LINDSEY LEMMEN
NPI 1720542806
Social Worker - Clinical in Chicago, IL
About Lindsey Lemmen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LINDSEY LEMMEN (NPI 1720542806) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149.018390) and active in the NPI registry since January 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
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 (PECOS)
Lindsey Lemmen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Lindsey Lemmen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Park, IL 60302
- Reassigned Medicare billing, Illinois enrollment
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 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.
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Lindsey Lemmen's NPI number?
The NPI number for Lindsey Lemmen is 1720542806. It was assigned to this individual provider in the NPPES registry on January 23, 2019.
Where is Lindsey Lemmen located?
Lindsey Lemmen practices at 676 N Saint Clair St, Chicago, IL 60611. The listed phone number is (312) 926-2000.
What is Lindsey Lemmen's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Lindsey Lemmen enrolled in Medicare?
Yes. Lindsey Lemmen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Lindsey Lemmen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lindsey Lemmen reassigns Medicare benefits to 2 organizations: Grove Counseling Services PLLC (Oak Park, IL) and Northwestern Medical Faculty Foundation (Carol Stream, 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 Lindsey Lemmen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lindsey Lemmen accept?
Health plans from Oscar Health list Lindsey Lemmen 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 Lindsey Lemmen was last updated on January 6, 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.