Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARY J KLUEVER FNP-BC
NPI 1598154247
Nurse Practitioner in St Charles, IL

Q: What is Mary Kluever's NPI number?

The NPI number for Mary Kluever is 1598154247. It was assigned to this individual provider in the NPPES registry on January 19, 2015.

Q: What is Mary Kluever's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mary Kluever was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.

Active since January 19, 2015PECOS EnrolledAccepts Medicare Assignment

2900 FOXFIELD RD STE 100, ST CHARLES, IL 60174(630) 938-6000(630) 377-6577 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 23, 2026, May 26, 2022, May 7, 2022 (3 updates tracked since 2022).

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About Mary J Kluever Fnp-bc NPPES

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

MARY J KLUEVER FNP-BC (NPI 1598154247) is an individual nurse practitioner in St Charles, Illinois, licensed in Illinois (277001125) and active in the NPI registry since January 2015. She is enrolled in Medicare PECOS, is affiliated with Saint Francis Medical Center, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1598154247

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMARY J KLUEVERCredential: FNP-BC

Location Address2900 FOXFIELD RD STE 100St Charles, IL 60174-5799

Mailing Address2900 Foxfield Rd Ste 100St Charles, IL 60174-5799 · (630) 938-6000 · Fax (630) 377-6577

Phone(630) 938-6000

Fax(630) 377-6577

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateJanuary 19, 2015

Last NPPES UpdateSeptember 23, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 23, 2026

✔ NPI 1598154247 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 · 277001125

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 209012379 (IL)

2900 FOXFIELD RD STE 100, St Charles, IL 60174

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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

Mary J Kluever Fnp-bc 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 ID9335458256

PECOS Enrollment IDI20151015002004

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 Reassignments

Medicare enrollment records show Mary Kluever reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwestern Medical Faculty Foundation

8.3 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

Health Service Systems, Inc

30 mi

Internal Medicine

1851 SILVER CROSS BOULEVARD, SUITE 110
New Lenox, IL 60451

Reassigned Medicare billing, Illinois enrollment
133 clinicians in this Medicare group

NPI 1851323257 (815) 300-3060

Osf Multi-Specialty Group

107 mi

Internal Medicine

8600 N STATE ROUTE 91
Peoria, IL 61615

Reassigned Medicare billing, Illinois enrollment
2,944 clinicians in this Medicare group

NPI 1154908929 (309) 683-5050

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

Areas of Expertise CMS Part B claims 5

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.

59 services57 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

13 services13 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

12 services12 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Saint Francis Medical Center

Acute Care Hospitals · Peoria, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140067

Location530 NE Glen Oak AvePeoria, IL 61637 · Peoria County

Emergency services Birthing friendly

Osf Little Company Of Mary Medical Center

Acute Care Hospitals · Evergreen Park, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140179

Location2800 W 95th StEvergreen Park, IL 60805 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60174 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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS JENNA ELYSE EISSES PA-C

Physician Assistant