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MR. OLIVER M WILLIAMS LCSW
NPI 1861779795
Social Worker - Clinical in Orland Park, IL

Active since November 06, 2011PECOS Enrolled
14400 JOHN HUMPHREY DR, ORLAND PARK, IL 60462(708) 226-1360(708) 226-1629 Get Directions Write a Review

NPPES record last updated: November 6, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. Oliver M Williams Lcsw NPPES

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

MR. OLIVER M WILLIAMS LCSW (NPI 1861779795) is an individual clinical provider in Orland Park, Illinois, licensed in Illinois (149.003154) and active in the NPI registry since November 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861779795
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. OLIVER M WILLIAMSCredential: LCSW
Location Address14400 JOHN HUMPHREY DROrland Park, IL 60462-2897
Mailing Address14400 John Humphrey DrOrland Park, IL 60462-2897 · (708) 226-1360 · Fax (708) 226-1629
Phone(708) 226-1360
Fax(708) 226-1629
Sole ProprietorYes
Enumeration DateNovember 6, 2011
✔ NPI 1861779795 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 · 149.003154
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.
14400 JOHN HUMPHREY DR, Orland Park, IL 60462
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Oliver M Williams Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60462 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 12

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

DR. MARYAM A ALRAZZAQ PHARMD
Pharmacist
14400 JOHN HUMPHREY DR, SUIT 110
ORLAND PARK, IL 60462
Cook County (708) 460-4930
KAY BUDICK R.N., C.N.S.
Nurse Practitioner (Psychiatric/Mental Health)
14400 JOHN HUMPHREY DR, SUITE 200
ORLAND PARK, IL 60462
Cook County (708) 675-1305
MS. ERIKA R. LUHN M.A.
Counselor (Professional)
14400 JOHN HUMPHREY DR, ST. 200
ORLAND PARK, IL 60462
Cook County (708) 226-1360
MS. COLLEEN GLEESON REESE MSW
Social Worker (Clinical)
14400 JOHN HUMPHREY DR
ORLAND PARK, IL 60462
Cook County (708) 226-1360
THE MCGRATH CLINIC
Psychiatric Unit
14400 JOHN HUMPHREY DR, SUITE 200
ORLAND PARK, IL 60462
Cook County (708) 226-1360
JESSE L MUNOZ LCSW
Counselor (Mental Health)
14400 JOHN HUMPHREY DR, SUITE 200
ORLAND PARK, IL 60462
Cook County (708) 226-1360
CONVEX PHARMACY, LLC
Pharmacy (Compounding Pharmacy)
14400 JOHN HUMPHREY DR, SUITE 110
ORLAND PARK, IL 60462
Cook County (708) 460-4930
THAO PHAM PHARM.D
Pharmacist
14400 JOHN HUMPHREY DR, SUITE 110
ORLAND PARK, IL 60462
Cook County (708) 460-4930

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 Oliver Williams's NPI number?

The NPI number for Oliver Williams is 1861779795. It was assigned to this individual provider in the NPPES registry on November 6, 2011.

Where is Oliver Williams located?

Oliver Williams practices at 14400 John Humphrey Dr, Orland Park, IL 60462. The listed phone number is (708) 226-1360.

What is Oliver Williams's specialty?

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

Is Oliver Williams enrolled in Medicare?

Yes. Oliver Williams is registered in the Medicare PECOS enrollment system.

What insurance does Oliver Williams accept?

Health plans from Providence Health Plan list Oliver Williams 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 Oliver Williams was last updated on November 6, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.