TRACIE LYNN COOK NPC
NPI 1679633853
Nurse Practitioner - Family in Downers Grove, IL
About Tracie Lynn Cook Npc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRACIE LYNN COOK NPC (NPI 1679633853) is an individual family provider in Downers Grove, Illinois, licensed in Illinois (209006165) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
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
Tracie Lynn Cook Npc 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
2Medicare enrollment records show Tracie Cook reassigns Medicare billing to 2 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
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 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 8
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Tracie Cook's NPI number?
The NPI number for Tracie Cook is 1679633853. It was assigned to this individual provider in the NPPES registry on December 11, 2006.
Where is Tracie Cook located?
Tracie Cook practices at 1441 Branding Ave Ste 310, Downers Grove, IL 60515. The listed phone number is (630) 829-1038.
What is Tracie Cook's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tracie Cook enrolled in Medicare?
Yes. Tracie Cook 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 Tracie Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tracie Cook reassigns Medicare benefits to 2 organizations: Advocate Health And Hospitals Corporation (Downers Grove, IL) and Aurora Medical Group, Inc. (Milwaukee, WI). 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 Tracie Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tracie Cook accept?
Health plans from CareSource (Common Ground Healthcare) and UnitedHealthcare list Tracie Cook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Tracie Cook was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Tracie Lynn Cook, NPC · NPI 1679633853
Family physician in Downers Grove, Illinois. Individual provider, active in the CMS NPPES registry since December 11, 2006.
## Identity
- **NPI:** 1679633853 (Entity type: Individual)
- **Enumerated:** December 11, 2006
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209006165 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1441 BRANDING AVE STE 310, Downers Grove, IL 60515-5624
- **Phone:** (630) 829-1038
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Advocate Health And Hospitals Corporation (NPI 1578670543, Downers Grove, IL); Aurora Medical Group, Inc. (NPI 1427271378, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** October 16, 2026
- **Other identifiers:** Medicaid 100191927 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1679633853) · Data from the CMS NPPES public registry.