Doctor profile · Federal record

Dr. Courtney Duffy, APRN, CNM

Advanced Practice Midwife (CMS: Nurse Practitioner) · Psychiatric/Mental Health Nurse Practitioner · Midwife · Sterling, IL

  • NPI 1083189823
  • Accepts Medicare
  • MIPS 80.9 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 E Lefevre RD
Sterling, IL 610811279
(815) 625-0400

Credentials & registration

NPPES · NUCC
NPI registered
October 2018 — 8 yrs on file
Profile last updated
January 20, 2026
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
367A00000X — NUCC code
State license (1)
Illinois #209018146

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083189823. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$97
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Biogen, Inc. 1 $25.78
Sumitomo Pharma America, Inc. 1 $19.85
Hologic Sales and Service, LLC 1 $19.66
VERTEX PHARMACEUTICALS INCORPORATED 1 $16.81
Organon Llc 1 $14.96

By nature of payment

Food and Beverage
$97

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Courtney Duffy's medical specialty?
Dr. Courtney Duffy practices Advanced Practice Midwife in Sterling, IL.
Where does Dr. Courtney Duffy practice?
Dr. Courtney Duffy practices at 100 E Lefevre RD, Sterling, IL 610811279. Office phone: 8156250400.
What is Dr. Courtney Duffy's NPI?
Dr. Courtney Duffy's National Provider Identifier (NPI) is 1083189823, issued by NPPES.
Does Dr. Courtney Duffy accept Medicare assignment?
Yes. Dr. Courtney Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.