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JOAN E VARGAS-HERZFELDT LCSW, CADC
NPI 1326768599
Social Worker - Clinical in Chicago, IL

Active since August 29, 2022PECOS Enrolled
4701 N BROADWAY ST STE 1, CHICAGO, IL 60640(773) 271-0657 Get Directions Write a Review

NPPES record last updated: November 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 10, 2025, Sep 4, 2025, Mar 14, 2023 and 1 more (4 updates tracked since 2022).

About Joan E Vargas-herzfeldt Lcsw, Cadc NPPES

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

JOAN E VARGAS-HERZFELDT LCSW, CADC (NPI 1326768599) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149025275) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1326768599
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameJOAN E VARGAS-HERZFELDTCredential: LCSW, CADC
Location Address4701 N BROADWAY ST STE 1Chicago, IL 60640-4908
Mailing Address4071 N Broadway St Ste 1Chicago, IL 60613-2117 · (773) 217-0657
Phone(773) 271-0657
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateAugust 29, 2022
Last NPPES UpdateNovember 10, 20254 updates tracked since enumeration
NPPES CertifiedNovember 10, 2025
✔ NPI 1326768599 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 · 149025275
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.
4701 N BROADWAY ST STE 1, Chicago, IL 60640
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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 (PECOS)

Joan E Vargas-herzfeldt Lcsw, Cadc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7517334428
PECOS Enrollment IDI20221107001698
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 Reassignments

2

Medicare enrollment records show Joan Vargas-herzfeldt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lu Rocha Counseling Services PC
0.8 mi
Clinical
4071 N BROADWAY ST STE 1
Chicago, IL 60613
  • Reassigned Medicare billing, Illinois enrollment
  • 4 clinicians in this Medicare group
NPI 1467938712 (773) 203-1328
Hamdard Health Alliance
2.2 mi
Federally Qualified Health Center (FQHC)
1542 W DEVON AVE
Chicago, IL 60660
  • Reassigned Medicare billing, Illinois enrollment
  • 20 clinicians in this Medicare group
NPI 1356772834 (773) 465-4600

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 60640 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.

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 Joan Vargas-herzfeldt's NPI number?

The NPI number for Joan Vargas-herzfeldt is 1326768599. It was assigned to this individual provider in the NPPES registry on August 29, 2022.

Where is Joan Vargas-herzfeldt located?

Joan Vargas-herzfeldt practices at 4701 N Broadway St Ste 1, Chicago, IL 60640. The listed phone number is (773) 271-0657.

What is Joan Vargas-herzfeldt's specialty?

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

Is Joan Vargas-herzfeldt enrolled in Medicare?

Yes. Joan Vargas-herzfeldt is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joan Vargas-herzfeldt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joan Vargas-herzfeldt reassigns Medicare benefits to 2 organizations: Lu Rocha Counseling Services PC (Chicago, IL) and Hamdard Health Alliance (Chicago, IL). Each 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 Joan Vargas-herzfeldt'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 Joan Vargas-herzfeldt was last updated on November 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.