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ANN SIDDIQUI LCSW
NPI 1891517934
Social Worker - Clinical in Palos Heights, IL

Active since October 29, 2024PECOS Enrolled
12251 S 80TH AVE, PALOS HEIGHTS, IL 60463(708) 923-4963(708) 923-4283 Get Directions Write a Review

NPPES record last updated: December 17, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ann Siddiqui Lcsw NPPES

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

ANN SIDDIQUI LCSW (NPI 1891517934) is an individual clinical provider in Palos Heights, Illinois, licensed in Illinois (149027794) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891517934
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameANN SIDDIQUICredential: LCSW
Location Address12251 S 80TH AVEPalos Heights, IL 60463-1290
Mailing Address12251 S 80th AvePalos Heights, IL 60463-1290 · (708) 923-4963 · Fax (708) 923-4283
Phone(708) 923-4963
Fax(708) 923-4283
Sole ProprietorNo
Enumeration DateOctober 29, 2024
Last NPPES UpdateDecember 17, 2024
NPPES CertifiedDecember 17, 2024
✔ NPI 1891517934 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 · 149027794
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.
12251 S 80TH AVE, Palos Heights, IL 60463
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar 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)

Ann Siddiqui 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.

Medicare Billing Reassignments

2

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

Central Dupage Physician Group
19 mi
Family Medicine
5777 DEPARTMENT
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 1,664 clinicians in this Medicare group
NPI 1033149844 (630) 933-3300
Northwestern Medical Faculty Foundation
35 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866

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 60463 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.

MATTHEW SCOTT KOMINSKY MD
Anesthesiology
12251 S 80TH AVE
PALOS HEIGHTS, IL 60463
Cook County (708) 923-4000
NOOR BADER APRN, CRNA
Nurse Anesthetist, Certified Registered
12251 S 80TH AVE
PALOS HEIGHTS, IL 60463
Cook County (708) 923-3936
DR. JOSEPH C BREMER JR. M.D.
Emergency Medicine
12251 S 80TH AVE
PALOS HEIGHTS, IL 60463
Cook County (708) 923-5800
MARIKAY T GAZDA LCSW
Social Worker (Clinical)
12251 S 80TH AVE
PALOS HEIGHTS, IL 60463
Cook County (708) 923-4941
MICHAEL J BAUTISTA M.D.
Anesthesiology
12251 S 80TH AVE, PALOS COMMUNITY HOSPITAL
PALOS HEIGHTS, IL 60463
Cook County (708) 923-5700
VALERIE SAFFAR APRN, CNP
Nurse Practitioner
12251 S 80TH AVE
PALOS HEIGHTS, IL 60463
Cook County (708) 923-5869
WINSTON DANG MD
Hospitalist
12251 S 80TH AVE
PALOS HEIGHTS, IL 60463
Cook County (708) 923-4000
EMILY MACKANIN PT
Physical Therapist
12251 S 80TH AVE
PALOS HEIGHTS, IL 60463
Cook County (708) 923-3368

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 Ann Siddiqui's NPI number?

The NPI number for Ann Siddiqui is 1891517934. It was assigned to this individual provider in the NPPES registry on October 29, 2024.

Where is Ann Siddiqui located?

Ann Siddiqui practices at 12251 S 80th Ave, Palos Heights, IL 60463. The listed phone number is (708) 923-4963.

What is Ann Siddiqui's specialty?

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

Is Ann Siddiqui enrolled in Medicare?

Yes. Ann Siddiqui is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ann Siddiqui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ann Siddiqui reassigns Medicare benefits to 2 organizations: Central Dupage Physician Group (Carol Stream, IL) and Northwestern Medical Faculty Foundation (Carol Stream, 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 Ann Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ann Siddiqui accept?

Health plans from Oscar Health list Ann Siddiqui 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 Ann Siddiqui was last updated on December 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.