Registry data as of Aug 27, 2026

William Chaplin, DO

Anesthesiology Physician · Sterling, IL

William Chaplin, DO is an anesthesiology physician with a practice address in Sterling, Illinois, and NPI 1619359940, issued on Jun 23, 2015. Check the license (Illinois 036150062, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1619359940
Name
William Chaplin
Credential
DO
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
036150062 IL
Self-reported in NPPES; status is on the state search
Practice location
100 E LE Fevre RD, Sterling, IL 61081
Phone
(815) 625-0400
Enumerated
Jun 23, 2015
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 100 E LE Fevre RD

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

  1. Jamie Baxter, RD, LDNRegistered Dietitian1023063609
  2. Jesse Chiu, CRNACertified Registered Nurse Anesthetist1881183259
  3. Mackenzie Grenter, MOT, OTR/LOccupational Therapist1710531470
  4. Virginia Heal, CNPNurse Practitioner1346292034
  5. Divaker Kattar, M.D.Emergency Medicine Physician1821040650
  6. Jose Libunao, M.D.Emergency Medicine Physician1578516357

Verify William Chaplin 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 036150062
    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.

One hospital or facility affiliation

  1. Cgh Medical CenterSterling, IL · Acute Care Hospitals1 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Anesthesiology Physician providers in Illinois

There are 2,408 anesthesiology physician records in Illinois.

Other anesthesiology physician records in Illinois

  1. Sadiqa Abbas, M.D.Downers Grove, IL1528010634
  2. Ossama Abdellatif, MDBerwyn, IL1760436786
  3. Nadine Abi-Younes, MDChicago, IL1306422589
  4. Hassan Aboumerhi, M.D.Chicago, IL1336528637
  5. Jake Abramowicz, DOChicago, IL1235823782
  6. Antonio Abrego, MDChicago, IL1336236157
  7. Jose Abreu, M.D.Tinley Park, IL1538287388
  8. Max Ackerman, BSChicago, IL1083362644
  9. Sean Adams, M.D.Naperville, IL1598713661
  10. Timothy Ade, MDUrbana, IL1043552672

Common questions

What is William Chaplin, DO's NPI number?

William Chaplin, DO's National Provider Identifier (NPI) is 1619359940, issued on Jun 23, 2015. An NPI identifies a provider in billing; it is not a license.

Where is William Chaplin, DO located?

The NPPES record lists a practice address at 100 E LE Fevre RD, Sterling, IL, 61081. Phone: (815) 625-0400. Providers update this record themselves, so call before visiting.

How can I verify William Chaplin, DO's license?

NPPES lists Illinois license number 036150062, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.