Doctor profile · Federal record

Dr. GIAC DANG, D.M.D

Periodontist · BOSTON, MA

  • NPI 1033497821
  • 15 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 KNEELAND ST, FLOOR 12
BOSTON, MA 021111527
(617) 636-6531
fax (617) 636-0911

Credentials & registration

NPPES · NUCC
NPI registered
July 2011 — 15 yrs on file
Specialty taxonomy
1223P0300X — NUCC code
State license (1)
Massachusetts #DN1855796

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033497821. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$198
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
KULZER, LLC 1 $84.07
Keystone Dental Inc. 1 $75.36
Air Techniques, Inc. 1 $21.66
Zest Holdings, LLC 2 $16.54

By nature of payment

Food and Beverage
$122
Entertainment
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
839
Patients
667
Total drug cost
$2,643
Drug Type Claims Patients Total cost
Amoxicillin Generic 243 193 $662
Chlorhexidine Gluconate Generic 232 167 $1,031
Ibuprofen Generic 181 143 $362
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 91 84 $211
Azithromycin Generic 38 36 $122
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 18 $85
Clindamycin Hcl Generic 17 14 $118
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 15 12 $52