NPPES file of Aug 9, 2026

Liloan Cheng, M.D.

Obstetrics & Gynecology Physician · Oak Brook, IL

Liloan Cheng, M.D. is an obstetrics & gynecology physician with a practice address in Oak Brook, Illinois, and NPI 1922428218, issued on Apr 24, 2014. Check the license (Illinois 036067627, 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
1922428218
Name
Liloan Cheng
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
036067627 IL
Self-reported in NPPES; status is on the state search
Practice location
16 Baybrook LN, Oak Brook, IL 60523
Phone
(630) 655-3931
Enumerated
Apr 24, 2014
Record last updated
Apr 24, 2014 (not updated in 12 years: call before relying on the address or phone)
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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Verify Liloan Cheng 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 036067627
    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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Liloan Cheng among 2,062 obstetrics & gynecology physician records in Illinois

Liloan Cheng, M.D. is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2014, is newer than 69% of them.

  • NPI issued2014 · 69% of these records are older, 28% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2014 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Illinois

There are 2,062 obstetrics & gynecology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Kee Kim, M.D.Oak Brook, IL 605231740472596
  2. Karoly Kismartoni, MDOak Brook, IL 605231649618042
  3. Daniel Rostein, M.D.Oak Brook, IL 605231528036456
  4. Mario Yu, MDOak Brook, IL 605231629029061
  5. Jaafar Afshar, MDLa Grange Highlands, IL 605251043287691
  6. Azita Ardakani, M.D.La Grange Highlands, IL 605251649384256
  7. Michael Bercek, MDHinsdale, IL 605211083728851
  8. Elaine Cheng, MDHinsdale, IL 605211891885778

Common questions

What is Liloan Cheng, M.D.'s NPI number?

Liloan Cheng, M.D.'s National Provider Identifier (NPI) is 1922428218, issued on Apr 24, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Liloan Cheng, M.D. located?

The NPPES record lists a practice address at 16 Baybrook LN, Oak Brook, IL, 60523. Phone: (630) 655-3931. Providers update this record themselves, so call before visiting.

How can I verify Liloan Cheng, M.D.'s license?

NPPES lists Illinois license number 036067627, 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.