ELLYN PLUNKETT
NPI 1407675960
Nurse Practitioner - Psychiatric/Mental Health in Oak Lawn, IL
About Ellyn Plunkett NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLYN PLUNKETT (NPI 1407675960) is an individual psychiatric/mental health provider in Oak Lawn, Illinois, licensed in Illinois (209030584) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and is a graduate of Other (2024).
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
Ellyn Plunkett 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 Reassignment
Medicare enrollment records show Ellyn Plunkett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Sherman Hospital
Acute Care Hospitals · Elgin, ILAdvocate Trinity Hospital
Acute Care Hospitals · Chicago, ILAdvocate Condell Medical Center
Acute Care Hospitals · Libertyville, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60453 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.
OAK LAWN, IL 60453
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 Ellyn Plunkett's NPI number?
The NPI number for Ellyn Plunkett is 1407675960. It was assigned to this individual provider in the NPPES registry on October 10, 2024.
Where is Ellyn Plunkett located?
Ellyn Plunkett practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 684-8000.
What is Ellyn Plunkett's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Ellyn Plunkett enrolled in Medicare?
Yes. Ellyn Plunkett 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 organization bills Medicare for Ellyn Plunkett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellyn Plunkett reassigns Medicare benefits to Advocate Health & Hospitals Corporation (Oak Lawn, 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 Ellyn Plunkett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ellyn Plunkett accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Ellyn Plunkett 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 Ellyn Plunkett affiliated with any hospitals?
According to CMS data, Ellyn Plunkett is affiliated with Advocate Sherman Hospital, Advocate Trinity Hospital, Advocate Condell Medical Center and Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Ellyn Plunkett was last updated on January 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Ellyn Plunkett · NPI 1407675960
Psychiatric/Mental Health physician in Oak Lawn, Illinois. Individual provider, active in the CMS NPPES registry since October 10, 2024.
## Identity
- **NPI:** 1407675960 (Entity type: Individual)
- **Enumerated:** October 10, 2024
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 209030584 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 4440 W 95TH ST, Oak Lawn, IL 60453-2600
- **Phone:** (708) 684-8000
## 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:** Advocate Health & Hospitals Corporation (NPI 1912936014, Oak Lawn, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** January 31, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1407675960) · Data from the CMS NPPES public registry.