NPPES file of Aug 9, 2026

Leo Kelly, M.D.

Internal Medicine Physician · Barrington, IL

Leo Kelly, M.D. is an internal medicine physician with a practice address in Barrington, Illinois, and NPI 1386704666, issued on Dec 9, 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
1386704666
Name
Leo Kelly
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
450 W IL Route 22, Barrington, IL 60010
Phone
(847) 842-4000
Enumerated
Dec 9, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(847) 842-4193
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 450 W IL Route 22

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

  1. Ellen Clark, M.S.,CCC-SLPSpeech-Language Pathologist1316157399
  2. Cynthia Corona, DPTPhysical Therapist1063612695
  3. Galina Goode, M.D.Internal Medicine Physician1336209618
  4. Kelly HoskingPhysical Therapist1790978468
  5. Catherine Montalbano, MDDiagnostic Radiology Physician1285652636
  6. Lisa Patel, DPTPhysical Therapist1609057322

Verify Leo Kelly 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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17 internal medicine physician records list a practice address in Barrington

They are 17 of the 756 NPPES records with a practice address in Barrington, and 7,238 internal medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is Leo Kelly, M.D.'s NPI number?

Leo Kelly, M.D.'s National Provider Identifier (NPI) is 1386704666, issued on Dec 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leo Kelly, M.D. located?

The NPPES record lists a practice address at 450 W IL Route 22, Barrington, IL, 60010. Phone: (847) 842-4000. Providers update this record themselves, so call before visiting.

How can I verify Leo Kelly, M.D.'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.