JEANINE ELAINE SIENKOWSKI APN
NPI 1194807966
Nurse Practitioner in Downers Grove, IL

Active since October 20, 2006PECOS Enrolled
1441 BRANDING AVE STE 310, DOWNERS GROVE, IL 60515(630) 829-1038(630) 829-1040 Get Directions Write a Review

NPPES record last updated: May 5, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Jeanine Elaine Sienkowski Apn NPPES

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

JEANINE ELAINE SIENKOWSKI APN (NPI 1194807966) is an individual nurse practitioner in Downers Grove, Illinois, licensed in Illinois (277-000761) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194807966
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameJEANINE ELAINE SIENKOWSKICredential: APN
Location Address1441 BRANDING AVE STE 310Downers Grove, IL 60515-5624
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Fax(630) 829-1040
Sole ProprietorNo
Enumeration DateOctober 20, 2006
Last NPPES UpdateMay 5, 2023
NPPES CertifiedMay 5, 2023
NPI 1194807966 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
Licenses Licensed in IL · 277-000761 Licensed in IN · 71005498A
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 277-000761 (IL)
1441 BRANDING AVE STE 310, Downers Grove, IL 60515

Other Names 1

Former Name (1)Jeanine Elaine Davies

Other Identifiers 2

OtherP01489127IN · Railroad Medicare
Other71005498AIN · License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Jeanine Elaine Sienkowski Apn 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60515 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

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

Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
2 suppliers15 claims15 services$30.48 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.

Nurse Practitioner (Family)
1441 BRANDING AVE STE 310
DOWNERS GROVE, IL 60515
Nurse Practitioner
1441 BRANDING AVE STE 310
DOWNERS GROVE, IL 60515
Nurse Practitioner (Family)
1441 BRANDING AVE STE 310
DOWNERS GROVE, IL 60515
Family Medicine
1441 BRANDING AVE STE 310
DOWNERS GROVE, IL 60515
Nurse Practitioner
1441 BRANDING AVE STE 310
DOWNERS GROVE, IL 60515
Nurse Practitioner
1441 BRANDING AVE STE 310
DOWNERS GROVE, IL 60515
Nurse Practitioner (Family)
1441 BRANDING AVE STE 310
DOWNERS GROVE, IL 60515
Nurse Practitioner
1441 BRANDING AVE STE 310
DOWNERS GROVE, IL 60515

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 Jeanine Sienkowski's NPI number?

The NPI number for Jeanine Sienkowski is 1194807966. It was assigned to this individual provider in the NPPES registry on October 20, 2006. The provider is also known as Jeanine Elaine Davies.

Where is Jeanine Sienkowski located?

Jeanine Sienkowski practices at 1441 Branding Ave Ste 310, Downers Grove, IL 60515. The listed phone number is (630) 829-1038.

What is Jeanine Sienkowski's specialty?

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

Is Jeanine Sienkowski enrolled in Medicare?

Yes. Jeanine Sienkowski is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jeanine Sienkowski was last updated on May 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.