COURTNEY M DUFFY APRN, CNM
NPI 1083189823
Advanced Practice Midwife in Sterling, IL
About Courtney M Duffy Aprn, Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COURTNEY M DUFFY APRN, CNM (NPI 1083189823) is an individual advanced practice midwife in Sterling, Illinois, licensed in Illinois (209018146) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS, is affiliated with Cgh Medical Center, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Courtney M Duffy Aprn, Cnm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Courtney Duffy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sterling, IL 61081
- Reassigned Medicare billing, Illinois enrollment
- 356 clinicians in this Medicare group
Dixon, IL 61021
- Reassigned Medicare billing, Illinois enrollment
- 130 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cgh Medical Center
Acute Care Hospitals · Sterling, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61081 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STERLING, IL 61081
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Courtney Duffy's NPI number?
The NPI number for Courtney Duffy is 1083189823. It was assigned to this individual provider in the NPPES registry on October 8, 2018.
Where is Courtney Duffy located?
Courtney Duffy practices at 100 E Lefevre Rd, Sterling, IL 61081. The listed phone number is (815) 625-0400.
What is Courtney Duffy's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Courtney Duffy enrolled in Medicare?
Yes. Courtney Duffy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Courtney Duffy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Duffy reassigns Medicare benefits to 2 organizations: Cgh Medical Center (Sterling, IL) and Ksb Medical Group, Inc. (Dixon, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Courtney Duffy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Courtney Duffy affiliated with any hospitals?
According to CMS data, Courtney Duffy is affiliated with Cgh Medical Center.
When was this NPI record last updated?
The NPPES record for Courtney Duffy was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Courtney M Duffy, APRN, CNM · NPI 1083189823
Advanced Practice Midwife physician in Sterling, Illinois. Individual provider, active in the CMS NPPES registry since October 8, 2018.
## Identity
- **NPI:** 1083189823 (Entity type: Individual)
- **Enumerated:** October 8, 2018
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** 209018146 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 E LEFEVRE RD, Sterling, IL 61081-1279
- **Phone:** (815) 625-0400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cgh Medical Center (NPI 1902854623, Sterling, IL); Ksb Medical Group, Inc. (NPI 1629046115, Dixon, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** January 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1083189823) · Data from the CMS NPPES public registry.