STACY ERVIN APN
NPI 1003231689
Nurse Practitioner - Family in Chicago, IL
About Stacy Ervin Apn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STACY ERVIN APN (NPI 1003231689) is an individual family provider in Chicago, Illinois, licensed in Illinois (209011244) and active in the NPI registry since February 2014. He is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
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
Stacy Ervin Apn 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
4Medicare enrollment records show Stacy Ervin reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60605
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Chicago, IL 60609
- Reassigned Medicare billing, Illinois enrollment
- 132 clinicians in this Medicare group
Chicago, IL 60641
- Reassigned Medicare billing, Illinois enrollment
- 366 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rush University Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Stacy Ervin's NPI number?
The NPI number for Stacy Ervin is 1003231689. It was assigned to this individual provider in the NPPES registry on February 19, 2014.
Where is Stacy Ervin located?
Stacy Ervin practices at 401 N Michigan Ave, Chicago, IL 60611. The listed phone number is (866) 825-3227.
What is Stacy Ervin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Stacy Ervin enrolled in Medicare?
Yes. Stacy Ervin 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 Stacy Ervin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stacy Ervin reassigns Medicare benefits to 4 organizations: Rush University Medical Center (Chicago, IL), Advocate Health And Hospitals Corp. (Chicago, IL), Friend Family Health Center, Inc (Chicago, IL) and Physicians Immediate Care North Chicago LLC (Chicago, 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 Stacy Ervin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stacy Ervin affiliated with any hospitals?
According to CMS data, Stacy Ervin is affiliated with Rush University Medical Center.
When was this NPI record last updated?
The NPPES record for Stacy Ervin was last updated on February 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.