NPPES file of Aug 9, 2026

Warren W. Davis

Registered Nurse · Chicago, IL

Warren W. Davis is a registered nurse with a practice address in Chicago, Illinois, and NPI 1679416101, issued on Apr 10, 2026. Check the license (Illinois 041400738, as entered in NPPES) with the Illinois board that licenses this profession; 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
1679416101
Name
Warren W. Davis
Primary taxonomy
Registered Nurse 163W00000X
License number
041400738 IL
Self-reported in NPPES; status is on the state search
Practice location
500 S Clinton St Apt 730, Chicago, IL 60607
Phone
(815) 557-1168
Enumerated
Apr 10, 2026
Record last updated
Apr 10, 2026
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 Warren W. Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 041400738    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
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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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Registered Nurse providers in Illinois

There are 2,628 registered nurse records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,628 in Illinois → Every provider in Chicago →

Other registered nurse records in Illinois

  1. Hannah Aba, RNLombard, IL1285248765
  2. Cindy AbundizAddison, IL1831907823
  3. Jean Ackerson, APRN-BCWauconda, IL1932458189
  4. Carrie AdamanyRockford, IL1912407966
  5. Kelsie AdamsSpringfield, IL1568255081
  6. Lynnetta AdamsBlue Island, IL1396628095
  7. Rachelle Adams, RNMount Carmel, IL1174272660
  8. Micaela Adams-Carr, MSN, RNKankakee, IL1992476840
  9. Suset AdanWestmont, IL1144198672
  10. Craig AddisonChicago, IL1568856219

Common questions

What is Warren W. Davis's NPI number?

Warren W. Davis's National Provider Identifier (NPI) is 1679416101, issued on Apr 10, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Warren W. Davis located?

The NPPES record lists a practice address at 500 S Clinton St Apt 730, Chicago, IL, 60607. Phone: (815) 557-1168. Providers update this record themselves, so call before visiting.

How can I verify Warren W. Davis's license?

NPPES lists Illinois license number 041400738, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

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.