JESSICA B. SITTIG, LCSW, LLC
NPI 1992338602
Community/Behavioral Health in Oak Park, IL
About Jessica B. Sittig, Lcsw, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JESSICA B. SITTIG, LCSW, LLC (NPI 1992338602) is a healthcare organization registered as a community/behavioral health in Oak Park, Illinois and active in the NPI registry since February 2020. The organization lists Jessica Sittig, Psychotherapist, 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)
Jessica B. Sittig, Lcsw, 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 Jessica B. Sittig, Lcsw, 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 Jessica B. Sittig, Lcsw, LLC's NPI number?
The NPI number for Jessica B. Sittig, Lcsw, LLC is 1992338602. It was assigned to this organization in the NPPES registry on February 20, 2020.
Where is Jessica B. Sittig, Lcsw, LLC located?
Jessica B. Sittig, Lcsw, LLC is located at 1011 Lake St Ste 405, Oak Park, IL 60301. The listed phone number is (708) 289-3017.
What is Jessica B. Sittig, Lcsw, LLC's specialty?
The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.
Is Jessica B. Sittig, Lcsw, LLC enrolled in Medicare?
Yes. Jessica B. Sittig, Lcsw, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Jessica B. Sittig, Lcsw, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Jessica B. Sittig, Lcsw, 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 Jessica B. Sittig, Lcsw, LLC was last updated on February 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Jessica B. Sittig, Lcsw, Llc · NPI 1992338602
Community/Behavioral Health organization in Oak Park, Illinois. Organization record, active in the CMS NPPES registry since February 20, 2020.
## Identity
- **NPI:** 1992338602 (Entity type: Organization)
- **Enumerated:** February 20, 2020
- **Primary specialty:** Community/Behavioral Health · taxonomy 251S00000X
- **Organization subpart:** No
- **Authorized official:** Jessica Sittig, PSYCHOTHERAPIST
## Practice location
- **Address:** 1011 LAKE ST STE 405, Oak Park, IL 60301-1129
- **Phone:** (708) 289-3017
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Social Worker) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 20, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1992338602) · Data from the CMS NPPES public registry.