LAUREN L FLEPS APN, ANP-BC
NPI 1720210107
Nurse Practitioner in Naperville, IL

Active since August 18, 2009PECOS EnrolledAccepts Medicare Assignment
801 S WASHINGTON ST, NAPERVILLE, IL 60540(630) 527-7979(630) 527-7925 Get Directions Write a Review

NPPES record last updated: March 19, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 19, 2025, Oct 1, 2024 (2 updates tracked since 2024).

About Lauren L Fleps Apn, Anp-bc NPPES

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

LAUREN L FLEPS APN, ANP-BC (NPI 1720210107) is an individual nurse practitioner in Naperville, Illinois, licensed in Illinois (209007732) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, is affiliated with Swedish Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2009).

NPPES Registry Identity

NPI1720210107
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameLAUREN L FLEPSCredential: APN, ANP-BC
Location Address801 S WASHINGTON STNaperville, IL 60540-7430
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 733-5315
Fax(630) 527-7925
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2009
Enumeration DateAugust 18, 2009
Last NPPES UpdateMarch 19, 20252 updates tracked since enumeration
NPPES CertifiedMarch 19, 2025
✔ NPI 1720210107 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 · 209007732
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 · Adult HealthTaxonomy 363LA2200X · License 209007732 (IL)
801 S WASHINGTON ST, Naperville, IL 60540

Other Identifiers 5

Other206147IL · Medicare Ptan (group)
OtherP01208091IL · Medicare Railroad (individual)
Medicaid041348428IL
Other206147248IL · Medicare Ptan (individual)
OtherCA4748IL · Medicare Railroad (group)

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

Lauren L Fleps Apn, Anp-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 ID1557409463
PECOS Enrollment IDI20091113000436
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

6

Medicare enrollment records show Lauren Fleps reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
General Acute Care Hospital
801 S WASHINGTON ST
Naperville, IL 60540
  • Reassigned Medicare billing, Illinois enrollment
  • 268 clinicians in this Medicare group
Neurology
120 SPALDING DR, STE 207
Naperville, IL 60540
  • Reassigned Medicare billing, Illinois enrollment
  • 561 clinicians in this Medicare group
Family Medicine
5777 DEPARTMENT
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 1,664 clinicians in this Medicare group
Cardiovascular Disease
3825 HIGHLAND AVE, TOWER 2 SUITE 400
Downers Grove, IL 60515
  • Reassigned Medicare billing, Illinois enrollment
  • 4,870 clinicians in this Medicare group
General Acute Care Hospital
155 E BRUSH HILL RD
Elmhurst, IL 60126
  • Reassigned Medicare billing, Illinois enrollment
  • 205 clinicians in this Medicare group
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group

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 4

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
601 services107 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
83 services42 patients
Remote monitoring of pulmonary artery pressure sensor, up to 30 days 93264
Remote monitoring of pulmonary artery pressure is a procedure where a sensor, placed in your lung artery, transmits data about your heart's function for up to 30 days. This helps doctors monitor your heart health remotely, ensuring timely intervention if needed.
59 services13 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.
18 services14 patients

Hospital Affiliations CMS Care Compare 2

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

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

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 60540 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Treprostinil, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, 1.74 mg J7686
DME-Drugs Administered Through DME · category DG004N
2 suppliers22 claims616 services$549.37 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
2 suppliers20 claims20 services$26.08 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Pain Medicine (Interventional Pain Medicine)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Family Medicine (Hospice and Palliative Medicine)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
General Acute Care Hospital
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Internal Medicine (Infectious Disease)
801 S WASHINGTON ST, EDWARD HOSPITAL, ADMINISTRATION, VPMA OFFICE
NAPERVILLE, IL 60540
Radiology (Diagnostic Radiology)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540

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 Lauren Fleps's NPI number?

The NPI number for Lauren Fleps is 1720210107. It was assigned to this individual provider in the NPPES registry on August 18, 2009.

Where is Lauren Fleps located?

Lauren Fleps practices at 801 S Washington St, Naperville, IL 60540. The listed phone number is (630) 527-7979.

What is Lauren Fleps's specialty?

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

Is Lauren Fleps enrolled in Medicare?

Yes. Lauren Fleps 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 organizations bill Medicare for Lauren Fleps's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Fleps reassigns Medicare benefits to 6 organizations: Edward Hospital (Naperville, IL), Edward Health Ventures (Naperville, IL), Central Dupage Physician Group (Carol Stream, IL), Advocate Health And Hospitals Corporation (Downers Grove, IL), Elmhurst Memorial Hospital (Elmhurst, IL) and 1 more organization, listed in the Medicare section above. Each 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 Lauren Fleps's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Lauren Fleps affiliated with any hospitals?

According to CMS data, Lauren Fleps is affiliated with Swedish Hospital and Edward Hospital.

When was this NPI record last updated?

The NPPES record for Lauren Fleps was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.