NPPES file of Aug 9, 2026

Allergy & Immunology Physician in Missouri

36 NPPES records list allergy & immunology physician with a practice address in Missouri, 0.6 per 100,000 residents, the 45th highest rate of 51. Saint Louis and Chesterfield have the most; each record links to the provider's NPI and the Missouri license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207K00000X · method

Allergy & Immunology Physician records in Missouri

  1. Khaled Abdel-Hamid, MDSaint Louis, MO 631101679591572
  2. Hassan Ahmad, M.DChesterfield, MO 630171194138024
  3. Kevin BoatrightFarmington, MO 636401629185103
  4. Michael Borts, M.D.Saint Louis, MO 631271912991753
  5. Sonia Cajigal, M.D.Saint Peters, MO 633761720308448
  6. Barry Cooper, MDSaint Louis, MO 631281609876366
  7. Rand Dankner, M.D.Chesterfield, MO 630171649263146
  8. Ravneet Donegan, M.D.Saint Louis, MO 631041497041735
  9. Ashley Emmert, MDSaint Louis, MO 631091699948745
  10. Elyra Figueroa, MDSaint Louis, MO 631281760686034
  11. Laurie Fowler, MDColumbia, MO 652031225021686
  12. Bryan Gray, BSN, RNJefferson City, MO 651091518698067
  13. Ritu Gupta, M.D.St Louis, MO 631101083810808
  14. Brett Hronek, M.D.Springfield, MO 658071275791568
  15. Zachary Jacobs, MDKansas City, MO 641111215033840
  16. Jeremy Katcher, MDSaint Louis, MO 631101124235239
  17. Haroon Khalid, M.D.Gladstone, MO 641191326200767
  18. Minh-Thu Le, MDSpringfield, MO 658071174559116
  19. Gregory Lux, MDSpringfield, MO 658071558409748
  20. John Marcum, MDSt Clair, MO 630771720113053
  21. Rabya Mian, MDO Fallon, MO 633681861608309
  22. William Micka, M.D.Springfield, MO 658071376689729
  23. Maya Nanda, M.D.Kansas City, MO 641081912214495
  24. Aarti Pandya, MDKansas City, MO 641081235558222
  25. Stephanie Park, M.D.Chesterfield, MO 630171497838387
  26. Jacqueline Reiss, M.D.Chesterfield, MO 630171497748909
  27. Zhen Ren, MDSaint Louis, MO 631101982026696
  28. Robert Sacha, D. O.Cape Girardeau, MO 637031972594042
  29. Shayan Sazdar, MDKansas City, MO 641081700526936
  30. Amit Shah, M.D.Festus, MO 630281134246770
  31. Jacquelyn Sturm, M.D.Chesterfield, MO 630171134311087
  32. Hamsa Subramanian, M.D.Saint Louis, MO 631411154370203
  33. Jeffrey Tillinghast, M.D.Saint Louis, MO 631411447393301
  34. Manoj Warrier, M.D.Saint Louis, MO 631271699724161
  35. Christian Willingham, DOKansas City, MO 641111083721500
  36. Barry Zeffren, MDSaint Louis, MO 631301205908639

Source: CMS NPPES, primary taxonomy 207K00000X: records by practice city and the list of records, file of Aug 9, 2026.

Missouri ranks 45 of 51 per resident

  1. Maine0.7
  2. West Virginia0.7
  3. Vermont0.6
  4. Missouri0.6
  5. Alabama0.5
  6. Nevada0.5
  7. 50 states and D.C.1.2

Source: CMS NPPES, primary taxonomy 207K00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

77.8% of these records appear in a Medicare file, against 80.0% 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. Missouri77.8%
  2. United States80.0%

Allergy & Immunology Physician records in Missouri, measured

  • In a Medicare file28 of 36 · 77.8% here, 80.0% nationally
  • In the CMS Doctors and Clinicians file23 · 63.9% here, 65.7% nationally
  • Not updated in five years or more20 · 55.6% here, 57.3% nationally
  • Median graduation year2002 · the 23 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207K00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

36 NPPES records list allergy & immunology physician (207K00000X) as their primary taxonomy with a practice address in Missouri: 0.6 per 100,000 residents against 1.2 nationally (50 states and D.C.). Saint Louis has 12 of them (33%).

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. Kansas37
  2. Iowa33
  3. Oregon43
  4. Utah29

States with a similar rate per 100,000

  1. Puerto Rico0.5
  2. Alabama0.5
  3. Nevada0.5
  4. West Virginia0.7

The largest states

  1. California444
  2. Texas327
  3. New York311
  4. Florida204
  5. Pennsylvania183

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.