M.D.Scottsdale, AZ 852551467531582
  7. Dennis Watson, DOChandler, AZ 852491376610832
  8. Jerilyn Watson, M.D.Phoenix, AZ 850861871589986
  9. Roy Watts, DOSurprise, AZ 853741770699308
  10. Paul Wax, M.D.Phoenix, AZ 850161063481349
  11. Mark Webb, M.D.Scottsdale, AZ 852541255396867
  12. Karen Weber, DOMarana, AZ 856531255382677
  13. John Webster, MDPeoria, AZ 853811881644128
  14. Thomas Weekly, MDMesa, AZ 852061548220361
  15. Jessica Weeks, M.D.Chinle, AZ 865031194969071
  16. Andrew Weil, MDTucson, AZ 857241891860433
  17. Melvyn Weinberg, MDTucson, AZ 857211205981362
  18. Lisa Weinrib, MDPhoenix, AZ 850161184149510
  19. Casey Weinstein, MDTucson, AZ 857191831835453
  20. Jeffrey Weisel, MDGreen Valley, AZ 856141902854383
  21. Glenda Weisman, MDPhoenix, AZ 850321003847054
  22. Steven Weisman, MDScottsdale, AZ 852581720038656
  23. Scott Weiss, MDTucson, AZ 857121861440232
  24. Vasanta Weiss, MDTucson, AZ 857041417165671
  25. Sherrill Weller, D.O.Flagstaff, AZ 860011992896781
  26. Justin Welsh, DOMesa, AZ 852061861933871
  27. Thomas Welsh, M.D.Mesa, AZ 852151487604740
  28. Howard Wernick, MDPhoenix, AZ 850061144262726
  29. Brandon West, MDYuma, AZ 853641629770391
  30. Robert West, MDGlendale, AZ 853061831145796
  31. Adam WesternTucson, AZ 857231861282956
  32. Janelle Weyer, MDChandler, AZ 852481770576597
  33. Ryan Weyker, DOTucson, AZ 857131740020163
  34. Morgan Whigham, MDScottsdale, AZ 852511205360278
  35. Donald White, M.D.Mesa, AZ 852031558504357
  36. Dora White, MDPAScottsdale, AZ 852601073502142
  37. Janelle White, M.D.Tucson, AZ 857431386957702
  38. John White, MDMesa, AZ 852081235861063
  39. Kama White, M.D.Phoenix, AZ 850081134151053
  40. Michael White, MDScottsdale, AZ 852601770523839
  41. Mary Whited, M.D.Scottsdale, AZ 852591588647846
  42. James Whitfill, MDScottsdale, AZ 852581326280405
  43. Barbara Wich, M.D.Prescott, AZ 863131871516534
  44. Danielle Wicklow, MDPhoenix, AZ 850061790946853
  45. Rebecca Wig, MDTucson, AZ 857191154990141
  46. Sandra Wijekularatne, MDTucson, AZ 857481407476054
  47. Joan Wilburg-BournePrescott, AZ 863131215024732
  48. Glenda Williams, M.D.Phoenix, AZ 850211639379605
  49. Jamiese Williams, M.D.Tucson, AZ 857041023421500
  50. Richard Williams, MDLuke Afb, AZ 853091487646618

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.