MRS. SARAH GUNDERSON
NPI 1245828789
Counselor - Mental Health in Lake Forest, IL
About Mrs. Sarah Gunderson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SARAH GUNDERSON (NPI 1245828789) is an individual mental health provider in Lake Forest, Illinois, licensed in Illinois (180.015527) and active in the NPI registry since January 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
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
Mrs. Sarah Gunderson 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 Sarah Gunderson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lake Bluff, IL 60044
- Reassigned Medicare billing, Illinois enrollment
- 12 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.
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 Sarah Gunderson's NPI number?
The NPI number for Sarah Gunderson is 1245828789. It was assigned to this individual provider in the NPPES registry on January 8, 2021.
Where is Sarah Gunderson located?
Sarah Gunderson practices at 600 Burton Dr, Lake Forest, IL 60045. The listed phone number is (847) 668-1643.
What is Sarah Gunderson's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Sarah Gunderson enrolled in Medicare?
Yes. Sarah Gunderson 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 Sarah Gunderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Gunderson reassigns Medicare benefits to Chicago Integrative Center For Psychology LLC (Lake Bluff, 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 Sarah Gunderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Gunderson accept?
Health plans from Oscar Health and UnitedHealthcare list Sarah Gunderson 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 Sarah Gunderson was last updated on October 2, 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.
# Mrs. Sarah Gunderson · NPI 1245828789
Mental Health provider in Lake Forest, Illinois. Individual provider, active in the CMS NPPES registry since January 8, 2021.
## Identity
- **NPI:** 1245828789 (Entity type: Individual)
- **Enumerated:** January 8, 2021
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** 180.015527 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 600 BURTON DR, Lake Forest, IL 60045-1604
- **Phone:** (847) 668-1643
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Chicago Integrative Center For Psychology LLC (NPI 1649785486, Lake Bluff, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** October 2, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1245828789) · Data from the CMS NPPES public registry.