NPPES file of Aug 9, 2026

Duy Quoc Ly, M.D.

Psychiatry Physician · Brockton, MA

Duy Quoc Ly, M.D. is a psychiatry physician with a practice address in Brockton, Massachusetts, and NPI 1649620360, issued on Jun 14, 2016. Check the license (Massachusetts 281590, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1649620360
Name
Duy Quoc Ly
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
281590 MA
Self-reported in NPPES; status is on the state search
Practice location
940 Belmont St, Brockton, MA 02301
Phone
(774) 826-2456
Enumerated
Jun 14, 2016
Record last updated
Feb 5, 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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Also registered at 940 Belmont St

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

  1. Eden AbramsClinical Social Worker1447806690
  2. Alicemary Adams, RNRegistered Nurse1245590272
  3. Amy Agrawal, M.D.Psychiatry Physician1215166822
  4. Katie Aguilar Mendoza, PSY.D.Clinical Psychologist1619406618
  5. Adrianna Alexander, MSOT, BCPROccupational Therapist1720445802
  6. Ilona Almeida, PHARMD, RPH, BCPPPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1982003265

Verify Duy Quoc Ly in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 281590
    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
Open the Massachusetts 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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98% fewer Medicare Part D claims than the average psychiatry physician in 2024

23 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Duy Ly23
  2. Specialty average1,000

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.

Duy Quoc Ly among 2,736 psychiatry physician records in Massachusetts

Duy Quoc Ly, M.D. is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% 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 81% of them.

  • NPI issued2016 · 81% of these records are older, 17% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2020 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

67 psychiatry physician records list a practice address in Brockton

They are 67 of the 4,287 NPPES records with a practice address in Brockton, and 2,736 psychiatry physician records in Massachusetts.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Earle Bailey, M.D.Brockton, MA 023011902818362
  2. John Bradley, M.D.Brockton, MA 023011174572721
  3. Barbara Cannon, M.D.Brockton, MA 023011366482390
  4. Grace Chang, MDBrockton, MA 023011366432908
  5. Howard Chang, M.D.Brockton, MA 023011679581342
  6. Luz Evangeline Dizon, M.D.Brockton, MA 023011902891724
  7. Jane Epstein, M.D.Brockton, MA 023011386673861
  8. Fe Erlita Festin, M.D.Brockton, MA 023011326052168

Common questions

What is Duy Quoc Ly, M.D.'s NPI number?

Duy Quoc Ly, M.D.'s National Provider Identifier (NPI) is 1649620360, issued on Jun 14, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Duy Quoc Ly, M.D. located?

The NPPES record lists a practice address at 940 Belmont St, Brockton, MA, 02301. Phone: (774) 826-2456. Providers update this record themselves, so call before visiting.

How can I verify Duy Quoc Ly, M.D.'s license?

NPPES lists Massachusetts license number 281590, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Duy Quoc Ly, M.D. prescribe under Medicare Part D?

In 2024, Duy Quoc Ly, M.D. had 23 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.