1. Home
  2. Directory
  3. Illinois
  4. Gurnee
  5. Nurse Practitioner
  6. NPI Profile

KRISTIN ELAINE MESSINGER FNP
NPI 1699091926
Nurse Practitioner in Gurnee, IL

Active since April 12, 2010PECOS Enrolled
731 S IL ROUTE 21 STE 120, GURNEE, IL 60031(847) 855-9700(847) 855-8550 Get Directions Write a Review

NPPES record last updated: March 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 10, 2025, Feb 1, 2017, Jul 11, 2016 (3 updates tracked since 2016).

About Kristin Elaine Messinger Fnp NPPES

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

KRISTIN ELAINE MESSINGER FNP (NPI 1699091926) is an individual nurse practitioner in Gurnee, Illinois, licensed in Illinois (209008637) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699091926
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKRISTIN ELAINE MESSINGERCredential: FNP
Location Address731 S IL ROUTE 21 STE 120Gurnee, IL 60031-3803
Mailing Address731 S Il Route 21 Ste 120Gurnee, IL 60031-3803 · (847) 855-9700 · Fax (847) 855-8990
Phone(847) 855-9700
Fax(847) 855-8550
Sole ProprietorNo
Enumeration DateApril 12, 2010
Last NPPES UpdateMarch 10, 20253 updates tracked since enumeration
NPPES CertifiedMarch 10, 2025
✔ NPI 1699091926 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in IL · 209008637
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.
731 S IL ROUTE 21 STE 120, Gurnee, IL 60031
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kristin Elaine Messinger Fnp 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 Kristin Messinger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mohammad Waseem Kagzi MD Ltd
0.1 mi
Sleep Medicine
731 S IL RTE 21, 120
Gurnee, IL 60031
  • Reassigned Medicare billing, Illinois enrollment
  • 4 clinicians in this Medicare group
NPI 1750568960 (847) 855-9700

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 60031 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MOHAMMAD WASEEM KAGZI MD LTD
Internal Medicine
731 S IL ROUTE 21 STE 120
GURNEE, IL 60031
Lake County (847) 855-9700

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 Kristin Messinger's NPI number?

The NPI number for Kristin Messinger is 1699091926. It was assigned to this individual provider in the NPPES registry on April 12, 2010.

Where is Kristin Messinger located?

Kristin Messinger practices at 731 S Il Route 21 Ste 120, Gurnee, IL 60031. The listed phone number is (847) 855-9700.

What is Kristin Messinger's specialty?

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

Is Kristin Messinger enrolled in Medicare?

Yes. Kristin Messinger is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kristin Messinger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Messinger reassigns Medicare benefits to Mohammad Waseem Kagzi MD Ltd (Gurnee, IL). The 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 Kristin Messinger'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 Kristin Messinger was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.