KATHRYN HEYDUCK APN
NPI 1700335668
Nurse Practitioner - Primary Care in Downers Grove, IL
About Kathryn Heyduck Apn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYN HEYDUCK APN (NPI 1700335668) is an individual primary care provider in Downers Grove, Illinois, licensed in Illinois (209014852) and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
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
Kathryn Heyduck Apn 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.
Medicare Billing Reassignments
3Medicare enrollment records show Kathryn Heyduck reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Chicago, IL 60616
- Reassigned Medicare billing, Illinois enrollment
- 34 clinicians in this Medicare group
Rochelle, IL 61068
- Reassigned Medicare billing, Illinois enrollment
- 11 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 2
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.
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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
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 Kathryn Heyduck's NPI number?
The NPI number for Kathryn Heyduck is 1700335668. It was assigned to this individual provider in the NPPES registry on October 3, 2016.
Where is Kathryn Heyduck located?
Kathryn Heyduck practices at 1441 Branding Ave Suite 310, Downers Grove, IL 60515. The listed phone number is (630) 963-3200.
What is Kathryn Heyduck's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Kathryn Heyduck enrolled in Medicare?
Yes. Kathryn Heyduck 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 Kathryn Heyduck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Heyduck reassigns Medicare benefits to 3 organizations: Advocate Health And Hospitals Corporation (Downers Grove, IL), Unity Hospice Of Chicagoland LLC (Chicago, IL) and Unity Hospice Of Western Illinois, LLC (Rochelle, IL). 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 Kathryn Heyduck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Kathryn Heyduck was last updated on October 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Kathryn Heyduck, APN · NPI 1700335668
Primary Care physician in Downers Grove, Illinois. Individual provider, active in the CMS NPPES registry since October 3, 2016.
## Identity
- **NPI:** 1700335668 (Entity type: Individual)
- **Enumerated:** October 3, 2016
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 209014852 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1441 BRANDING AVE, SUITE 310, Downers Grove, IL 60515-1160
- **Phone:** (630) 963-3200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Advocate Health And Hospitals Corporation (NPI 1578670543, Downers Grove, IL); Unity Hospice Of Chicagoland LLC (NPI 1598844474, Chicago, IL); Unity Hospice Of Western Illinois, LLC (NPI 1740369628, Rochelle, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 27, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1700335668) · Data from the CMS NPPES public registry.