What is Narayan Sundaram's specialty?

Narayan Sundaram (NPI 1598940090) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Chicago, IL.

Where does Narayan Sundaram practice?

Narayan Sundaram practices in Chicago, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1598940090.

How much does Medicare pay Narayan Sundaram?

Narayan Sundaram (NPI 1598940090) received approximately $68K in total Medicare Part B payments, serving 2,094 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598940090

Narayan Sundaram

PRACTICEMEDCENTRIX INCSee all providers at this practice →

Diagnostic RadiologyChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,569

Unique beneficiaries

—

Total services

2,908

Distinct HCPCS

Medicare payment

$57K

Peer benchmark

Total Medicare services vs. 1,350 Diagnostic Radiology providers in IL — above median (cohort median 3,137).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Narayan Sundaram's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Nimesh Patel Diagnostic Radiology · Naperville, IL	77	107
PARKINSON, ROBERT	53	76
Rakhshanda Neelam Medical Oncology · Chicago, IL	49	133
Kenny Yoo Interventional Radiology · Zion, IL	44	69
Evan Pisick Medical Oncology · Zion, IL	42	123
Elham Abboud Pathology · Chicago, IL	30	44
Kaoutar Tlemcani Hematology-Oncology · Chicago, IL	28	91
Cassundra Shukla Nurse Practitioner · Duarte, CA	23	41
Ethel Herskovic Diagnostic Radiology · Eden Prairie, MN	23	33
NPI 1023089893	22	56
Isaac Thomas Cardiology · Gurnee, IL	22	34
Ashwin Sheelvanth Hematology-Oncology · Zion, IL	22	44

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events