Doctor profile · Federal record

Dr. Erika Duffy, NP

Primary Care Nurse Practitioner · Nurse Practitioner · Billings, MT

  • NPI 1700194453
  • 16 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1233 N 30Th St
Billings, MT 591010127
(406) 237-4116

Credentials & registration

NPPES · NUCC
NPI registered
September 2010 — 16 yrs on file
Profile last updated
July 14, 2021
Specialty taxonomy
363LP2300X — NUCC code
State licenses (2)
Montana #100692 · Montana #33043

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700194453. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$186
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 4 $99.55
Teva Pharmaceuticals USA, INC. 3 $49.09
Celgene Corporation 1 $22.45
Merz Pharmaceuticals, LLC 1 $14.45

By nature of payment

Food and Beverage
$186

Frequently asked questions

Auto-generated from federal data
What is Dr. Erika Duffy's medical specialty?
Dr. Erika Duffy practices Primary Care Nurse Practitioner in Billings, MT.
Where does Dr. Erika Duffy practice?
Dr. Erika Duffy practices at 1233 N 30Th St, Billings, MT 591010127. Office phone: 4062374116.
What is Dr. Erika Duffy's NPI?
Dr. Erika Duffy's National Provider Identifier (NPI) is 1700194453, issued by NPPES.