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

JAMES CHAMERLIK LCSW
NPI 1083381008
Social Worker - Clinical in Chicago, IL

Active since August 26, 2021PECOS Enrolled
155 N MICHIGAN AVE STE 707, CHICAGO, IL 60601(312) 819-7381 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About James Chamerlik Lcsw NPPES

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

JAMES CHAMERLIK LCSW (NPI 1083381008) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149029175) and active in the NPI registry since August 2021. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1083381008
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameJAMES CHAMERLIKCredential: LCSW
Location Address155 N MICHIGAN AVE STE 707Chicago, IL 60601-7706
Mailing Address155 N Michigan Ave Ste 707Chicago, IL 60601-7706 · (312) 819-7381
Phone(312) 819-7381
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateAugust 26, 2021
Last NPPES UpdateOctober 22, 2026
NPPES CertifiedOctober 22, 2026
✔ NPI 1083381008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in IL · 149029175
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.
Also ListedSocial WorkerTaxonomy 104100000X
155 N MICHIGAN AVE STE 707, Chicago, IL 60601
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Secondary Practice Locations 3

Location 11203 Shawford WayElgin, IL 60120-5054 · Phone (847) 849-7005
Location 21811 W North Ave Ste 402Chicago, IL 60622-0204 · Phone (312) 819-7381
Location 33047 N Lincoln AveChicago, IL 60657-4999 · Phone (312) 819-7381

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

PECOS PAC ID2961997390
PECOS Enrollment IDI20251223000713
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 James Chamerlik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sage Therapy Chicago, PLLC
Same address
Professional
155 N MICHIGAN AVE STE 707
Chicago, IL 60601
  • Reassigned Medicare billing, Illinois enrollment
  • 39 clinicians in this Medicare group
NPI 1376154302 (312) 819-7381

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.

BENEDETTA ROSSI LCPC
Counselor (Mental Health)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 600-8310
HALLIE FOSTER
Social Worker (Clinical)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381
NAJAH BUCK
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381
ALMA NAVARRO LPC
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381
ALYSSA NICOLE MEIXELSPERGER LCSW, CADC
Social Worker (Clinical)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 870-0010
MARIBETH GOMEZ GERMINO LCPC
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381
JESSICA M MARCANO ALMFT
Marriage & Family Therapist
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381
EMILY A MOORE CT
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381

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 James Chamerlik's NPI number?

The NPI number for James Chamerlik is 1083381008. It was assigned to this individual provider in the NPPES registry on August 26, 2021.

Where is James Chamerlik located?

James Chamerlik practices at 155 N Michigan Ave Ste 707, Chicago, IL 60601. The listed phone number is (312) 819-7381.

What is James Chamerlik's specialty?

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

Is James Chamerlik enrolled in Medicare?

Yes. James Chamerlik is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for James Chamerlik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Chamerlik 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 James Chamerlik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Chamerlik accept?

Health plans from Ambetter Health list James Chamerlik 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 James Chamerlik was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.