WELNOWSKI HEALTHCARE LLC
NPI 1619645983
Nurse Practitioner - Family in Naperville, IL

Active since September 01, 2021
1121 W OGDEN AVE APT 258, NAPERVILLE, IL 60563(630) 881-5680(630) 579-1774 Get Directions Write a Review

NPPES record last updated: May 12, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Welnowski Healthcare Llc NPPES

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

WELNOWSKI HEALTHCARE LLC (NPI 1619645983) is a healthcare organization registered as a family in Naperville, Illinois and active in the NPI registry since September 2021. The organization lists Nicole M Welnowski, Owner, as its authorized official.

NPPES Registry Identity

NPI1619645983
Entity TypeOrganization
Primary Taxonomy363LF0000X
Legal Business NameWELNOWSKI HEALTHCARE LLC
Location Address1121 W OGDEN AVE APT 258Naperville, IL 60563-2932
Mailing Address28873 Redfield StNiles, MI 49120-5935 · (800) 323-3007 · Fax (630) 579-1774
Fax(630) 579-1774
Organization SubpartNo
Authorized OfficialNicole M WelnowskiOwner · (630) 844-6600
Enumeration DateSeptember 1, 2021
Last NPPES UpdateMay 12, 2022
NPPES CertifiedMay 12, 2022
✔ NPI 1619645983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
1121 W OGDEN AVE APT 258, Naperville, IL 60563

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Welnowski Healthcare Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by October 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateIllinoisEnrollment IDO20211011001086Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Welnowski Healthcare LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Nurse Practitioner
NPI 1548771595
1121 W OGDEN AVE APT 258
Naperville, IL 60563
(308) 815-6806
✔ PECOSSame address

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

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 Welnowski Healthcare LLC's NPI number?

The NPI number for Welnowski Healthcare LLC is 1619645983. It was assigned to this organization in the NPPES registry on September 1, 2021.

Where is Welnowski Healthcare LLC located?

Welnowski Healthcare LLC is located at 1121 W Ogden Ave Apt 258, Naperville, IL 60563. The listed phone number is (630) 881-5680.

What is Welnowski Healthcare LLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Welnowski Healthcare LLC enrolled in Medicare?

Yes. Welnowski Healthcare LLC is registered in the Medicare PECOS enrollment system.

When is Welnowski Healthcare LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Illinois, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Welnowski Healthcare LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Welnowski Healthcare LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Welnowski Healthcare LLC was last updated on May 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.