Cathleen A. Mulcahy, APN
Nurse Practitioner · Chicago, IL
Cathleen A. Mulcahy, APN is a nurse practitioner with a practice address in Chicago, Illinois, and NPI 1861637514, issued on Dec 10, 2008. Check the license (Illinois 209007308, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cathleen A. Mulcahy
- Credential
- APN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209007308 IL
Self-reported in NPPES; status is on the state search - Practice location
- 259 E Erie St FL 16, Chicago, IL 60611
- Phone
- (312) 695-2300
- Enumerated
- Dec 10, 2008
- Record last updated
- Jun 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (630) 926-6068
- Medicare enrollment
- Enrolled (PECOS I20090116000602); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 259 E Erie St FL 16
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cathleen A. Mulcahy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209007308Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average nurse practitioner in 2024
186 Medicare Part D claims for 65 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
- Ozempic21 claims
- Jardiance20 claims
- Metformin Hcl Er14 claims
- Trulicity13 claims
- Lantus Solostar12 claims
- Metformin Hcl11 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 MIPS final score for 2023 (Medicare payment program): 97.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 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.
Cathleen A. Mulcahy among 4,892 nurse practitioner records in Illinois
Cathleen A. Mulcahy, APN is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 15% of them.
- NPI issued2008 · 15% of these records are older, 83% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2008 · median 2018 among the 3,389 with a school on file
- Record last updated2021 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
952 nurse practitioner records list a practice address in Chicago
They are 952 of the 63,379 NPPES records with a practice address in Chicago, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Chicago → Nurse Practitioner nationwide →
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Common questions
What is Cathleen A. Mulcahy, APN's NPI number?
Cathleen A. Mulcahy, APN's National Provider Identifier (NPI) is 1861637514, issued on Dec 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Cathleen A. Mulcahy, APN located?
The NPPES record lists a practice address at 259 E Erie St FL 16, Chicago, IL, 60611. Phone: (312) 695-2300. Providers update this record themselves, so call before visiting.
How can I verify Cathleen A. Mulcahy, APN's license?
NPPES lists Illinois license number 209007308, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Cathleen A. Mulcahy, APN prescribe under Medicare Part D?
In 2024, Cathleen A. Mulcahy, APN had 186 Medicare Part D claims for 65 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Cathleen A. Mulcahy, APN's MIPS final score?
The 2023 MIPS final score is 97.7 of 100. 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.