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CHANDRA DIAGNOSTIC CARDIOLOGY LTD
NPI 1336162783
Internal Medicine - Cardiovascular Disease in Hazel Crest, IL

Active since July 26, 2006CLIA 14D2346002 · Waiver
3330 W 177TH ST STE 3E, HAZEL CREST, IL 60429(708) 798-4500(708) 798-4586 Get Directions Write a Review

NPPES record last updated: May 1, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 1, 2023, Dec 30, 2021 (2 updates tracked since 2021).

About Chandra Diagnostic Cardiology Ltd NPPES

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

CHANDRA DIAGNOSTIC CARDIOLOGY LTD (NPI 1336162783) is a healthcare organization registered as a cardiovascular disease in Hazel Crest, Illinois and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through June 22, 2028, maintains 2 additional practice locations, and lists Azazuddin Ahmed, Owner, as its authorized official.

NPPES Registry Identity

NPI1336162783
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameCHANDRA DIAGNOSTIC CARDIOLOGY LTD
Location Address3330 W 177TH ST STE 3EHazel Crest, IL 60429-2196
Mailing Address10718 S Ewing AveChicago, IL 60617-6605 · (773) 731-5456
Phone(708) 798-4500
Fax(708) 798-4586
Organization SubpartNo
Authorized OfficialAzazuddin AhmedOwner · (630) 915-9231
Enumeration DateJuly 26, 2006
Last NPPES UpdateMay 1, 20232 updates tracked since enumeration
NPPES CertifiedMay 1, 2023
✔ NPI 1336162783 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in IL · 036092076
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
3330 W 177TH ST STE 3E, Hazel Crest, IL 60429
Open in Google Maps ↗

Secondary Practice Locations 2

Location 110718 S Ewing AveChicago, IL 60617-6605 · Phone (773) 731-5456 · Fax (773) 731-6475
Location 2611 W Roosevelt RdChicago, IL 60607-4911 · Phone (773) 731-5456 · Fax (773) 731-6475

Other Identifiers 2

Medicaid036092076IL
OtherCJ8102IL · Medicare Railroad

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chandra Diagnostic Cardiology Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateIllinoisEnrollment IDO20040217000499Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Chandra Diagnostic Cardiology Ltd, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Nurullah Kitapci, MD
Internal Medicine
NPI 1922191477
3330 W 177TH ST SUITE 3E
Hazel Crest, IL 60429
(708) 798-4500
✔ PECOS✔ Accepts MedicareSame address
Tahir Abbasi, M.D.
Cardiovascular Disease (Cardiology)
NPI 1255495701
17680 KEDZIE AVE SUITE 206
Hazel Crest, IL 60429
(708) 206-1090
✔ PECOS✔ Accepts Medicare0.1 mi
Audrey Cofie
Nurse Practitioner
NPI 1477227718
8601 S PARNELL AVE
Chicago, IL 60620
(312) 752-0648
✔ PECOS✔ Accepts Medicare12 mi
Eden Brandon, MD
Internal Medicine
NPI 1063605814
10718 S EWING AVE
Chicago, IL 60617
(773) 731-5456
✔ PECOS✔ Accepts Medicare12 mi
Jayesh Madhani, MD
Internal Medicine
NPI 1457461576
2075 INDIANAPOLIS BLVD
Whiting, IN 46394
(219) 659-7000
✔ PECOS✔ Accepts Medicare13 mi
Azazuddin Ahmed, M.D.
Internal Medicine
NPI 1073732459
1901 W HARRISON ST
Chicago, IL 60612
(312) 864-6000
✔ PECOS✔ Accepts Medicare21 mi
Ajay Reddy, MD
Cardiovascular Disease (Cardiology)
NPI 1366654865
3131 LA CANADA ST STE 140
Las Vegas, NV 89169
(702) 933-9400
✔ PECOS✔ Accepts Medicare1,520 mi
Andre Dejean, MD
Family Practice
NPI 1639140700
4900 CALIFORNIA AVE
Bakersfield, CA 93309
(661) 630-7047
✔ PECOS1,743 mi

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 14D2346002

Chandra Diagnostic Cardiology, Ltd · Hazel Crest, IL
Active · expires Jun 22, 2028
CLIA Number14D2346002
Laboratory TypePhysician Office
Certificate Effective DateJune 23, 2026
Certificate Expiration DateJune 22, 2028
Laboratory DirectorBrandon Eden
Laboratory Phone(708) 798-8522
Laboratory LocationChandra Diagnostic Cardiology, Ltd3330 W 177th St - Ste 3E, Hazel Crest, IL 60429
CLIA data matches this NPI record on: Address Name
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 Chandra Diagnostic Cardiology Ltd's NPI number?

The NPI number for Chandra Diagnostic Cardiology Ltd is 1336162783. It was assigned to this organization in the NPPES registry on July 26, 2006.

Where is Chandra Diagnostic Cardiology Ltd located?

Chandra Diagnostic Cardiology Ltd is located at 3330 W 177th St Ste 3E, Hazel Crest, IL 60429. The listed phone number is (708) 798-4500.

What is Chandra Diagnostic Cardiology Ltd's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Chandra Diagnostic Cardiology Ltd enrolled in Medicare?

Yes. Chandra Diagnostic Cardiology Ltd is registered in the Medicare PECOS enrollment system.

When is Chandra Diagnostic Cardiology Ltd's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Illinois, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Chandra Diagnostic Cardiology Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 4 Medicare specialties reassign their Medicare billing to Chandra Diagnostic Cardiology Ltd. 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. The largest specialties are Internal Medicine (4), Cardiovascular Disease (Cardiology) (2) and Family Practice (1). Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Chandra Diagnostic Cardiology Ltd hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2346002) is associated with this NPI, valid through June 22, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Chandra Diagnostic Cardiology Ltd accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Chandra Diagnostic Cardiology Ltd 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 Chandra Diagnostic Cardiology Ltd was last updated on May 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.