NPPES file of Aug 9, 2026

Allergy & Immunology (Internal Medicine) Physician in Illinois

22 NPPES records list allergy & immunology (internal medicine) physician with a practice address in Illinois, 0.2 per 100,000 residents, the 16th highest rate of 47. Chicago and Bloomingdale have the most; each record links to the provider's NPI and the Illinois license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RA0201X · method

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

Chicago has the most, 12

  1. Chicago12
  2. Bloomingdale1
  3. Bolingbrook1
  4. Hinsdale1
  5. Lombard1

Allergy & Immunology (Internal Medicine) Physician records in Illinois

  1. Naveed Akhtar, M.D.Bolingbrook, IL 604401912997933
  2. Miguel Alcordo, M.D.Tinley Park, IL 604871477553899
  3. Sindhura Bandi, MDChicago, IL 606121891951208
  4. Christopher Greb, MDChicago, IL 606121134623895
  5. Mahera Husain, MDChicago, IL 606121659075596
  6. Julie Klemens, M.D.Lombard, IL 601481588708770
  7. Jason Knuffman, MDQuincy, IL 623011184690109
  8. Elizabeth Kudlaty, MDChicago, IL 606121326543232
  9. Sylvia Li, MDChicago, IL 606111508492463
  10. Amee Majmundar, M.D.Orland Park, IL 604671093794620
  11. Anna MoshkovichChicago, IL 606111568045953
  12. Payal Patel, MDChicago, IL 606051548572670
  13. Naheed Qayyum, M.D.Willowbrook, IL 605271063417343
  14. Erika RaleyBloomingdale, IL 601081265964829
  15. Kimberly Ricaurte, D.O.Winnetka, IL 600931538261151
  16. G Richmond, M.D.Hinsdale, IL 605211508885385
  17. Chase Rupprecht, DOChicago, IL 606111043738388
  18. Carol Saltoun, MDChicago, IL 606111104841691
  19. Sonia Shah, M.D.Chicago, IL 606411144407594
  20. Dareen Siri, M.D.Normal, IL 617611730272998
  21. Ellen Stephen, MDChicago, IL 606121225521776
  22. Chester Zeiss, M.D.Chicago, IL 606111154432532

Source: CMS NPPES, primary taxonomy 207RA0201X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 16 of 47 per resident

  1. Arkansas0.2
  2. Iowa0.2
  3. Virginia0.2
  4. Illinois0.2
  5. New Jersey0.2
  6. Wyoming0.2
  7. 50 states and D.C.0.2

Source: CMS NPPES, primary taxonomy 207RA0201X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

90.9% of these records appear in a Medicare file, against 78.6% 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. Illinois90.9%
  2. United States78.6%

Allergy & Immunology (Internal Medicine) Physician records in Illinois, measured

  • In a Medicare file20 of 22 · 90.9% here, 78.6% nationally
  • In the CMS Doctors and Clinicians file17 · 77.3% here, 64.0% nationally
  • Not updated in five years or more7 · 31.8% here, 51.0% nationally
  • Median graduation year2000 · the 17 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RA0201X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

22 NPPES records list allergy & immunology (internal medicine) physician (207RA0201X) as their primary taxonomy with a practice address in Illinois: 0.2 per 100,000 residents against 0.2 nationally (50 states and D.C.). Chicago has 12 of them (55%).

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. Wisconsin22
  2. Pennsylvania21
  3. Florida25
  4. Massachusetts25

States with a similar rate per 100,000

  1. New Jersey0.2
  2. Virginia0.2
  3. Texas0.2
  4. Michigan0.2

The largest states

  1. California81
  2. New York61
  3. Texas50
  4. Maryland30
  5. Missouri28

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.