NPPES file of Aug 9, 2026

Xun Joy Chen, DMD, MD

Oral and Maxillofacial Surgery (Dentist) · Rockville, MD

Xun Joy Chen, DMD, MD is an oral and maxillofacial surgery (dentist) with a practice address in Rockville, Maryland, and NPI 1457764052, issued on Jun 11, 2014. Check the license (Maryland 17088, as entered in NPPES) with the Maryland 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
1457764052
Name
Xun Joy Chen
Credential
DMD, MD
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
License numbers
17088 MD
D0089860 MD
Self-reported in NPPES; status is on the state search
Practice location
15005 Shady Grove RD Ste 420, Rockville, MD 20850
Phone
(301) 762-0062
Enumerated
Jun 11, 2014
Record last updated
Dec 15, 2020 (not updated in 6 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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Verify Xun Joy Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 17088
    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
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48% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024

210 Medicare Part D claims for 101 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Xun Chen210
  2. Specialty average406

Most prescribed

  1. Amoxicillin-Clavulanate Potass78 claims
  2. Ibuprofen50 claims
  3. Chlorhexidine Gluconate23 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.

Xun Joy Chen among 200 oral and maxillofacial surgery (dentist) records in Maryland

Xun Joy Chen, DMD, MD is one of 200 oral and maxillofacial surgery (dentist) records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 82% of them.

  • NPI issued2014 · 82% of these records are older, 17% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2020 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oral and Maxillofacial Surgery (Dentist) providers in Maryland

There are 200 oral and maxillofacial surgery (dentist) records in Maryland.

The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes

  1. Lisa Cohen, DDSRockville, MD 208501679766794
  2. John Frensilli, DDSRockville, MD 208501063484608
  3. Sarah Naghibi, D.M.D., MDRockville, MD 208501598011066
  4. Ryan Park, DMDRockville, MD 208501316477524
  5. Chirag Patel, MD, DDSRockville, MD 208501073771440
  6. Brian Robinson, DDS MDRockville, MD 208501194806984
  7. Harlene Sandler, DDSRockville, MD 208501124143730
  8. Sivakumar Sreenivasan, DMD, MDSRockville, MD 208501275670937

Common questions

What is Xun Joy Chen, DMD, MD's NPI number?

Xun Joy Chen, DMD, MD's National Provider Identifier (NPI) is 1457764052, issued on Jun 11, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Xun Joy Chen, DMD, MD located?

The NPPES record lists a practice address at 15005 Shady Grove RD Ste 420, Rockville, MD, 20850. Phone: (301) 762-0062. Providers update this record themselves, so call before visiting.

How can I verify Xun Joy Chen, DMD, MD's license?

NPPES lists Maryland license number 17088, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Xun Joy Chen, DMD, MD prescribe under Medicare Part D?

In 2024, Xun Joy Chen, DMD, MD had 210 Medicare Part D claims for 101 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.