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MARIA A. MCCARTHY APN-CNS
NPI 1427757897
Clinical Nurse Specialist in Evanston, IL

Active since February 24, 2023PECOS Enrolled
2650 RIDGE AVE STE 5240, EVANSTON, IL 60201(847) 570-1503(847) 733-5247 Get Directions Write a Review

NPPES record last updated: April 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 1, 2026, Jun 13, 2023, Feb 24, 2023 (3 updates tracked since 2023).

About Maria A. Mccarthy Apn-cns NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIA A. MCCARTHY APN-CNS (NPI 1427757897) is an individual clinical nurse specialist in Evanston, Illinois, licensed in Illinois (209004221) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427757897
Entity TypeIndividualFemale
Primary Taxonomy364S00000X
Provider Legal NameMARIA A. MCCARTHYCredential: APN-CNS
Location Address2650 RIDGE AVE STE 5240Evanston, IL 60201-1700
Mailing Address2650 Ridge Ave Ste 5240Evanston, IL 60201-1700 · (847) 570-1503 · Fax (847) 733-5247
Phone(847) 570-1503
Fax(847) 733-5247
Sole ProprietorYes
Enumeration DateFebruary 24, 2023
Last NPPES UpdateApril 1, 20263 updates tracked since enumeration
NPPES CertifiedApril 1, 2026
✔ NPI 1427757897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364S00000X
License✔ Licensed in IL · 209004221
Definition
A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.
Also ListedNurse PractitionerTaxonomy 363L00000X · License 209004221 (IL)
Also ListedClinical Nurse Specialist · Psychiatric/Mental Health, AdultTaxonomy 364SP0809X · License 209004221 (IL)
2650 RIDGE AVE STE 5240, Evanston, IL 60201
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria A. Mccarthy Apn-cns is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Maria Mccarthy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group
Same address
Anesthesiology
2650 RIDGE AVE, ANESTHESIOLOGY ROOM 3905
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1265695944 (847) 570-2760

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Maria Mccarthy's NPI number?

The NPI number for Maria Mccarthy is 1427757897. It was assigned to this individual provider in the NPPES registry on February 24, 2023.

Where is Maria Mccarthy located?

Maria Mccarthy practices at 2650 Ridge Ave Ste 5240, Evanston, IL 60201. The listed phone number is (847) 570-1503.

What is Maria Mccarthy's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist with taxonomy code 364S00000X.

Is Maria Mccarthy enrolled in Medicare?

Yes. Maria Mccarthy is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maria Mccarthy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Mccarthy reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, IL). The 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 Maria Mccarthy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Mccarthy accept?

Health plans from Oscar Health list Maria Mccarthy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Maria Mccarthy was last updated on April 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.