Hyung-Jun Ahn, DMD
General Practice Dentistry · Lexington, MA
Hyung-Jun Ahn, DMD is a general practice dentistry with a practice address in Lexington, Massachusetts, and NPI 1508989476, issued on Apr 7, 2007. Check the license (Massachusetts 21091, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hyung-Jun Ahn
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 21091 MA
Self-reported in NPPES; status is on the state search - Practice location
- 57 Bedford St, Lexington, MA 02420
- Phone
- (781) 861-8978
- Enumerated
- Apr 7, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,489 in Massachusetts → Look up another NPI →
Also registered at 57 Bedford St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jane Adolph, LICSWClinical Social Worker1396835476
- Lauren Alessi, M.S., CCC-SLPSpeech-Language Pathologist1366688772
- Caitlin Apel, DPTPhysical Therapist1003243460
- Lisa Arbesfeld, MDDermatology Physician1548351679
- David Brother, DMDGeneral Practice Dentistry1932289717
- Youngjoo Cha, D.M.D.General Practice Dentistry1407979370
Verify Hyung-Jun Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 21091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average general practice dentistry in 2024
23 Medicare Part D claims for 14 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin18 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.
Hyung-Jun Ahn among 3,489 general practice dentistry records in Massachusetts
Hyung-Jun Ahn, DMD is one of 3,489 general practice dentistry records with a practice address in Massachusetts. 58% 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 37% of them.
- NPI issued2007 · 37% of these records are older, 41% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 77% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 general practice dentistry records list a practice address in Lexington
They are 28 of the 1,467 NPPES records with a practice address in Lexington, and 3,489 general practice dentistry records in Massachusetts.
All 3,489 in Massachusetts → Every provider in Lexington → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- David Brother, DMDLexington, MA 024201932289717
- Youngjoo Cha, D.M.D.Lexington, MA 024201407979370
- Barry Cunha, D.D.S.Lexington, MA 024201427069608
- Robert Deregis, DMDLexington, MA 024201700917895
- Paul Dimattia, DDSLexington, MA 024201750500807
- Xing Fan, D.M.D.Lexington, MA 024201629354071
- Galina Gitlin, DMDLexington, MA 024201417038498
- Benjamin Hadar, DMDLexington, MA 024201821020397
Common questions
What is Hyung-Jun Ahn, DMD's NPI number?
Hyung-Jun Ahn, DMD's National Provider Identifier (NPI) is 1508989476, issued on Apr 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hyung-Jun Ahn, DMD located?
The NPPES record lists a practice address at 57 Bedford St, Lexington, MA, 02420. Phone: (781) 861-8978. Providers update this record themselves, so call before visiting.
How can I verify Hyung-Jun Ahn, DMD's license?
NPPES lists Massachusetts license number 21091, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Hyung-Jun Ahn, DMD prescribe under Medicare Part D?
In 2024, Hyung-Jun Ahn, DMD had 23 Medicare Part D claims for 14 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.