NPPES file of Aug 9, 2026

William J. Williams, D.D.S.

General Practice Dentistry · Chicago, IL

William J. Williams, D.D.S. is a general practice dentistry with a practice address in Chicago, Illinois, and NPI 1386718096, issued on Nov 17, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386718096
Name
William J. Williams
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
3200 W 81St St, Chicago, IL 60652
Phone
(773) 434-9092
Enumerated
Nov 17, 2006
Record last updated
Jul 8, 2007 (not updated in 19 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 William J. Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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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4.1 times the Medicare Part D claims of the average general practice dentistry in 2024

341 Medicare Part D claims for 107 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. William Williams341
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate109 claims
  2. Amoxicillin-Clavulanate Potass80 claims
  3. Fluconazole39 claims
  4. Ibuprofen28 claims
  5. Clindamycin Hcl27 claims
  6. Amoxicillin19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

William J. Williams among 5,276 general practice dentistry records in Illinois

William J. Williams, 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. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 68% newer
  • In a Medicare fileYes · 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).

1,148 general practice dentistry records list a practice address in Chicago

They are 1,148 of the 63,379 NPPES records with a practice address in Chicago, and 5,276 general practice dentistry records in Illinois.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Rachel George, D.D.SChicago, IL 606521548339328
  2. Jeffrey Gordon, D.D.S.Chicago, IL 606521932371259
  3. Patricia James, DDSChicago, IL 606521164597613
  4. Eric Johnson, D.D.S.Chicago, IL 606521285640391
  5. Max Kim, D.D.S.Chicago, IL 606521285623470
  6. Dunya Maat, DDSChicago, IL 606521700662632
  7. Celia Mimms, DDSChicago, IL 606521871845321
  8. D'Nai Ashford, DMDChicago, IL 606531588207880

Common questions

What is William J. Williams, D.D.S.'s NPI number?

William J. Williams, D.D.S.'s National Provider Identifier (NPI) is 1386718096, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William J. Williams, D.D.S. located?

The NPPES record lists a practice address at 3200 W 81St St, Chicago, IL, 60652. Phone: (773) 434-9092. Providers update this record themselves, so call before visiting.

How can I verify William J. Williams, D.D.S.'s license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does William J. Williams, D.D.S. prescribe under Medicare Part D?

In 2024, William J. Williams, D.D.S. had 341 Medicare Part D claims for 107 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.