MR. BRENDAN JAMES RIORDAN LCSW
NPI 1831258037
Social Worker - Clinical in Berwyn, IL

Active since December 06, 2006PECOS Enrolled
6918 WINDSOR AVE, PILLARS FILLMORE CENTER, BERWYN, IL 60402(708) 995-3619 Get Directions Write a Review

NPPES record last updated: August 6, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. Brendan James Riordan Lcsw NPPES

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

MR. BRENDAN JAMES RIORDAN LCSW (NPI 1831258037) is an individual clinical provider in Berwyn, Illinois, licensed in Illinois (149013471) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1831258037
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. BRENDAN JAMES RIORDANCredential: LCSW
Location Address6918 WINDSOR AVE, PILLARS FILLMORE CENTERBerwyn, IL 60402
Mailing Address5220 East AveCountryside, IL 60525-3133 · (708) 745-5277
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateDecember 6, 2006
Last NPPES UpdateAugust 6, 2024
NPPES CertifiedAugust 6, 2024
✔ NPI 1831258037 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 · 149013471
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.
6918 WINDSOR AVE, Berwyn, IL 60402

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Brendan James Riordan Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6204988132
PECOS Enrollment IDI20090723000351
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 Brendan Riordan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
6918 WINDSOR AVE.
Berwyn, IL 60402
  • Reassigned Medicare billing, Illinois enrollment
  • 13 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 60402 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)
6918 WINDSOR AVE
BERWYN, IL 60402
Counselor (Mental Health)
6918 WINDSOR AVE
BERWYN, IL 60402
Social Worker
6918 WINDSOR AVE
BERWYN, IL 60402
Social Worker (Clinical)
6918 WINDSOR AVE
BERWYN, IL 60402
Social Worker (Clinical)
6918 WINDSOR AVE
BERWYN, IL 60402
Social Worker (Clinical)
6918 WINDSOR AVE
BERWYN, IL 60402
Social Worker (Clinical)
6918 WINDSOR AVE
BERWYN, IL 60402
Student in an Organized Health Care Education/Training Program
6918 WINDSOR AVE
BERWYN, IL 60402

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 Brendan Riordan's NPI number?

The NPI number for Brendan Riordan is 1831258037. It was assigned to this individual provider in the NPPES registry on December 6, 2006.

Where is Brendan Riordan located?

Brendan Riordan practices at 6918 Windsor Ave Pillars Fillmore Center, Berwyn, IL 60402. The listed phone number is (708) 995-3619.

What is Brendan Riordan's specialty?

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

Is Brendan Riordan enrolled in Medicare?

Yes. Brendan Riordan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Brendan Riordan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brendan Riordan reassigns Medicare benefits to Pillars Community Health (Berwyn, 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 Brendan Riordan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Brendan Riordan was last updated on August 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.