NPPES file of Aug 9, 2026

Yuan-Chen Lang, D.D.S.

General Practice Dentistry · Somerville, MA

Yuan-Chen Lang, D.D.S. is a general practice dentistry with a practice address in Somerville, Massachusetts, and NPI 1396899704, issued on Jan 22, 2007. Check the license (Massachusetts 18468, as entered in NPPES) with the Massachusetts 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
1396899704
Name
Yuan-Chen Lang
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
18468 MA
3371 NH
Self-reported in NPPES; status is on the state search
Practice location
701 Broadway, Somerville, MA 02144
Phone
(617) 623-1656
Enumerated
Jan 22, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(617) 623-7576
Medicaid ID
30302488 NH
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 701 Broadway

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

  1. Susana Barrios Pinera, D.M.DGeneral Practice Dentistry1801550199
  2. Bruno Rodrigues, DMDStudent in an Organized Health Care Education/Training Program1588221287

Verify Yuan-Chen Lang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 18468
    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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2.3 times the Medicare Part D claims of the average general practice dentistry in 2024

191 Medicare Part D claims for 85 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.

  1. Yuan-Chen Lang191
  2. Specialty average83

Most prescribed

  1. Ibuprofen73 claims
  2. Penicillin V Potassium73 claims
  3. Clindamycin Hcl24 claims
  4. Amoxicillin13 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.

28 general practice dentistry records list a practice address in Somerville

They are 28 of the 1,860 NPPES records with a practice address in Somerville, and 3,489 general practice dentistry records in Massachusetts.

Other general practice dentistry records in Massachusetts

  1. Mark Aaron, DMDGreat Barrington, MA1902020902
  2. Heidi Aaronson, D.M.D.Wellesley, MA1134375652
  3. Jamil Abbasy, DMDSouthampton, MA1992988026
  4. Sama Abdul-Aziz, DMDBoston, MA1427543610
  5. Muhannad AbdulghaniBrockton, MA1326806654
  6. Noor AbdulkareemQuincy, MA1932809662
  7. Asma AbdullahShrewsbury, MA1225301237
  8. Abdulaziz Abdulwahed, BDSBoston, MA1730637414
  9. Sabahat Abernethy, DMD, CAGSAbington, MA1518089903
  10. Rana Abood, DMDBoston, MA1376660936

Common questions

What is Yuan-Chen Lang, D.D.S.'s NPI number?

Yuan-Chen Lang, D.D.S.'s National Provider Identifier (NPI) is 1396899704, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Yuan-Chen Lang, D.D.S. located?

The NPPES record lists a practice address at 701 Broadway, Somerville, MA, 02144. Phone: (617) 623-1656. Providers update this record themselves, so call before visiting.

How can I verify Yuan-Chen Lang, D.D.S.'s license?

NPPES lists Massachusetts license number 18468, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Yuan-Chen Lang, D.D.S. prescribe under Medicare Part D?

In 2024, Yuan-Chen Lang, D.D.S. had 191 Medicare Part D claims for 85 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.