LINDSEY LEMMEN
NPI 1720542806
Social Worker - Clinical in Chicago, IL

Active since January 23, 2019PECOS Enrolled
94.1/100
CMS Quality Rating
676 N SAINT CLAIR ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: January 6, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 6, 2024, Oct 18, 2019, Jan 23, 2019 (3 updates tracked since 2019).

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

NPI1720542806
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLINDSEY LEMMEN
Location Address676 N SAINT CLAIR STChicago, IL 60611-2927
Mailing Address676 N Saint Clair St Ste 415Chicago, IL 60611-3133 · (312) 694-9402
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateJanuary 23, 2019
Last NPPES UpdateJanuary 6, 20243 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2024
✔ NPI 1720542806 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in IL · 149.018390
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
676 N SAINT CLAIR ST, Chicago, IL 60611

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).

PECOS PAC ID7517207640
PECOS Enrollment IDI20190327001049
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Adult Mental Health
1021 WASHINGTON BLVD APT 202
Oak Park, IL 60302
  • Reassigned Medicare billing, Illinois enrollment
Multi-Specialty
DEPT 5777
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.

New Patient
$0.00 typical visit price
range $60.08 – $183.39
Typical copayment $0.00 (range $15.02 – $45.84)
Most-billed visit code NA
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

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.

Social Worker (Clinical)
676 N SAINT CLAIR ST
CHICAGO, IL 60611
Internal Medicine
676 N SAINT CLAIR ST, SUITE 2300
CHICAGO, IL 60611
Thoracic Surgery (Cardiothoracic Vascular Surgery)
676 N SAINT CLAIR ST, SUITE 650
CHICAGO, IL 60611
Dermatology
676 N SAINT CLAIR ST, SUITE 1600
CHICAGO, IL 60611
Internal Medicine (Medical Oncology)
676 N SAINT CLAIR ST, STE 2140
CHICAGO, IL 60611
Internal Medicine (Gastroenterology)
676 N SAINT CLAIR ST, SUITE 1525
CHICAGO, IL 60611
Obstetrics & Gynecology
676 N SAINT CLAIR ST, #1880
CHICAGO, IL 60611
Internal Medicine (Hematology & Oncology)
676 N SAINT CLAIR ST, SUITE 850
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.