NPPES file of Aug 9, 2026

Anna Chang-Chien, DDS

Dentist · Boston, MA

Anna Chang-Chien, DDS is a dentist with a practice address in Boston, Massachusetts, and NPI 1679291488, issued on Aug 17, 2022. Check the license (Massachusetts DN1859559, 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
1679291488
Name
Anna Chang-Chien
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
DN1859559 MA
Self-reported in NPPES; status is on the state search
Practice location
188 Longwood Ave, Boston, MA 02115
Phone
(617) 432-1434
Enumerated
Aug 17, 2022
Record last updated
Jul 5, 2025
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 188 Longwood Ave

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

  1. David Abdelmalak, D.D.S.Endodontics1497156889
  2. Mario Abdennour, DMD MMSCEndodontics1689749574
  3. Rachyl AdamsDentist1346005972
  4. Samuel AkhondiDentist1710764535
  5. Alyaa Al-Dohan, BDSOrthodontics and Dentofacial Orthopedics Dentistry1942729264
  6. Salem Al-Qabandi, DMDOrthodontics and Dentofacial Orthopedics Dentistry1518129519

Verify Anna Chang-Chien 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 DN1859559
    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

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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5% fewer Medicare Part D claims than the average dentist in 2024

82 Medicare Part D claims for 25 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Anna Chang-Chien82
  2. Specialty average86

Most prescribed

  1. Chlorhexidine Gluconate35 claims
  2. Ibuprofen21 claims
  3. Amoxicillin13 claims
  4. Azithromycin12 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.

Industry payments in 2024: $45.62

2 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Anna Chang-Chien$45.62
  2. Specialty average$540.36

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

Anna Chang-Chien among 2,934 dentist records in Massachusetts

Anna Chang-Chien, DDS is one of 2,934 dentist 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 2022, is newer than 76% of them.

  • NPI issued2022 · 76% of these records are older, 19% 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 updated2025 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

745 dentist records list a practice address in Boston

They are 745 of the 41,865 NPPES records with a practice address in Boston, and 2,934 dentist records in Massachusetts.

The 8 dentist records with the nearest ZIP codes

  1. Athbi Alqareer, B.D.M.Boston, MA 021151740445923
  2. Michelle Bendayan, HBSC, DDSBoston, MA 021151437390374
  3. Wendy Cohen, D.M.D.Boston, MA 021151245494020
  4. Stephelynn Deluca, D.D.S.Boston, MA 021151689835886
  5. Hamasat Gheddaf Dam, D.M.DBoston, MA 021151639368236
  6. Kevin Guze, DMDBoston, MA 021151659539336
  7. Joohyung Kim, D.D.S.Boston, MA 021151407010267
  8. Soo-Woo Kim, D.M.D., D.M.SC. M.S.Boston, MA 021151710134812

Common questions

What is Anna Chang-Chien, DDS's NPI number?

Anna Chang-Chien, DDS's National Provider Identifier (NPI) is 1679291488, issued on Aug 17, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Anna Chang-Chien, DDS located?

The NPPES record lists a practice address at 188 Longwood Ave, Boston, MA, 02115. Phone: (617) 432-1434. Providers update this record themselves, so call before visiting.

How can I verify Anna Chang-Chien, DDS's license?

NPPES lists Massachusetts license number DN1859559, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Anna Chang-Chien, DDS prescribe under Medicare Part D?

In 2024, Anna Chang-Chien, DDS had 82 Medicare Part D claims for 25 beneficiaries; the average among dentist prescribers was 86. 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.