Doctor profile · Federal record

Dr. Joseph Gassenberg, MD

Family Medicine Physician · Missoula, MT

  • NPI 1558413252
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2831 Fort Missoula RD, Suite 146
Missoula, MT 598047419
(406) 327-3880
fax (406) 829-1865

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
April 7, 2011
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #10424
Medicaid
MT #1558413252

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558413252. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$52
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 2 $30.80
Novo Nordisk INC 1 $21.65

By nature of payment

Food and Beverage
$52

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Gassenberg's medical specialty?
Dr. Joseph Gassenberg practices Family Medicine Physician in Missoula, MT.
Where does Dr. Joseph Gassenberg practice?
Dr. Joseph Gassenberg practices at 2831 Fort Missoula RD, Missoula, MT 598047419. Office phone: 4063273880.
What is Dr. Joseph Gassenberg's NPI?
Dr. Joseph Gassenberg's National Provider Identifier (NPI) is 1558413252, issued by NPPES.