MARY BRIEGEL LCSW
NPI 1417269077
Social Worker - Clinical in Naperville, IL
About Mary Briegel Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY BRIEGEL LCSW (NPI 1417269077) is an individual clinical provider in Naperville, Illinois, licensed in Illinois (149014227) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS and is a graduate of Other (1997).
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
Mary Briegel Lcsw 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 Mary Briegel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Naperville, IL 60563
- Reassigned Medicare billing, Illinois enrollment
- 561 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60563 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
NAPERVILLE, IL 60563
NAPERVILLE, IL 60563
NAPERVILLE, IL 60563
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 Mary Briegel's NPI number?
The NPI number for Mary Briegel is 1417269077. It was assigned to this individual provider in the NPPES registry on July 11, 2010.
Where is Mary Briegel located?
Mary Briegel practices at 1335 N Mill St Ste 100, Naperville, IL 60563. The listed phone number is (630) 646-8000.
What is Mary Briegel's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mary Briegel enrolled in Medicare?
Yes. Mary Briegel 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 Mary Briegel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Briegel reassigns Medicare benefits to 2 organizations: Edward Health Ventures (Naperville, IL) and Endeavor Health Medical Group (Evanston, 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 Mary Briegel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Briegel accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Mary Briegel 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 Mary Briegel was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mary Briegel, LCSW · NPI 1417269077
Clinical provider in Naperville, Illinois. Individual provider, active in the CMS NPPES registry since July 11, 2010.
## Identity
- **NPI:** 1417269077 (Entity type: Individual)
- **Enumerated:** July 11, 2010
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 149014227 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1335 N MILL ST STE 100, Naperville, IL 60563-2047
- **Phone:** (630) 646-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Edward Health Ventures (NPI 1245281724, Naperville, IL); Endeavor Health Medical Group (NPI 1497701882, Evanston, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** June 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1417269077) · Data from the CMS NPPES public registry.