NPPES file of Aug 9, 2026

Ian William Hoffman, D.D.S.

General Practice Dentistry · Chicago, IL

Ian William Hoffman, D.D.S. is a general practice dentistry with a practice address in Chicago, Illinois, and NPI 1851584403, issued on Aug 27, 2007. 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
1851584403
Name
Ian William Hoffman
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
4101 W 26TH St, Chicago, IL 60623
Phone
(773) 820-2587
Enumerated
Aug 27, 2007
Record last updated
Aug 27, 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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8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →

Also registered at 4101 W 26TH St

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

  1. Eric Andersen, D.D.S.Dentist1710265996

Verify Ian William Hoffman 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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27% fewer Medicare Part D claims than the average general practice dentistry in 2024

61 Medicare Part D claims for 28 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Ian Hoffman61
  2. Specialty average83

Most prescribed

  1. Amoxicillin33 claims
  2. Ibuprofen21 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.

Ian William Hoffman among 5,276 general practice dentistry records in Illinois

Ian William Hoffman, 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 2007, is newer than 32% of them.

  • NPI issued2007 · 32% of these records are older, 43% 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.

All 5,276 in Illinois → Every provider in Chicago → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Mohammed Alghazali, DDSChicago, IL 606231508416272
  2. Rita Bagdasarian-Olono, DDSChicago, IL 606231902978422
  3. Carla Delafuente, DDSChicago, IL 606231497952816
  4. Gandy Garcia, D.D.S.Chicago, IL 606231003044082
  5. Emily Greenberg, D.M.DChicago, IL 606231205990728
  6. Eloy Gutierrez, D.D.S.Chicago, IL 606231306916721
  7. Alma Gutierrez, D.D.S.Chicago, IL 606231578633996
  8. Catherine Ha, DMDChicago, IL 606231467948034

Common questions

What is Ian William Hoffman, D.D.S.'s NPI number?

Ian William Hoffman, D.D.S.'s National Provider Identifier (NPI) is 1851584403, issued on Aug 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ian William Hoffman, D.D.S. located?

The NPPES record lists a practice address at 4101 W 26TH St, Chicago, IL, 60623. Phone: (773) 820-2587. Providers update this record themselves, so call before visiting.

How can I verify Ian William Hoffman, D.D.S.'s license?

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

How much does Ian William Hoffman, D.D.S. prescribe under Medicare Part D?

In 2024, Ian William Hoffman, D.D.S. had 61 Medicare Part D claims for 28 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.

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.