KAREN L KNOX APN
NPI 1083796270
Nurse Practitioner in Downers Grove, IL

Q: What is Karen Knox's NPI number?

The NPI number for Karen Knox is 1083796270. It was assigned to this individual provider in the NPPES registry on October 19, 2006.

Q: What is Karen Knox's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Karen Knox was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since October 19, 2006PECOS Enrolled

1441 BRANDING AVE STE 310, DOWNERS GROVE, IL 60515(630) 829-1038(630) 829-1080 Get Directions Write a Review

NPPES record last updated: August 13, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 13, 2025, May 26, 2022 (2 updates tracked since 2022).

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About Karen L Knox Apn NPPES

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

KAREN L KNOX APN (NPI 1083796270) is an individual nurse practitioner in Downers Grove, Illinois, licensed in Illinois (209-002487) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1083796270

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameKAREN L KNOXCredential: APN

Location Address1441 BRANDING AVE STE 310Downers Grove, IL 60515-5624

Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900

Phone(630) 829-1038

Fax(630) 829-1080

Sole ProprietorNo

Enumeration DateOctober 19, 2006

Last NPPES UpdateAugust 13, 20252 updates tracked since enumeration

NPPES CertifiedAugust 13, 2025

✔ NPI 1083796270 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 · 209-002487

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 209-002487 (IL)

1441 BRANDING AVE STE 310, Downers Grove, IL 60515

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Secondary Practice Location 1

Location 12545 S King DrChicago, IL 60616-2441 · Phone (312) 842-7117

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen L Knox 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.

Medicare Billing Reassignment

Medicare enrollment records show Karen Knox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health And Hospitals Corporation

1.2 mi

General Acute Care Hospital

3815 HIGHLAND AVE
Downers Grove, IL 60515

Reassigned Medicare billing, Illinois enrollment
4,870 clinicians in this Medicare group

NPI 1578670543 (630) 275-5900

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

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.

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.

THERESA DOLAN APN

Nurse Practitioner (Family)