NPPES file of Aug 9, 2026

Giac Dang, D.M.D

Periodontics · Boston, MA

Giac Dang, D.M.D is a periodontics with a practice address in Boston, Massachusetts, and NPI 1033497821, issued on Jul 27, 2011. Check the license (Massachusetts DN1855796, 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
1033497821
Name
Giac Dang
Credential
D.M.D
Primary taxonomy
Periodontics 1223P0300X
License number
DN1855796 MA
Self-reported in NPPES; status is on the state search
Practice location
1 Kneeland St, Boston, MA 02111
Phone
(617) 636-6531
Enumerated
Jul 27, 2011
Record last updated
Jul 27, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(617) 636-0911
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 1 Kneeland St

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

  1. Matias Abarca Caldera, DDSStudent in an Organized Health Care Education/Training Program1316789936
  2. Anood Abdel JawadStudent in an Organized Health Care Education/Training Program1962247072
  3. Ryan Abdool, DMDDentist1336318609
  4. Anam AbidiStudent in an Organized Health Care Education/Training Program1982536447
  5. Hayam AbouseoudDentist1922779719
  6. Ayman Aboushala, D.M.D.Endodontics1730244401

Verify Giac Dang 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 DN1855796    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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3.1 times the Medicare Part D claims of the average periodontics in 2024

852 Medicare Part D claims for 268 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. 77 claims were for opioids.

  1. Giac Dang852
  2. Specialty average277

Most prescribed

  1. Chlorhexidine Gluconate258 claims
  2. Amoxicillin244 claims
  3. Ibuprofen171 claims
  4. Oxycodone-Acetaminophen47 claims
  5. Azithromycin35 claims
  6. Hydrocodone-Acetaminophen21 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: $197.63

5 payments; by number, the most common kind was food and beverage; the largest payer was Kulzer, LLC. The 2,966 providers of this specialty with any payment received $1,338.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Giac Dang$197.63
  2. Specialty average$1,338.41

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

Periodontics providers in Massachusetts

There are 390 periodontics records in Massachusetts.

All 390 in Massachusetts → Every provider in Boston →

Other periodontics records in Massachusetts

  1. Sharam Abbott, D.M.D.Hudson, MA1548287279
  2. Carlos AbboudQuincy, MA1518158591
  3. Rima Abdallah, BDSBoston, MA1669632626
  4. Natalia Acosta-Farhadi, DDS, MSMarlborough, MA1760160212
  5. Bushra AhmadBoston, MA1447763081
  6. Chiho Ahn, DMDBoston, MA1215465505
  7. Hamad Al-Fahad, D.M.D.Boston, MA1730327222
  8. Shatha Al-HarthiBoston, MA1699029355
  9. Majdi AladmawyBoston, MA1639429525
  10. Abdulla Alani, BDSBoston, MA1447929195

Common questions

What is Giac Dang, D.M.D's NPI number?

Giac Dang, D.M.D's National Provider Identifier (NPI) is 1033497821, issued on Jul 27, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Giac Dang, D.M.D located?

The NPPES record lists a practice address at 1 Kneeland St, Boston, MA, 02111. Phone: (617) 636-6531. Providers update this record themselves, so call before visiting.

How can I verify Giac Dang, D.M.D's license?

NPPES lists Massachusetts license number DN1855796, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Giac Dang, D.M.D prescribe under Medicare Part D?

In 2024, Giac Dang, D.M.D had 852 Medicare Part D claims for 268 beneficiaries; the average among periodontics prescribers was 277. 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.