NPPES file of Aug 9, 2026

Yiwen Toni Chen, DMD

Dentist · Allentown, PA

Yiwen Toni Chen, DMD is a dentist with a practice address in Allentown, Pennsylvania, and NPI 1962856724, issued on Apr 19, 2016. Check the license with the Pennsylvania 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
1962856724
Name
Yiwen Toni Chen
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
11823 CT
Self-reported in NPPES; status is on the state search
Practice location
1651 N Cedar Crest Blvd Ste 209, Allentown, PA 18104
Phone
(610) 821-1130
Enumerated
Apr 19, 2016
Record last updated
Jun 20, 2023
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 1651 N Cedar Crest Blvd Ste 209

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

  1. Thomas Graham, DMDEndodontics1215243746
  2. Timothy Lin, DMDDentist1750316071

Verify Yiwen Toni Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania 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
Find the Pennsylvania 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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59% fewer Medicare Part D claims than the average dentist in 2024

35 Medicare Part D claims for 27 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. Yiwen Chen35
  2. Specialty average86

Most prescribed

  1. 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.

Yiwen Toni Chen among 3,339 dentist records in Pennsylvania

Yiwen Toni Chen, DMD is one of 3,339 dentist records with a practice address in Pennsylvania. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 71% of them.

  • NPI issued2016 · 71% of these records are older, 27% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2023 · 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

72 dentist records list a practice address in Allentown

They are 72 of the 5,904 NPPES records with a practice address in Allentown, and 3,339 dentist records in Pennsylvania.

The 8 dentist records with the nearest ZIP codes

  1. Manassi Antonis, DDSAllentown, PA 181041215101852
  2. Dennis AsenAllentown, PA 181041972573301
  3. Mark Diamond, DMDAllentown, PA 181041932380656
  4. Leslee Dreisbach, DMDAllentown, PA 181041649281817
  5. Ethan Gearhart, DDSAllentown, PA 181041295819522
  6. Gary Greenberg, D.M.D.Allentown, PA 181041902847643
  7. Jerome Kaplan, DDSAllentown, PA 181041669653382
  8. Daniel Keating, D.M.DAllentown, PA 181041104843184

Common questions

What is Yiwen Toni Chen, DMD's NPI number?

Yiwen Toni Chen, DMD's National Provider Identifier (NPI) is 1962856724, issued on Apr 19, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Yiwen Toni Chen, DMD located?

The NPPES record lists a practice address at 1651 N Cedar Crest Blvd Ste 209, Allentown, PA, 18104. Phone: (610) 821-1130. Providers update this record themselves, so call before visiting.

How can I verify Yiwen Toni Chen, DMD's license?

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

How much does Yiwen Toni Chen, DMD prescribe under Medicare Part D?

In 2024, Yiwen Toni Chen, DMD had 35 Medicare Part D claims for 27 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.