PETERSEN PSYCHOLOGICAL SERVICES, LLC
NPI 1801354345
Clinic/Center - Mental Health (Including Community Mental Health Center) in Lincolnwood, IL
About Petersen Psychological Services, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETERSEN PSYCHOLOGICAL SERVICES, LLC (NPI 1801354345) is a healthcare organization registered as a mental health (including community mental health center) in Lincolnwood, Illinois and active in the NPI registry since March 2019. The organization lists Debra Petersen Wolff, Licensed Clinical Psychologist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Petersen Psychological Services, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Petersen Psychological Services, LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Petersen Psychological Services, LLC's NPI number?
The NPI number for Petersen Psychological Services, LLC is 1801354345. It was assigned to this organization in the NPPES registry on March 4, 2019.
Where is Petersen Psychological Services, LLC located?
Petersen Psychological Services, LLC is located at 4433 W Touhy Ave Ste 500, Lincolnwood, IL 60712. The listed phone number is (847) 863-2943.
What is Petersen Psychological Services, LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.
Is Petersen Psychological Services, LLC enrolled in Medicare?
Yes. Petersen Psychological Services, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Petersen Psychological Services, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Petersen Psychological Services, LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Petersen Psychological Services, LLC was last updated on March 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Petersen Psychological Services, Llc · NPI 1801354345
Mental Health (Including Community Mental Health Center) organization in Lincolnwood, Illinois. Organization record, active in the CMS NPPES registry since March 4, 2019.
## Identity
- **NPI:** 1801354345 (Entity type: Organization)
- **Enumerated:** March 4, 2019
- **Primary specialty:** Clinic/Center - Mental Health (Including Community Mental Health Center) · taxonomy 261QM0801X
- **Organization subpart:** No
- **Authorized official:** Debra Wolff, LICENSED CLINICAL PSYCHOLOGIST
## Practice location
- **Address:** 4433 W TOUHY AVE STE 500, Lincolnwood, IL 60712-1838
- **Phone:** (847) 863-2943
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Psychologist) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 4, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1801354345) · Data from the CMS NPPES public registry.