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MAUREEN ELIZABETH MARQUEZ APN-CNP, FNP
NPI 1235500877
Nurse Practitioner in Elmhurst, IL

Active since October 08, 2015PECOS EnrolledAccepts Medicare Assignment
91.35/100
CMS Quality Rating
1200 S YORK ST STE 1200, ELMHURST, IL 60126(331) 221-6090(331) 221-3839 Get Directions Write a Review

NPPES record last updated: May 28, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 28, 2025, Dec 31, 2019 (2 updates tracked since 2019).

About Maureen Elizabeth Marquez Apn-cnp, Fnp NPPES

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

MAUREEN ELIZABETH MARQUEZ APN-CNP, FNP (NPI 1235500877) is an individual nurse practitioner in Elmhurst, Illinois, licensed in Illinois (209013217) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and maintains a secondary practice location in Oak Park.

NPPES Registry Identity

NPI1235500877
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMAUREEN ELIZABETH MARQUEZCredential: APN-CNP, FNP
Location Address1200 S YORK ST STE 1200Elmhurst, IL 60126-5626
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 982-3175
Phone(331) 221-6090
Fax(331) 221-3839
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2015
Enumeration DateOctober 8, 2015
Last NPPES UpdateMay 28, 20252 updates tracked since enumeration
NPPES CertifiedMay 28, 2025
✔ NPI 1235500877 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 · 209013217
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 209013217 (IL)
1200 S YORK ST STE 1200, Elmhurst, IL 60126
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Other Names 1

Former Name (1)Maureen O'malley

Secondary Practice Location 1

Location 114 Lake StOak Park, IL 60302-2606 · Phone (708) 383-0113 · Fax (708) 383-0911

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maureen Elizabeth Marquez Apn-cnp, Fnp 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 ID1153625124
PECOS Enrollment IDI20160211001773
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.

Areas of Expertise CMS Part B claims 3

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
221 services53 patients
Removal of tissue from wound, 20.0 sq cm or less 97597
This procedure involves the careful removal of damaged or infected tissue from a wound that's 20.0 square cm or less. It's done to promote healing and prevent further infection. The process is carried out under local anesthesia, ensuring minimal discomfort.
80 services25 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
58 services42 patients

Hospital Affiliations CMS Care Compare

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

Edward Hospital

Acute Care Hospitals · Naperville, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140231
Location801 South WashingtonNaperville, IL 60540 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60126 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.

91.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.71
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 Maureen Marquez's NPI number?

The NPI number for Maureen Marquez is 1235500877. It was assigned to this individual provider in the NPPES registry on October 8, 2015. The provider is also known as Maureen O'malley.

Where is Maureen Marquez located?

Maureen Marquez practices at 1200 S York St Ste 1200, Elmhurst, IL 60126. The listed phone number is (331) 221-6090.

What is Maureen Marquez's specialty?

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

Is Maureen Marquez enrolled in Medicare?

Yes. Maureen Marquez 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.

Is Maureen Marquez affiliated with any hospitals?

According to CMS data, Maureen Marquez is affiliated with Edward Hospital.

When was this NPI record last updated?

The NPPES record for Maureen Marquez was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.