NPPES file of Aug 9, 2026

Allergy Physician in Illinois

56 NPPES records list allergy physician with a practice address in Illinois, 0.4 per 100,000 residents, the 10th highest rate of 49. Chicago and Orland Park have the most; each record links to the provider's NPI and the Illinois license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207KA0200X · 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. Orland Park11
  3. Decatur2
  4. Joliet2
  5. Naperville2

Allergy Physician records in Illinois

  1. Alex Thomas, M.D.Chicago, IL 606341265632574
  2. James Thompson, M.D.Orland Park, IL 604671932182748
  3. Padma Tipirneni, M.D.Orland Park, IL 604671073942264
  4. Mohana Velagapudi, M.DMoline, IL 612651487633087
  5. Preeti Vemuri, MDBarrington, IL 600101548318488
  6. Melissa Watts, M.D., MPHChicago, IL 606111588084552

Source: CMS NPPES, primary taxonomy 207KA0200X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 10 of 49 per resident

  1. Delaware0.5
  2. Rhode Island0.5
  3. New Jersey0.5
  4. Illinois0.4
  5. Connecticut0.4
  6. Idaho0.4
  7. 50 states and D.C.0.3

Source: CMS NPPES, primary taxonomy 207KA0200X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

What the count covers

56 NPPES records list allergy physician (207KA0200X) as their primary taxonomy with a practice address in Illinois: 0.4 per 100,000 residents against 0.3 nationally (50 states and D.C.). Chicago has 12 of them (21%).

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. Florida66
  2. New Jersey42
  3. Maryland38
  4. Massachusetts37

States with a similar rate per 100,000

  1. Connecticut0.4
  2. California0.4
  3. Virginia0.4
  4. Missouri0.4

The largest states

  1. California157
  2. New York109
  3. Texas76
  4. Florida66
  5. New Jersey42

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.