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PONNAMBALAM S SUNDRAM MD
NPI 1437137478
Internal Medicine - Cardiovascular Disease in Harvey, IL

Active since January 09, 2006PECOS Enrolled
71 W 156TH ST, STE 305, HARVEY, IL 60426(708) 331-2200(708) 331-8015 Get Directions Write a Review

NPPES record last updated: February 21, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ponnambalam S Sundram Md NPPES

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

PONNAMBALAM S SUNDRAM MD (NPI 1437137478) is an individual cardiovascular disease provider in Harvey, Illinois, licensed in Illinois (036070565) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437137478
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NamePONNAMBALAM S SUNDRAMCredential: MD
Location Address71 W 156TH ST, STE 305Harvey, IL 60426-4260
Mailing Address71 W 156th St, Ste 305Harvey, IL 60426-4260 · (708) 331-2200 · Fax (708) 331-8015
Phone(708) 331-2200
Fax(708) 331-8015
Sole ProprietorNo
Enumeration DateJanuary 9, 2006
Last NPPES UpdateFebruary 21, 2011
✔ NPI 1437137478 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 · 036070565
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.
71 W 156TH ST, Harvey, IL 60426
Open in Google Maps ↗

Other Identifiers 4

Other060058942IL · Palmetto Rr Medicare
Medicare ID-Type UnspecifiedPINL77266IL
Medicare UPIND89699
Medicaid0360705655IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ponnambalam S Sundram 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 Ponnambalam Sundram reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advanced Heart Group Sc
Same address
Cardiovascular Disease
71 W 156TH ST, SUITE 305
Harvey, IL 60426
  • Reassigned Medicare billing, Illinois enrollment
  • 10 clinicians in this Medicare group
NPI 1518945989 (708) 331-2200

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 60426 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
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.

INDIANA RADIOLOGY IMAGING CONSULTANTS
Radiology (Diagnostic Radiology)
71 W 156TH ST, SUITE 110
HARVEY, IL 60426
Cook County (708) 915-5656
PRAMOD K ANAND, M.D. LTD
Internal Medicine
71 W 156TH ST, SUITE 212
HARVEY, IL 60426
Cook County (708) 339-8044
FIELD SURGICAL ASSOCIATES LTD.
Surgery
71 W 156TH ST, SUITE 309
HARVEY, IL 60426
Cook County (708) 331-1122
RAJ CHINNAPPAN
Radiology (Diagnostic Radiology)
71 W 156TH ST, SUITE 110
HARVEY, IL 60426
Cook County (713) 927-0733
ANGEL CASTANER MD
Internal Medicine (Interventional Cardiology)
71 W 156TH ST, STE 305
HARVEY, IL 60426
Cook County (708) 331-2200
DAVID H ORTH MD
Ophthalmology (Retina Specialist)
71 W 156TH ST, SUITE 400
HARVEY, IL 60426
Cook County (708) 596-8710
DR. MICHAEL SEAN ROMBERG MD
Surgery
71 W 156TH ST, SUITE 311
HARVEY, IL 60426
Cook County (708) 476-8205
DR. RENAUD DUVAL M.D., F.R.C.S.C.
Ophthalmology
71 W 156TH ST, SUITE #400
HARVEY, IL 60426
Cook County (708) 596-8710

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 Ponnambalam Sundram's NPI number?

The NPI number for Ponnambalam Sundram is 1437137478. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Where is Ponnambalam Sundram located?

Ponnambalam Sundram practices at 71 W 156th St Ste 305, Harvey, IL 60426. The listed phone number is (708) 331-2200.

What is Ponnambalam Sundram's specialty?

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

Is Ponnambalam Sundram enrolled in Medicare?

Yes. Ponnambalam Sundram is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ponnambalam Sundram's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ponnambalam Sundram reassigns Medicare benefits to Advanced Heart Group Sc (Harvey, 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 Ponnambalam Sundram'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 Ponnambalam Sundram was last updated on February 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.