NPPES file of Aug 9, 2026

Chien-Yu Hsu, D.M.D.

General Practice Dentistry · Lowell, MA

Chien-Yu Hsu, D.M.D. is a general practice dentistry with a practice address in Lowell, Massachusetts, and NPI 1205817442, issued on Nov 5, 2005. Check the license (Massachusetts 17584, 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
1205817442
Name
Chien-Yu Hsu
Credential
D.M.D.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
17584 MA
Self-reported in NPPES; status is on the state search
Practice location
111 Chelmsford St, Lowell, MA 01851
Phone
(978) 453-7800
Enumerated
Nov 5, 2005
Record last updated
Jul 13, 2026
Fax
(978) 934-0920
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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8 nearest general practice dentistry records → All 3,489 in Massachusetts → Look up another NPI →

Also registered at 111 Chelmsford St

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

  1. Kai Gao, DMDGeneral Practice Dentistry1457649006

Verify Chien-Yu Hsu 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 17584    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
Find the Massachusetts license search

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51% more Medicare Part D claims than the average general practice dentistry in 2024

125 Medicare Part D claims for 73 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Chien-Yu Hsu125
  2. Specialty average83

Most prescribed

  1. Amoxicillin108 claims
  2. Chlorhexidine Gluconate11 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.

Chien-Yu Hsu among 3,489 general practice dentistry records in Massachusetts

Chien-Yu Hsu, D.M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% 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 updated2026 · 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).

39 general practice dentistry records list a practice address in Lowell

They are 39 of the 2,992 NPPES records with a practice address in Lowell, and 3,489 general practice dentistry records in Massachusetts.

All 3,489 in Massachusetts → Every provider in Lowell → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Kai Gao, DMDLowell, MA 018511457649006
  2. Yeachan Kim, DMDLowell, MA 018511154072056
  3. Chitrang Patel, DMDLowell, MA 018511669886602
  4. Meghan Powers, DMDLowell, MA 018511679078125
  5. Kanan Talati, DMDLowell, MA 018511619537131
  6. Namrita Yadav, DDSLowell, MA 018511871842229
  7. John Boss, DMDLowell, MA 018521245242866
  8. Daniel Brennan, DMDLowell, MA 018521265449011

Common questions

What is Chien-Yu Hsu, D.M.D.'s NPI number?

Chien-Yu Hsu, D.M.D.'s National Provider Identifier (NPI) is 1205817442, issued on Nov 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Chien-Yu Hsu, D.M.D. located?

The NPPES record lists a practice address at 111 Chelmsford St, Lowell, MA, 01851. Phone: (978) 453-7800. Providers update this record themselves, so call before visiting.

How can I verify Chien-Yu Hsu, D.M.D.'s license?

NPPES lists Massachusetts license number 17584, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Chien-Yu Hsu, D.M.D. prescribe under Medicare Part D?

In 2024, Chien-Yu Hsu, D.M.D. had 125 Medicare Part D claims for 73 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.