NPPES file of Aug 9, 2026

Charles Loren Obrien, MD

Pediatrics Physician · Deerfield, IL

Charles Loren Obrien, MD is a pediatrics physician with a practice address in Deerfield, Illinois, and NPI 1124050182, issued on Jul 7, 2006. Check the license (Illinois 036057256, as entered in NPPES) 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
1124050182
Name
Charles Loren Obrien
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
036057256 IL
Self-reported in NPPES; status is on the state search
Practice location
49 S Waukegan RD Ste 100, Deerfield, IL 60015
Phone
(847) 945-4575
Enumerated
Jul 7, 2006
Record last updated
Oct 13, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(847) 945-4593
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 49 S Waukegan RD Ste 100

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

  1. Belinda Chen, MDPediatrics Physician1932127701
  2. Andrew Johnson, MDPediatrics Physician1639465131
  3. Shon Thomas, MDInternal Medicine Physician1811634579
  4. Sara Wiemer, M.D.Pediatrics Physician1386890416

Verify Charles Loren Obrien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036057256
    Check 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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10 pediatrics physician records list a practice address in Deerfield

They are 10 of the 712 NPPES records with a practice address in Deerfield, and 3,176 pediatrics physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in Illinois

  1. Waleed Abbasi, M.D.Rockford, IL1487941969
  2. Aiah Abdel-AalChicago, IL1255115846
  3. Mahmoud Abdel-Ghani, MDSpringfield, IL1487495883
  4. Boraan Abdulkarim, MDMaywood, IL1700689379
  5. Lubna Abdullah, MDWheaton, IL1558504142
  6. Zainab Abdullah, M.D.Chicago, IL1356579650
  7. Sneha Abichandani, M.DChicago, IL1346505286
  8. Lynn Ables, MDWheaton, IL1285795989
  9. Emil Abraham, MDSpringfield, IL1396419768
  10. Rebecca AbrahamChicago, IL1154174209

Common questions

What is Charles Loren Obrien, MD's NPI number?

Charles Loren Obrien, MD's National Provider Identifier (NPI) is 1124050182, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Loren Obrien, MD located?

The NPPES record lists a practice address at 49 S Waukegan RD Ste 100, Deerfield, IL, 60015. Phone: (847) 945-4575. Providers update this record themselves, so call before visiting.

How can I verify Charles Loren Obrien, MD's license?

NPPES lists Illinois license number 036057256, as entered by the provider. 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.