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 29 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. Douglas Lakin, M.D.Scottsdale, AZ 852581992783492
  2. Arun Lakshmipathy, M.D.Sun City West, AZ 853751962469791
  3. Michelle Lally, M.D.Tucson, AZ 857041679657845
  4. Trung Lam, MDChandler, AZ 852261588853550
  5. Daniel Lamar, M.D.Luke Afb, AZ 853091952383523
  6. Jeffrey Lambert, M.D.Tucson, AZ 857121578762134
  7. Matthew Lancaster, MDPhoenix, AZ 850061255072138
  8. Ivan Landa, DOPhoenix, AZ 850131851032254
  9. George Landrum, MDPhoenix, AZ 850501164510319
  10. Christopher Lang, M.D.Phoenix, AZ 850201801007562
  11. David Lang, MDTuba City, AZ 860451932142189
  12. Henry Lang, D.O, PH.DTucson, AZ 857101023851300
  13. Zachary Lang, DOTucson, AZ 857411093465023
  14. Matthew Lansman, DOTucson, AZ 857101639918667
  15. Tara Lanzendorf, MDPhoenix, AZ 850061295354470
  16. Leonard Lapenson, M.D.Phoenix, AZ 850201619241098
  17. Julius Larosa, M.D.Chandler, AZ 852241780605071
  18. German Lasala, MDTucson, AZ 857151124086392
  19. Maria-Teresa Laurel, MDPhoenix, AZ 850121588618672
  20. Gregory Lauver, MDMesa, AZ 852021679533889
  21. Sonal Law, MDTucson, AZ 857111992047104
  22. Katherine Lawrence, MDPhoenix, AZ 850061700527405
  23. Kent LawrenceTucson, AZ 857131528903150
  24. Brent Layton, MDGlobe, AZ 855011861454530
  25. Sydney Lazarus, MD, MPHTucson, AZ 857121386837060
  26. Austin Le, MDPhoenix, AZ 850171467101360
  27. Justin LeTucson, AZ 857101104615384
  28. Karen Leber, MDTempe, AZ 852821942232582
  29. Mary Ann Lecavalier, MDScottsdale, AZ 852541861497950
  30. Aileen Lee, MDScottsdale, AZ 852591578318796
  31. Amy Lee, MDPhoenix, AZ 850201699760751
  32. Carol Lee, M.D.San Carlos, AZ 855501801925565
  33. Eun Hye Lee, MDScottsdale, AZ 852591912647231
  34. Ho Hyun LeeTucson, AZ 857131073441499
  35. Joshua Lee, M.D.Tucson, AZ 857121003909144
  36. Jun Lee, MDTucson, AZ 857121356046312
  37. Kathryn Lee, MDScottsdale, AZ 852511235124876
  38. Marc Lee, MDPhoenix, AZ 850061962498709
  39. Sean LeeTucson, AZ 857101760945323
  40. Shawn Lee, M.DSafford, AZ 855461427210210
  41. Sung Lee, M.D.Sedona, AZ 863361558355461
  42. Tony Lee, DOGlendale, AZ 853061497753123
  43. Yeo Lee, D.O.Tucson, AZ 857101538569603
  44. Tommy Leeper, MDApache Junction, AZ 852201811945249
  45. Robert Leff, M.D.Tucson, AZ 857151063460442
  46. Daniel Lefkowitz, DOCottonwood, AZ 863261538680806
  47. Shel-Don Legarreta, MDTempe, AZ 852831902886377
  48. Zachary Leibovit-Reiben, MDScottsdale, AZ 852591790624492
  49. Alan Leibowitz, M.D.Phoenix, AZ 850061508820382
  50. Dawn Lemcke, MDTucson, AZ 857041598860686

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.