Thomas Tonghon Chung, D.D.S.
General Practice Dentistry · Rockford, IL
Thomas Tonghon Chung, D.D.S. is a general practice dentistry with a practice address in Rockford, Illinois, and NPI 1831341593, issued on Oct 14, 2008. Check the license (Illinois 019025491, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Tonghon Chung
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 019025491 IL
Self-reported in NPPES; status is on the state search - Practice location
- 351 Executive Pkwy, Rockford, IL 61107
- Phone
- (815) 226-5432
- Enumerated
- Oct 14, 2008
- Record last updated
- Oct 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (815) 226-4885
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Also registered at 351 Executive Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas Tonghon Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019025491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average general practice dentistry in 2024
60 Medicare Part D claims for 44 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.
Most prescribed
- Amoxicillin36 claims
- Clindamycin Hcl15 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.
Thomas Tonghon Chung among 5,276 general practice dentistry records in Illinois
Thomas Tonghon Chung, 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 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 36% 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 updated2008 · 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).
94 general practice dentistry records list a practice address in Rockford
They are 94 of the 3,893 NPPES records with a practice address in Rockford, and 5,276 general practice dentistry records in Illinois.
All 5,276 in Illinois → Every provider in Rockford → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Charles Alfano, DMDRockford, IL 611071740352756
- Ronald Bargren, DDSRockford, IL 611071861505471
- Duane Hansen, DDSRockford, IL 611071770659070
- Anthony Johnston, D.D.S.Rockford, IL 611071184632325
- Hipolito Lopez, D.D.S.Rockford, IL 611071790795532
- John Marshall, D.D.S.Rockford, IL 611071912032814
- Matt Mlsna, D.D.S.Rockford, IL 611071386653111
- John Moody, DDSRockford, IL 611071457411522
Common questions
What is Thomas Tonghon Chung, D.D.S.'s NPI number?
Thomas Tonghon Chung, D.D.S.'s National Provider Identifier (NPI) is 1831341593, issued on Oct 14, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Tonghon Chung, D.D.S. located?
The NPPES record lists a practice address at 351 Executive Pkwy, Rockford, IL, 61107. Phone: (815) 226-5432. Providers update this record themselves, so call before visiting.
How can I verify Thomas Tonghon Chung, D.D.S.'s license?
NPPES lists Illinois license number 019025491, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Tonghon Chung, D.D.S. prescribe under Medicare Part D?
In 2024, Thomas Tonghon Chung, D.D.S. had 60 Medicare Part D claims for 44 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.