NPPES file of Aug 9, 2026

Donald F. Cronin, MD

Nephrology Physician · Barrington, IL

Donald F. Cronin, MD is a nephrology physician with a practice address in Barrington, Illinois, and NPI 1144288739, issued on May 3, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144288739
Name
Donald F. Cronin
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
C52059 CA
Self-reported in NPPES; status is on the state search
Practice location
27750 W Highway 22, Barrington, IL 60010
Phone
(847) 655-7264
Enumerated
May 3, 2006
Record last updated
Mar 2, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(847) 655-7262
Medicaid ID
00C520590 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 27750 W Highway 22

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary BortaSurgical Assistant1932586278
  2. Catherine Haraldsson, PA-CSurgical Physician Assistant1669472312
  3. Seng Leong, MDInternal Medicine Physician1487750790
  4. Thomas Leskovac, MDCardiovascular Disease Physician1407809338
  5. Minhaj Musa, M.D.Internal Medicine Physician1467863589
  6. Catherine Park Leonard, MDRadiation Oncology Physician1710149968

Verify Donald F. Cronin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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Nephrology Physician providers in Illinois

There are 572 nephrology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other nephrology physician records in Illinois

  1. Momen Abbasi, M.D.Chicago, IL1184472268
  2. Ahmed AbdouHarvey, IL1821526492
  3. Mohan Abraham, MDChicago, IL1144550088
  4. Pabitra Adhikari, MDChicago, IL1427629740
  5. Bhavani Adusumilli, MDSpringfield, IL1568792604
  6. Vikram Aggarwal, M.DChicago, IL1316235583
  7. Akansha Agrawal, MDChicago, IL1396280905
  8. Kireet Agrawal, MDChicago, IL1780831719
  9. Fayzan Ahmad, MDChicago, IL1376005835
  10. Mashood Ahmad, MDRockford, IL1043232846

Common questions

What is Donald F. Cronin, MD's NPI number?

Donald F. Cronin, MD's National Provider Identifier (NPI) is 1144288739, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donald F. Cronin, MD located?

The NPPES record lists a practice address at 27750 W Highway 22, Barrington, IL, 60010. Phone: (847) 655-7264. Providers update this record themselves, so call before visiting.

How can I verify Donald F. Cronin, MD's license?

Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it 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.