Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ERICA M WALKER MA, LCSW
NPI 1235858895
Social Worker - Clinical in Chicago, IL

Active since August 25, 2022PECOS Enrolled
155 N MICHIGAN AVE STE 707, CHICAGO, IL 60601(312) 585-6456 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 15, 2026, Aug 25, 2022 (2 updates tracked since 2022).

About Erica M Walker Ma, Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ERICA M WALKER MA, LCSW (NPI 1235858895) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149.023214) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1235858895
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameERICA M WALKERCredential: MA, LCSW
Location Address155 N MICHIGAN AVE STE 707Chicago, IL 60601-7706
Mailing Address5000 S Cornell Ave Apt 10dChicago, IL 60615-3034 · (773) 251-7344
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateAugust 25, 2022
Last NPPES UpdateOctober 15, 20262 updates tracked since enumeration
NPPES CertifiedOctober 15, 2026
✔ NPI 1235858895 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 · 149.023214
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.
155 N MICHIGAN AVE STE 707, Chicago, IL 60601

Secondary Practice Location 1

Location 11811 W North Ave Ste 402Chicago, IL 60622-0204 · Phone (312) 585-6456

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)

Erica M Walker Ma, Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2567967029
PECOS Enrollment IDI20250925001255
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 Reassignment

Medicare enrollment records show Erica Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Professional
155 N MICHIGAN AVE STE 201
Chicago, IL 60601
  • Reassigned Medicare billing, Illinois enrollment
  • 39 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 60601 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.

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.

Counselor (Mental Health)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Social Worker (Clinical)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Social Worker (Clinical)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Marriage & Family Therapist
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601

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 Erica Walker's NPI number?

The NPI number for Erica Walker is 1235858895. It was assigned to this individual provider in the NPPES registry on August 25, 2022.

Where is Erica Walker located?

Erica Walker practices at 155 N Michigan Ave Ste 707, Chicago, IL 60601. The listed phone number is (312) 585-6456.

What is Erica Walker's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Erica Walker enrolled in Medicare?

Yes. Erica Walker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Erica Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erica Walker reassigns Medicare benefits to Sage Therapy Chicago, PLLC (Chicago, 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 Erica Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erica Walker accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Erica Walker 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 Erica Walker was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.