JENNIFER MAINOR FNP
NPI 1467979260
Nurse Practitioner - Family in Chicago, IL
About Jennifer Mainor Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JENNIFER MAINOR FNP (NPI 1467979260) is an individual family provider in Chicago, Illinois, licensed in Illinois (209015853) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jennifer Mainor Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Jennifer Mainor reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60617
- Reassigned Medicare billing, Illinois enrollment
- 343 clinicians in this Medicare group
Chicago, IL 60617
- Reassigned Medicare billing, Illinois enrollment
- 6 clinicians in this Medicare group
Chicago, IL 60607
- Reassigned Medicare billing, Illinois enrollment
- 16 clinicians in this Medicare group
Willowbrook, IL 60527
- Reassigned Medicare billing, Illinois enrollment
- 410 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 60652 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Jennifer Mainor's NPI number?
The NPI number for Jennifer Mainor is 1467979260. It was assigned to this individual provider in the NPPES registry on August 23, 2017.
Where is Jennifer Mainor located?
Jennifer Mainor practices at 3348 W 87th St, Chicago, IL 60652. The listed phone number is (773) 776-4471.
What is Jennifer Mainor's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Jennifer Mainor enrolled in Medicare?
Yes. Jennifer Mainor is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jennifer Mainor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Mainor reassigns Medicare benefits to 4 organizations: Oak Street Health Physicians Group, PC (Chicago, IL), Anointed Health Partners Limited (Chicago, IL), Mcdermott Center (Chicago, IL) and Midwest Express Care 2, Inc (Willowbrook, 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 Jennifer Mainor'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 Jennifer Mainor was last updated on August 23, 2017. 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.