Courtney M. Duffy, APRN, CNM
Advanced Practice Midwife · Sterling, IL
Courtney M. Duffy, APRN, CNM is an advanced practice midwife with a practice address in Sterling, Illinois, and NPI 1083189823, issued on Oct 8, 2018. Check the license (Illinois 209018146, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Courtney M. Duffy
- Credential
- APRN, CNM
- Primary taxonomy
- Advanced Practice Midwife 367A00000X
- License number
- 209018146 IL
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Lefevre RD, Sterling, IL 61081
- Phone
- (815) 625-0400
- Enumerated
- Oct 8, 2018
- Record last updated
- Jan 20, 2026
- Medicare enrollment
- Enrolled (PECOS I20250822001424); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest advanced practice midwife records → All 494 in Illinois → Look up another NPI →
Also registered at 100 E Lefevre RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Desiree Laurel Burke, NPNurse Practitioner1104542372
- Wendy Burke, PTPhysical Therapist1033454244
- Ashlea Canady, M.D.Surgery Physician1730443193
- Phong Dang, M.D.Family Medicine Physician1447394465
- Kelly DiehlPhysical Therapist1235494055
- Jason EllisHospitalist Physician1679828578
Verify Courtney M. Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209018146Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average advanced practice midwife in 2024
110 Medicare Part D claims for 42 beneficiaries, against an average of 72 among the 2,776 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $97.06
5 payments; by number, the most common kind was food and beverage; the largest payer was Biogen, Inc. The 3,833 providers of this specialty with any payment received $204.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Cgh Medical CenterSterling, IL · Acute Care Hospitals1 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Courtney M. Duffy among 494 advanced practice midwife records in Illinois
Courtney M. Duffy, APRN, CNM is one of 494 advanced practice midwife records with a practice address in Illinois. 53% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 67% of them.
- NPI issued2018 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2018 · median 2017 among the 188 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Advanced Practice Midwife providers in Illinois
There are 494 advanced practice midwife records in Illinois.
All 494 in Illinois → Every provider in Sterling → Advanced Practice Midwife nationwide →
The 8 advanced practice midwife records with the nearest ZIP codes
- Elizabeth Burke, CNMRoscoe, IL 610731972176279
- Ashlee McKean, APRN-CNMRoscoe, IL 610731801748983
- Vicki Beck, CNM, APNRockford, IL 611021770596751
- Rachel Bland, CNMRockford, IL 611021508462326
- Amanda Cantu, APRNRockford, IL 611021790248110
- Jennifer Dobson, C.N.M.Rockford, IL 611021386712651
- Amanda Hahn, APN, CNM, PMHNPRockford, IL 611021811244569
- Dana Hoffman, C.N.M.Rockford, IL 611021275881385
Common questions
What is Courtney M. Duffy, APRN, CNM's NPI number?
Courtney M. Duffy, APRN, CNM's National Provider Identifier (NPI) is 1083189823, issued on Oct 8, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Courtney M. Duffy, APRN, CNM located?
The NPPES record lists a practice address at 100 E Lefevre RD, Sterling, IL, 61081. Phone: (815) 625-0400. Providers update this record themselves, so call before visiting.
How can I verify Courtney M. Duffy, APRN, CNM's license?
NPPES lists Illinois license number 209018146, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Courtney M. Duffy, APRN, CNM prescribe under Medicare Part D?
In 2024, Courtney M. Duffy, APRN, CNM had 110 Medicare Part D claims for 42 beneficiaries; the average among advanced practice midwife prescribers was 72. Part D covers Medicare prescriptions only.
What is Courtney M. Duffy, APRN, CNM's MIPS final score?
The 2023 MIPS final score is 82.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.