What is Nallasivam Vivekanandan's specialty?

Nallasivam Vivekanandan (NPI 1437164225) is a Medicare-billing provider whose primary specialty is Anesthesiology in Williamsville, NY.

Where does Nallasivam Vivekanandan practice?

Nallasivam Vivekanandan practices in Williamsville, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1437164225.

How much does Medicare pay Nallasivam Vivekanandan?

Nallasivam Vivekanandan (NPI 1437164225) received approximately $17K in total Medicare Part B payments, serving 272 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1437164225

Nallasivam VivekanandanM.D.

PRACTICEMAPLE GATE ANESTHESIOLOGISTS, P.C.See all providers at this practice →

AnesthesiologyWilliamsville, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

273

Unique beneficiaries

—

Total services

381

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

Total Medicare services vs. 3,680 Anesthesiology providers in NY — top quintile (cohort median 174).

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

Total received

$45

Payment records

By payment type

Food and Beverage$45

Top paying entities

Food and Beverage$45

REFERRAL NETWORK

Where Nallasivam Vivekanandan'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). 2 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KALEIDA HEALTH	68	110
Gail Stokoe Diagnostic Radiology · Williamsville, NY	11	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
KALEIDA HEALTH	26	37
Millard Fillmore Surgery Center, Llc Ambulatory Surgical Center · Williamsville, NY	20	24
VISITING NURSING ASSOCIATION OF WESTERN NEW YORK, INC.	12	12
William Hampton Diagnostic Radiology · Williamsville, NY	11	17
Victor Regenbogen Diagnostic Radiology · Williamsville, NY	11	13

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