MRS. ALISON MAUREEN LENNHARDT FNP-C
NPI 1366866501
Nurse Practitioner - Family in Naperville, IL
About Mrs. Alison Maureen Lennhardt Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. ALISON MAUREEN LENNHARDT FNP-C (NPI 1366866501) is an individual family provider in Naperville, Illinois, licensed in Illinois (209011143) and active in the NPI registry since February 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Naperville, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 (PECOS)
Mrs. Alison Maureen Lennhardt Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alison Lennhardt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Glenview, IL 60026
- Reassigned Medicare billing, Illinois enrollment
- 28 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60540 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NAPERVILLE, IL 60540
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 Alison Lennhardt's NPI number?
The NPI number for Alison Lennhardt is 1366866501. It was assigned to this individual provider in the NPPES registry on February 7, 2014.
Where is Alison Lennhardt located?
Alison Lennhardt practices at 1331 W 75th St Ste 201, Naperville, IL 60540. The listed phone number is (630) 420-1500.
What is Alison Lennhardt's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Alison Lennhardt enrolled in Medicare?
Yes. Alison Lennhardt is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alison Lennhardt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Lennhardt reassigns Medicare benefits to Infusion Express Of Illinois, LLC (Glenview, 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 Alison Lennhardt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alison Lennhardt accept?
Health plans from Oscar Health, Oscar Health Insurance, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Alison Lennhardt 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 Alison Lennhardt was last updated on February 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Mrs. Alison Maureen Lennhardt, FNP-C · NPI 1366866501
Family physician in Naperville, Illinois. Individual provider, active in the CMS NPPES registry since February 7, 2014.
## Identity
- **NPI:** 1366866501 (Entity type: Individual)
- **Enumerated:** February 7, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209011143 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1331 W 75TH ST STE 201, Naperville, IL 60540-9311
- **Phone:** (630) 420-1500
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Infusion Express Of Illinois, LLC (NPI 1073987582, Glenview, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** February 25, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1366866501) · Data from the CMS NPPES public registry.