NPPES file of Aug 9, 2026

Justine Chiou, DMD

Endodontics · Salem, MA

Justine Chiou, DMD is an endodontics with a practice address in Salem, Massachusetts, and NPI 1194307983, issued on Apr 22, 2021. Check the license (Massachusetts DN1858991, 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
1194307983
Name
Justine Chiou
Credential
DMD
Primary taxonomy
Endodontics 1223E0200X
License number
DN1858991 MA
Self-reported in NPPES; status is on the state search
Practice location
2 Winter St, Salem, MA 01970
Phone
(978) 745-6900
Enumerated
Apr 22, 2021
Record last updated
Jul 25, 2023
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 2 Winter St

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

  1. Sandra Makkar, D.D.S.Endodontics1306855382
  2. Arnold Maloff, D.M.D.Endodontics1386653046
  3. Carlene Tsai, D.M.D.Endodontics1184633166

Verify Justine Chiou 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 DN1858991
    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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90% fewer Medicare Part D claims than the average endodontics in 2024

12 Medicare Part D claims for 11 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Justine Chiou12
  2. Specialty average121

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.

Industry payments in 2024: $16.87

1 payment: gift; the largest payer was Sonendo Inc. The 2,057 providers of this specialty with any payment received $49,739.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Justine Chiou$17
  2. Specialty average$49,740

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Justine Chiou among 276 endodontics records in Massachusetts

Justine Chiou, DMD is one of 276 endodontics records with a practice address in Massachusetts. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.

  • NPI issued2021 · 93% of these records are older, 5% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2023 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Massachusetts

There are 276 endodontics records in Massachusetts.

The 8 endodontics records with the nearest ZIP codes

  1. Sandra Makkar, D.D.S.Salem, MA 019701306855382
  2. Arnold Maloff, D.M.D.Salem, MA 019701386653046
  3. Carlene Tsai, D.M.D.Salem, MA 019701184633166
  4. Brian Chuang, DMD, MSCDPeabody, MA 019601821002015
  5. Harold Levin, DMD,FICDPeabody, MA 019601699789842
  6. Peter Morgan, DMD,MSCDPeabody, MA 019601164436390
  7. Ashwini Parchure, DMD, MMSCPeabody, MA 019601811574817
  8. James Pastore, D.M.DPeabody, MA 019601568995066

Common questions

What is Justine Chiou, DMD's NPI number?

Justine Chiou, DMD's National Provider Identifier (NPI) is 1194307983, issued on Apr 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Justine Chiou, DMD located?

The NPPES record lists a practice address at 2 Winter St, Salem, MA, 01970. Phone: (978) 745-6900. Providers update this record themselves, so call before visiting.

How can I verify Justine Chiou, DMD's license?

NPPES lists Massachusetts license number DN1858991, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Justine Chiou, DMD prescribe under Medicare Part D?

In 2024, Justine Chiou, DMD had 12 Medicare Part D claims for 11 beneficiaries; the average among endodontics prescribers was 121. 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.