Doctor profile · Federal record

Dr. GREGG NAGEL, DMD

Endodontist · FRAMINGHAM, MA

  • NPI 1225224124
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 MAIN ST
FRAMINGHAM, MA 017022934
(508) 872-4879
fax (508) 620-9261

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Specialty taxonomy
1223E0200X — NUCC code
State license (1)
Massachusetts #19781

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225224124. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Sonendo Inc 1 $26.67

By nature of payment

Food and Beverage
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
141
Patients
135
Total drug cost
$560
Drug Type Claims Patients Total cost
Amoxicillin Generic 62 57 $191
Chlorhexidine Gluconate Generic 28 28 $132
Ibuprofen Generic 20 20 $37
Clindamycin Hcl Generic 19 18 $171
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 12 12 $30