NPPES file of Aug 9, 2026

Internist Chiropractor in Illinois

51 NPPES records list internist chiropractor with a practice address in Illinois, 0.4 per 100,000 residents, the 2nd highest rate of 46. Chicago and Lombard 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 111NI0900X · 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, 8

  1. Chicago8
  2. Lombard3
  3. Elmhurst2
  4. Wheaton2
  5. Algonquin1

Internist Chiropractor records in Illinois

  1. Robert Zoboski, D.C.Summit, IL 605011356321079

Source: CMS NPPES, primary taxonomy 111NI0900X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 2 of 46 per resident

  1. Kansas0.6
  2. Illinois0.4
  3. Colorado0.3
  4. South Dakota0.3
  5. 50 states and D.C.0.1

Source: CMS NPPES, primary taxonomy 111NI0900X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

3.9% of these records appear in a Medicare file, against 7.6% 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. Illinois3.9%
  2. United States7.6%

Internist Chiropractor records in Illinois, measured

  • In a Medicare file2 of 51 · 3.9% here, 7.6% nationally
  • In the CMS Doctors and Clinicians file11 · 21.6% here, 20.8% nationally
  • Not updated in five years or more40 · 78.4% here, 82.5% nationally
  • Median graduation year1991 · the 11 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 111NI0900X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

51 NPPES records list internist chiropractor (111NI0900X) as their primary taxonomy with a practice address in Illinois: 0.4 per 100,000 residents against 0.1 nationally (50 states and D.C.). Chicago has 8 of them (16%).

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. California42
  2. Florida21
  3. Texas21
  4. Colorado20

States with a similar rate per 100,000

  1. Kansas0.6
  2. Missouri0.2
  3. Minnesota0.2
  4. New York0.1

The largest states

  1. California42
  2. Florida21
  3. Texas21
  4. Colorado20
  5. New York19

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.