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DR. TAHIR NIAZI MD
NPI 1639164817
Pediatrics in Chicago, IL

Active since September 14, 2005PECOS Enrolled
4700 S CALIFORNIA AVE, CHICAGO, IL 60632(773) 584-6200(855) 259-1758 Get Directions Write a Review

NPPES record last updated: November 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Tahir Niazi Md NPPES

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

DR. TAHIR NIAZI MD (NPI 1639164817) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (036087267) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639164817
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. TAHIR NIAZICredential: MD
Location Address4700 S CALIFORNIA AVEChicago, IL 60632-2016
Mailing Address4700 S California AveChicago, IL 60632-2016 · (773) 584-6200 · Fax (855) 259-1758
Phone(773) 584-6200
Fax(855) 259-1758
Sole ProprietorNo
Enumeration DateSeptember 14, 2005
Last NPPES UpdateNovember 17, 2025
NPPES CertifiedNovember 17, 2025
✔ NPI 1639164817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036087267
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
4700 S CALIFORNIA AVE, Chicago, IL 60632
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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)

Dr. Tahir Niazi Md 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 Reassignment

Medicare enrollment records show Tahir Niazi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Access Community Health Network
0.6 mi
Federally Qualified Health Center (FQHC)
3229-43 W 47TH PL
Chicago, IL 60632
  • Reassigned Medicare billing, Illinois enrollment
  • 413 clinicians in this Medicare group
NPI 1598844268 (773) 254-6044

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 60632 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
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.

SURECARE PHARMACY 2 INC
Pharmacy (Community/Retail Pharmacy)
4700 S CALIFORNIA AVE
CHICAGO, IL 60632
Cook County (732) 910-2949
MARIA LUISA DE LOS SANTOS LCPC, CADC
Counselor (Professional)
4700 S CALIFORNIA AVE
CHICAGO, IL 60632
Cook County (773) 584-6200
DR. ODETTE ZERO MD
Family Medicine
4700 S CALIFORNIA AVE
CHICAGO, IL 60632
Cook County (773) 584-6200
MARGARET NICKELS M.D.
Pediatrics
4700 S CALIFORNIA AVE
CHICAGO, IL 60632
Cook County (773) 584-6200
CINDY DURAN MSW
Social Worker (Clinical)
4700 S CALIFORNIA AVE
CHICAGO, IL 60632
Cook County (773) 584-6200
DR. KAREN JOHANNA ESCOBAR ALMEIDA M.D
Psychiatry & Neurology (Psychiatry)
4700 S CALIFORNIA AVE
CHICAGO, IL 60632
Cook County (773) 584-6200
BAILEY MARIE JENKINS
Nurse Practitioner
4700 S CALIFORNIA AVE
CHICAGO, IL 60632
Cook County (773) 584-6200
ELSA ANGELICA GARCIA MD
Family Medicine
4700 S CALIFORNIA AVE
CHICAGO, IL 60632
Cook County (312) 942-7083

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 Tahir Niazi's NPI number?

The NPI number for Tahir Niazi is 1639164817. It was assigned to this individual provider in the NPPES registry on September 14, 2005.

Where is Tahir Niazi located?

Tahir Niazi practices at 4700 S California Ave, Chicago, IL 60632. The listed phone number is (773) 584-6200.

What is Tahir Niazi's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Tahir Niazi enrolled in Medicare?

Yes. Tahir Niazi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tahir Niazi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tahir Niazi reassigns Medicare benefits to Access Community Health Network (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 Tahir Niazi'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 Tahir Niazi was last updated on November 17, 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.