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NICHOLAS LETH
NPI 1851259147
Social Worker - Clinical in Oak Park, IL

Active since January 14, 2026PECOS Enrolled
1028 RANDOLPH ST, OAK PARK, IL 60302(708) 263-5279 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Nicholas Leth NPPES

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

NICHOLAS LETH (NPI 1851259147) is an individual clinical provider in Oak Park, Illinois, licensed in Illinois (149.029100) and active in the NPI registry since January 2026. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851259147
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameNICHOLAS LETH
Location Address1028 RANDOLPH STOak Park, IL 60302-5514
Mailing Address1028 Randolph StOak Park, IL 60302-5514 · (708) 263-5279
Phone(708) 263-5279
Sole ProprietorYes
Enumeration DateJanuary 14, 2026
NPPES CertifiedJanuary 14, 2026
✔ NPI 1851259147 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 · 149.029100
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.
1028 RANDOLPH ST, Oak Park, IL 60302
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicholas Leth 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 60302 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.

NICKKNACKS WELLNESS SERVICES
Social Worker (Clinical)
1028 RANDOLPH ST
OAK PARK, IL 60302
Cook County (708) 263-5279

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 Nicholas Leth's NPI number?

The NPI number for Nicholas Leth is 1851259147. It was assigned to this individual provider in the NPPES registry on January 14, 2026.

Where is Nicholas Leth located?

Nicholas Leth practices at 1028 Randolph St, Oak Park, IL 60302. The listed phone number is (708) 263-5279.

What is Nicholas Leth's specialty?

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

Is Nicholas Leth enrolled in Medicare?

Yes. Nicholas Leth is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nicholas Leth was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.