1. Home
  2. Directory
  3. Illinois
  4. Wauconda
  5. Nurse Practitioner
  6. NPI Profile

MRS. MARIA AGNES A. PEREZ APN-CNP
NPI 1639523129
Nurse Practitioner in Wauconda, IL

Active since April 20, 2016PECOS EnrolledAccepts Medicare Assignment
93.08/100
CMS Quality Rating
2755 CEDAR CREEK CUTOFF RD, WAUCONDA, IL 60084(847) 899-9350 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mrs. Maria Agnes A. Perez Apn-cnp NPPES

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

MRS. MARIA AGNES A. PEREZ APN-CNP (NPI 1639523129) is an individual nurse practitioner in Wauconda, Illinois, licensed in Illinois (209013836) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1639523129
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. MARIA AGNES A. PEREZCredential: APN-CNP
Location Address2755 CEDAR CREEK CUTOFF RDWauconda, IL 60084-5007
Mailing Address2755 Cedar Creek Cutoff RdWauconda, IL 60084-5007 · (847) 899-9350
Phone(847) 899-9350
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateApril 20, 2016
Last NPPES UpdateMay 21, 2026
NPPES CertifiedMay 21, 2026
✔ NPI 1639523129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in IL · 209013836
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 209013836 (IL)
2755 CEDAR CREEK CUTOFF RD, Wauconda, IL 60084
Open in Google Maps ↗

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

Mrs. Maria Agnes A. Perez Apn-cnp 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.

PECOS PAC ID5698062552
PECOS Enrollment IDI20170412002100
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 Agnes Perez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group
28 mi
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60084 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

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.

93.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.79
Promoting Interoperability100
Improvement Activities40

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 Agnes Perez's NPI number?

The NPI number for Maria Agnes Perez is 1639523129. It was assigned to this individual provider in the NPPES registry on April 20, 2016.

Where is Maria Agnes Perez located?

Maria Agnes Perez practices at 2755 Cedar Creek Cutoff Rd, Wauconda, IL 60084. The listed phone number is (847) 899-9350.

What is Maria Agnes Perez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Maria Agnes Perez enrolled in Medicare?

Yes. Maria Agnes Perez 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 organization bills Medicare for Maria Agnes Perez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Agnes Perez 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 Agnes Perez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Maria Agnes Perez affiliated with any hospitals?

According to CMS data, Maria Agnes Perez is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Maria Agnes Perez was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.