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HANNAH ELAINE LAMAR LCSW
NPI 1225495484
Social Worker - Clinical in Chicago, IL

Active since January 19, 2016PECOS EnrolledAccepts Medicare Assignment
734 W 47TH ST, CHICAGO, IL 60609(773) 572-5500 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 14, 2026, Jan 19, 2016 (2 updates tracked since 2016).

About Hannah Elaine Lamar Lcsw NPPES

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

HANNAH ELAINE LAMAR LCSW (NPI 1225495484) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149031933) and active in the NPI registry since January 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1225495484
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameHANNAH ELAINE LAMARCredential: LCSW
Location Address734 W 47TH STChicago, IL 60609-4411
Mailing Address734 W 47th StChicago, IL 60609-4411
Phone(773) 572-5500
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJanuary 19, 2016
Last NPPES UpdateJuly 14, 20262 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
✔ NPI 1225495484 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 · 149031933
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.
734 W 47TH ST, Chicago, IL 60609
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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

Hannah Elaine Lamar 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 ID1355808262
PECOS Enrollment IDI20260811003235
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 Hannah Lamar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Thresholds
Same address
Mental Health (Including Community Mental Health Center)
734 W 47TH ST
Chicago, IL 60609
  • Reassigned Medicare billing, Illinois enrollment
  • 39 clinicians in this Medicare group
NPI 1447406715 (773) 572-5500

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 60609 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 9

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

VALERIE JEAN MATTHIESEN NP
Nurse Practitioner (Adult Health)
734 W 47TH ST
CHICAGO, IL 60609
Cook County (773) 537-3960
THE THRESHOLDS
Clinic/Center (Mental Health (Including Community Mental Health Center))
734 W 47TH ST
CHICAGO, IL 60609
Cook County (773) 572-5500
REGINA MARIE SHASHA APN
Nurse Practitioner (Psychiatric/Mental Health)
734 W 47TH ST
CHICAGO, IL 60609
Cook County (773) 537-3161
GRETCHEN KEMNER
Nurse Practitioner (Psychiatric/Mental Health)
734 W 47TH ST
CHICAGO, IL 60609
Cook County (773) 388-1600
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
Clinic/Center (Federally Qualified Health Center (FQHC))
734 W 47TH ST
CHICAGO, IL 60609
Cook County (312) 996-9354
MR. MATTHEW ZEMBURSKI PMHNP-BC
Registered Nurse (Psychiatric/Mental Health)
734 W 47TH ST
CHICAGO, IL 60609
Cook County (773) 537-3960
HOWARD BROWN HEALTH CENTER
Clinic/Center (Federally Qualified Health Center (FQHC))
734 W 47TH ST
CHICAGO, IL 60609
Cook County (773) 388-1600
THE THRESHOLDS
Clinic/Center (Rehabilitation, Substance Use Disorder)
734 W 47TH ST
CHICAGO, IL 60609
Cook County (773) 572-5500

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 Hannah Lamar's NPI number?

The NPI number for Hannah Lamar is 1225495484. It was assigned to this individual provider in the NPPES registry on January 19, 2016.

Where is Hannah Lamar located?

Hannah Lamar practices at 734 W 47th St, Chicago, IL 60609. The listed phone number is (773) 572-5500.

What is Hannah Lamar's specialty?

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

Is Hannah Lamar enrolled in Medicare?

Yes. Hannah Lamar 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 Hannah Lamar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Lamar reassigns Medicare benefits to The Thresholds (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 Hannah Lamar'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 Hannah Lamar was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.