ALYSSA RACHELLE NAGENGAST LCSW
NPI 1992214795
Social Worker - Clinical in Lake Forest, IL
About Alyssa Rachelle Nagengast Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSSA RACHELLE NAGENGAST LCSW (NPI 1992214795) is an individual clinical provider in Lake Forest, Illinois, licensed in Illinois (149022946) and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
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
Alyssa Rachelle Nagengast 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 Alyssa Nagengast reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Naperville, IL 60564
- Reassigned Medicare billing, Illinois enrollment
- 475 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 60045 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAKE FOREST, IL 60045
LAKE FOREST, IL 60045
LAKE FOREST, IL 60045
LAKE FOREST, IL 60045
LAKE FOREST, IL 60045
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 Alyssa Nagengast's NPI number?
The NPI number for Alyssa Nagengast is 1992214795. It was assigned to this individual provider in the NPPES registry on September 25, 2017. The provider is also known as Alyssa Rachelle Thermos.
Where is Alyssa Nagengast located?
Alyssa Nagengast practices at 800 N Westmoreland Rd Ste 201, Lake Forest, IL 60045. The listed phone number is (847) 388-0603.
What is Alyssa Nagengast's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Alyssa Nagengast enrolled in Medicare?
Yes. Alyssa Nagengast 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 Alyssa Nagengast's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Nagengast reassigns Medicare benefits to 2 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL) and Edgewood Clinical Services, P.C. (Naperville, 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 Alyssa Nagengast'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 Alyssa Nagengast was last updated on November 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Alyssa Rachelle Nagengast, LCSW · NPI 1992214795
Clinical provider in Lake Forest, Illinois. Individual provider, active in the CMS NPPES registry since September 25, 2017.
## Identity
- **NPI:** 1992214795 (Entity type: Individual)
- **Enumerated:** September 25, 2017
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 149022946 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 N WESTMORELAND RD STE 201, Lake Forest, IL 60045-1687
- **Phone:** (847) 388-0603 · **Fax:** (312) 694-1155
## 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): Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL); Edgewood Clinical Services, P.C. (NPI 1295914646, Naperville, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** November 1, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1992214795) · Data from the CMS NPPES public registry.