NPPES file of Aug 9, 2026

William C. Kao, D.D.S.

General Practice Dentistry · Roselle, IL

William C. Kao, D.D.S. is a general practice dentistry with a practice address in Roselle, Illinois, and NPI 1154519882, issued on Oct 9, 2007. Check the license (Illinois 19016438, 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
1154519882
Name
William C. Kao
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
19016438 IL
Self-reported in NPPES; status is on the state search
Practice location
1150 W Lake St, Roselle, IL 60172
Phone
(630) 529-0600
Enumerated
Oct 9, 2007
Record last updated
Oct 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(630) 529-5305
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 William C. Kao 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 19016438
    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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William C. Kao among 5,276 general practice dentistry records in Illinois

William C. Kao, D.D.S. is one of 5,276 general practice dentistry records with a practice address in Illinois. 64% 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 2007, is newer than 32% of them.

  • NPI issued2007 · 32% of these records are older, 43% newer
  • In a Medicare fileNo · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 general practice dentistry records list a practice address in Roselle

They are 17 of the 175 NPPES records with a practice address in Roselle, and 5,276 general practice dentistry records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Peter Chang, D.D.S.Roselle, IL 601721053320606
  2. Harjinder Khaira, DMDRoselle, IL 601721790849222
  3. Brainard Llanes, D.D.S.Roselle, IL 601721366575375
  4. Marek Mroczka, D.D.S.Roselle, IL 601721922164995
  5. Jay Mueller, D.D.S.Roselle, IL 601721801965553
  6. Robert Mueller, DDSRoselle, IL 601721316067853
  7. George Mueller, DDSRoselle, IL 601721003029349
  8. Misbah Muzaffer, DDSRoselle, IL 601721497324685

Common questions

What is William C. Kao, D.D.S.'s NPI number?

William C. Kao, D.D.S.'s National Provider Identifier (NPI) is 1154519882, issued on Oct 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William C. Kao, D.D.S. located?

The NPPES record lists a practice address at 1150 W Lake St, Roselle, IL, 60172. Phone: (630) 529-0600. Providers update this record themselves, so call before visiting.

How can I verify William C. Kao, D.D.S.'s license?

NPPES lists Illinois license number 19016438, 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.

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.