MR. MICHAEL R O'CONNELL LCSW
NPI 1235936725
Social Worker - Clinical in Chicago, IL

Active since March 03, 2025PECOS EnrolledAccepts Medicare Assignment
4355 N WESTERN AVE, CHICAGO, IL 60618(312) 600-0534 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 2, 2025, Mar 3, 2025 (2 updates tracked since 2025).

About Mr. Michael R O'connell Lcsw NPPES

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

MR. MICHAEL R O'CONNELL LCSW (NPI 1235936725) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149026446) and active in the NPI registry since March 2025. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1235936725
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. MICHAEL R O'CONNELLCredential: LCSW
Location Address4355 N WESTERN AVEChicago, IL 60618-1621
Mailing Address920 Juniper RdGlenview, IL 60025-3322 · (315) 489-8206
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 3, 2025
Last NPPES UpdateDecember 2, 20252 updates tracked since enumeration
NPPES CertifiedDecember 2, 2025
✔ NPI 1235936725 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 · 149026446
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.
4355 N WESTERN AVE, Chicago, IL 60618

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Michael R O'connell Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991216616
PECOS Enrollment IDI20250618002170
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 Michael O'connell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Diagnostic Radiology
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rush University Medical Group
  • 2,169 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 60618 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
4355 N WESTERN AVE
CHICAGO, IL 60618

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 Michael O'connell's NPI number?

The NPI number for Michael O'connell is 1235936725. It was assigned to this individual provider in the NPPES registry on March 3, 2025.

Where is Michael O'connell located?

Michael O'connell practices at 4355 N Western Ave, Chicago, IL 60618. The listed phone number is (312) 600-0534.

What is Michael O'connell's specialty?

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

Is Michael O'connell enrolled in Medicare?

Yes. Michael O'connell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Michael O'connell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael O'connell reassigns Medicare benefits to Rush University Medical Center (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 Michael O'connell'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 Michael O'connell was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.