Doctor profile · Federal record

Dr. Bradley Grammens, DDS

General Practice Dentistry · Helena, MT

  • NPI 1679134720
  • 7 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2744 Colonial Dr
Helena, MT 596014947
(406) 442-0882
fax (406) 442-0849

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
Montana #DEN-DEN-LIC-17397

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679134720. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,810
Transactions
27
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Zimvie INC. 27 $2,809.84

By nature of payment

Travel and Lodging
$1,686
Food and Beverage
$1,124

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$37
Drug Type Claims Patients Total cost
Amoxicillin Generic 11 0 $37

Frequently asked questions

Auto-generated from federal data
What is Dr. Bradley Grammens's medical specialty?
Dr. Bradley Grammens practices General Practice Dentistry in Helena, MT.
Where does Dr. Bradley Grammens practice?
Dr. Bradley Grammens practices at 2744 Colonial Dr, Helena, MT 596014947. Office phone: 4064420882.
What is Dr. Bradley Grammens's NPI?
Dr. Bradley Grammens's National Provider Identifier (NPI) is 1679134720, issued by NPPES.