NPPES file of Aug 9, 2026

Dong Hyun Yoo

Dentist · Rockford, IL

Dong Hyun Yoo is a dentist with a practice address in Rockford, Illinois, and NPI 1285283671, issued on Sep 9, 2019. Check the license (Illinois 019032387, as entered in NPPES) 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
1285283671
Name
Dong Hyun Yoo
Primary taxonomy
Dentist 122300000X
License numbers
019032387 IL
DE61080623 WA
Self-reported in NPPES; status is on the state search
Practice location
6215 E State St, Rockford, IL 61108
Phone
(815) 399-7777
Enumerated
Sep 9, 2019
Record last updated
Feb 12, 2021 (not updated in 5 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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Also registered at 6215 E State St

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

  1. Kenneth Antonoff, D.D.SDentist1205842721
  2. Alex Daniel, DMDDentist1578117339
  3. Roxana Dirla, DDSGeneral Practice Dentistry1750513214
  4. Kehinde Fasanya, DDSDentist1184939076
  5. Yu-Jin Lee, D.M.D.General Practice Dentistry1427114875
  6. Dhivyalakshmi Manavazhagan, DDSGeneral Practice Dentistry1386462216

Verify Dong Hyun Yoo 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 019032387
    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
Find 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.

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55% more Medicare Part D claims than the average dentist in 2024

133 Medicare Part D claims for 89 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Dong Hyun Yoo133
  2. Specialty average86

Most prescribed

  1. Amoxicillin70 claims
  2. Ibuprofen32 claims
  3. Azithromycin18 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.

Dong Hyun Yoo among 4,522 dentist records in Illinois

Dong Hyun Yoo is one of 4,522 dentist 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 2019, is newer than 77% of them.

  • NPI issued2019 · 77% of these records are older, 20% 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 updated2021 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

70 dentist records list a practice address in Rockford

They are 70 of the 3,893 NPPES records with a practice address in Rockford, and 4,522 dentist records in Illinois.

The 8 dentist records with the nearest ZIP codes

  1. Glenn Amante, DDSRockford, IL 611081952467771
  2. Kenneth Antonoff, D.D.SRockford, IL 611081205842721
  3. Kehinde Fasanya, DDSRockford, IL 611081184939076
  4. Jason Grinter, DDSRockford, IL 611081255401899
  5. Steven Ives, DDSRockford, IL 611081962796763
  6. Brian Jones, DDSRockford, IL 611081306048152
  7. Matthew Lindsten, D.D.S.Rockford, IL 611081861620775
  8. Mark Milani, DDSRockford, IL 611081083750749

Common questions

What is Dong Hyun Yoo's NPI number?

Dong Hyun Yoo's National Provider Identifier (NPI) is 1285283671, issued on Sep 9, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Dong Hyun Yoo located?

The NPPES record lists a practice address at 6215 E State St, Rockford, IL, 61108. Phone: (815) 399-7777. Providers update this record themselves, so call before visiting.

How can I verify Dong Hyun Yoo's license?

NPPES lists Illinois license number 019032387, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Dong Hyun Yoo prescribe under Medicare Part D?

In 2024, Dong Hyun Yoo had 133 Medicare Part D claims for 89 beneficiaries; the average among dentist prescribers was 86. 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.