NPPES file of Aug 9, 2026

Oliver P. Chrisler, M.D.

Pediatric Emergency Medicine (Emergency Medicine) Physician · Naperville, IL

Oliver P. Chrisler, M.D. is a pediatric emergency medicine (emergency medicine) physician with a practice address in Naperville, Illinois, and NPI 1932268745, issued on Dec 7, 2006. Check the license (Illinois 036087542, 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
1932268745
Name
Oliver P. Chrisler
Credential
M.D.
Primary taxonomy
Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X
License number
036087542 IL
Self-reported in NPPES; status is on the state search
Practice location
801 S Washington St, Naperville, IL 60540
Phone
(630) 527-3558
Enumerated
Dec 7, 2006
Record last updated
Jan 28, 2026
Fax
(630) 527-5018
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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8 nearest pediatric emergency medicine (emergency medicine) physician records → All 30 in Illinois → Look up another NPI →

Also registered at 801 S Washington St

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

  1. Sean Adams, M.D.Anesthesiology Physician1598713661
  2. Saroosh Ahmed, MDEmergency Medicine Physician1639335078
  3. Faisal Akbari, M.DHospitalist Physician1740598705
  4. Catherine AlerNurse Practitioner1134584964
  5. Irfan Ali, DOHospitalist Physician1306427760
  6. Sivani Aluru, MDObstetrics & Gynecology Physician1275156325

Verify Oliver P. Chrisler 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 036087542    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Oliver P. Chrisler among 30 pediatric emergency medicine (emergency medicine) physician records in Illinois

Oliver P. Chrisler, M.D. is one of 30 pediatric emergency medicine (emergency medicine) physician records with a practice address in Illinois. 20% 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 50% newer
  • In a Medicare fileNo · 20% of these records are
  • In the CMS Doctors and Clinicians fileNo · 17% of these records are
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PP0204X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Emergency Medicine (Emergency Medicine) Physician providers in Illinois

There are 30 pediatric emergency medicine (emergency medicine) physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 30 in Illinois → Every provider in Naperville → Pediatric Emergency Medicine (Emergency Medicine) Physician nationwide →

The 8 pediatric emergency medicine (emergency medicine) physician records with the nearest ZIP codes

  1. Mujahida Baram, MDNaperville, IL 605401407018336
  2. Ming Chien, M.D.Naperville, IL 605401952518920
  3. Stephen Crotty, M.D.Naperville, IL 605401063481802
  4. Hyung Kim, M.D.Naperville, IL 605401265598403
  5. Jennifer McNulty, M.D.Naperville, IL 605401316099070
  6. George Paul, M.D.Naperville, IL 605401235281924
  7. Elizabeth Alpern, M.D.Chicago, IL 606111265458533
  8. Jacqueline Corboy, MDChicago, IL 606111174587059

Common questions

What is Oliver P. Chrisler, M.D.'s NPI number?

Oliver P. Chrisler, M.D.'s National Provider Identifier (NPI) is 1932268745, issued on Dec 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Oliver P. Chrisler, M.D. located?

The NPPES record lists a practice address at 801 S Washington St, Naperville, IL, 60540. Phone: (630) 527-3558. Providers update this record themselves, so call before visiting.

How can I verify Oliver P. Chrisler, M.D.'s license?

NPPES lists Illinois license number 036087542, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.