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MS. MAI LYNN GRAJEWSKI LCSW
NPI 1336477645
Social Worker - Clinical in Chicago, IL

Active since November 24, 2009PECOS Enrolled
1640 W ROOSEVELT RD, CHICAGO, IL 60608(312) 413-1871 Get Directions Write a Review

NPPES record last updated: November 24, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Mai Lynn Grajewski Lcsw NPPES

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

MS. MAI LYNN GRAJEWSKI LCSW (NPI 1336477645) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149013434) and active in the NPI registry since November 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336477645
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. MAI LYNN GRAJEWSKICredential: LCSW
Location Address1640 W ROOSEVELT RDChicago, IL 60608-1316
Mailing Address1640 W Roosevelt RdChicago, IL 60608-1316 · (312) 413-1871
Phone(312) 413-1871
Sole ProprietorYes
Enumeration DateNovember 24, 2009
✔ NPI 1336477645 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 · 149013434
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.
1640 W ROOSEVELT RD, Chicago, IL 60608
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Mai Lynn Grajewski 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 60608 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.

JESSICA LYNN SCHULTZ M.A.
Counselor (Professional)
1640 W ROOSEVELT RD
CHICAGO, IL 60608
Cook County (312) 996-7457
AMANDA CHASTAIN
Behavior Analyst
1640 W ROOSEVELT RD
CHICAGO, IL 60608
Cook County (124) 131-8713
MICHEL P. HELMKE
Speech-Language Pathologist
1640 W ROOSEVELT RD, ROOM 336 (M/C 628)
CHICAGO, IL 60608
Cook County (312) 413-1563
JOAN L. INGRAM PH.D.
Psychologist (Clinical)
1640 W ROOSEVELT RD, SUITE 103
CHICAGO, IL 60608
Cook County (312) 413-1822
ALYSON MARTINEZ YANEZ
Behavior Technician
1640 W ROOSEVELT RD, DHSP 103, MC727
CHICAGO, IL 60608
Cook County (312) 413-1871
LIZABETH FERNANDEZ
Social Worker
1640 W ROOSEVELT RD, MC 727
CHICAGO, IL 60608
Cook County (312) 413-1800
PENELOPE BERNSTEIN
Specialist/Technologist, Other
1640 W ROOSEVELT RD
CHICAGO, IL 60608
Cook County (312) 413-8119
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
Early Intervention Provider Agency
1640 W ROOSEVELT RD
CHICAGO, IL 60608
Cook County (312) 996-6695

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 Mai Lynn Grajewski's NPI number?

The NPI number for Mai Lynn Grajewski is 1336477645. It was assigned to this individual provider in the NPPES registry on November 24, 2009.

Where is Mai Lynn Grajewski located?

Mai Lynn Grajewski practices at 1640 W Roosevelt Rd, Chicago, IL 60608. The listed phone number is (312) 413-1871.

What is Mai Lynn Grajewski's specialty?

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

Is Mai Lynn Grajewski enrolled in Medicare?

Yes. Mai Lynn Grajewski is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mai Lynn Grajewski was last updated on November 24, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.