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NIRAV P CHUDGAR MDSC
NPI 1639132590
Internal Medicine in Calumet City, IL

Active since April 10, 2006CLIA 14D0993879 · Waiver
1600 167TH ST STE 200, CALUMET CITY, IL 60409(708) 832-0244(708) 832-1008 Get Directions Write a Review

NPPES record last updated: December 19, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Nirav P Chudgar Mdsc NPPES

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

NIRAV P CHUDGAR MDSC (NPI 1639132590) is a healthcare organization registered as an internal medicine in Calumet City, Illinois and active in the NPI registry since April 2006. The organization holds a CLIA Waiver certificate valid through November 27, 2027 and lists Nirav Pritambhai Chudgar, Director Of Corporation, as its authorized official.

NPPES Registry Identity

NPI1639132590
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameNIRAV P CHUDGAR MDSC
Location Address1600 167TH ST STE 200Calumet City, IL 60409-5445
Mailing Address1600 167th St Ste 200Calumet City, IL 60409-5445 · (708) 832-0244 · Fax (708) 832-1008
Phone(708) 832-0244
Fax(708) 832-1008
Organization SubpartNo
Authorized OfficialNirav Pritambhai ChudgarDirector Of Corporation · (708) 832-0244
Enumeration DateApril 10, 2006
Last NPPES UpdateDecember 19, 2021
NPPES CertifiedDecember 19, 2021
✔ NPI 1639132590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in IL · 036096495✔ Licensed in IN · 01047212A
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1600 167TH ST STE 200, Calumet City, IL 60409
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Other Identifiers 1

Medicaid036096495IL

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nirav P Chudgar Mdsc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Nirav P Chudgar Mdsc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Nirav Chudgar, MD
Internal Medicine
NPI 1780763805
1600 167TH ST STE 200
Calumet City, IL 60409
(708) 832-0244
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D0993879

Nirav P Chudgar MD Sc · Calumet City, IL
Active · expires Nov 27, 2027
CLIA Number14D0993879
Laboratory TypePhysician Office
Certificate Effective DateNovember 28, 2025
Certificate Expiration DateNovember 27, 2027
Laboratory DirectorNirav P. Chudgar
Laboratory Phone(708) 832-0244
Laboratory LocationNirav P Chudgar MD Sc1600 167th St, Ste 200, Calumet City, IL 60409
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Nirav P Chudgar Mdsc's NPI number?

The NPI number for Nirav P Chudgar Mdsc is 1639132590. It was assigned to this organization in the NPPES registry on April 10, 2006.

Where is Nirav P Chudgar Mdsc located?

Nirav P Chudgar Mdsc is located at 1600 167th St Ste 200, Calumet City, IL 60409. The listed phone number is (708) 832-0244.

What is Nirav P Chudgar Mdsc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nirav P Chudgar Mdsc enrolled in Medicare?

Yes. Nirav P Chudgar Mdsc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Nirav P Chudgar Mdsc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Nirav P Chudgar Mdsc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Nirav P Chudgar Mdsc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D0993879) is associated with this NPI, valid through November 27, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Nirav P Chudgar Mdsc was last updated on December 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.