AMELIA EILENE MERCER RN, AGPCNP-BC
NPI 1033818612
Nurse Practitioner in Chicago, IL
About Amelia Eilene Mercer Rn, Agpcnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMELIA EILENE MERCER RN, AGPCNP-BC (NPI 1033818612) is an individual nurse practitioner in Chicago, Illinois, licensed in Illinois (209.027294) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Amelia Eilene Mercer Rn, Agpcnp-bc 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
2Medicare enrollment records show Amelia Mercer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 548 clinicians in this Medicare group
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,169 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rush Oak Park Hospital
Acute Care Hospitals · Oak Park, ILRush University Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60607 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60607
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 Amelia Mercer's NPI number?
The NPI number for Amelia Mercer is 1033818612. It was assigned to this individual provider in the NPPES registry on March 2, 2023.
Where is Amelia Mercer located?
Amelia Mercer practices at 1520 W Harrison St, Chicago, IL 60607. The listed phone number is (832) 492-7554.
What is Amelia Mercer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Amelia Mercer enrolled in Medicare?
Yes. Amelia Mercer 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 Amelia Mercer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amelia Mercer reassigns Medicare benefits to 2 organizations: Rush Medical Group (Chicago, IL) and Rush University Medical Group (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 Amelia Mercer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amelia Mercer accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Amelia Mercer 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.
Is Amelia Mercer affiliated with any hospitals?
According to CMS data, Amelia Mercer is affiliated with Rush Oak Park Hospital and Rush University Medical Center.
When was this NPI record last updated?
The NPPES record for Amelia Mercer was last updated on October 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Amelia Eilene Mercer, RN, AGPCNP-BC · NPI 1033818612
Nurse Practitioner physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since March 2, 2023.
## Identity
- **NPI:** 1033818612 (Entity type: Individual)
- **Enumerated:** March 2, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 209.027294 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1520 W HARRISON ST, Chicago, IL 60607-3106
- **Phone:** (832) 492-7554
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Rush Medical Group (NPI 1467312850, Chicago, IL); Rush University Medical Group (NPI 1093819542, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** October 5, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1033818612) · Data from the CMS NPPES public registry.