What is Ruben Niesvizky's specialty?

Ruben Niesvizky (NPI 1710074885) is a Medicare-billing provider whose primary specialty is Medical Oncology in New York, NY.

Where does Ruben Niesvizky practice?

Ruben Niesvizky practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1710074885.

How much does Medicare pay Ruben Niesvizky?

Ruben Niesvizky (NPI 1710074885) received approximately $3.9M in total Medicare Part B payments, serving 229 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1710074885

Ruben NiesvizkyMD

Medical OncologyNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

945

Unique beneficiaries

—

Total services

107,096

Distinct HCPCS

Medicare payment

$3.2M

Peer benchmark

Total Medicare services vs. 506 Medical Oncology providers in NY — top quintile (cohort median 458).

PRESCRIBING · PART D · 2024

Total Rx claims

233

Beneficiaries

—

Total drug cost

$113K

Distinct drugs

Brand share

53.2%

Top prescribed drugs

Valacyclovir Hcl63 claims

Apixaban21 claims

Acyclovir18 claims

Dexamethasone17 claims

Sulfamethoxazole/Trimethoprim16 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

85.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$74K

Payment records

By payment type

Consulting Fee$53K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$15K

Honoraria$4K

Food and Beverage$870

Travel and Lodging$757

Top paying entities

Consulting Fee$53K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$15K

Honoraria$4K

Food and Beverage$870

Travel and Lodging$757

REFERRAL NETWORK

Where Ruben Niesvizky'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). 25 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MASTER, STEPHEN	94	589
Jacob Rand Pathology · New York, NY	76	675
Peter Okin Cardiology · New York, NY	64	648
Adriana Rossi Medical Oncology · New York, NY	60	1,023
ELY, SCOTT	33	270
KLIGFIELD, PAUL	31	142
Keith Hentel Diagnostic Radiology · New York, NY	28	156
Kevin Mennitt Diagnostic Radiology · New York, NY	21	132
James Gruden Diagnostic Radiology · New Orleans, LA	20	90
Parmanand Singh Cardiology · Boston, MA	19	91
Roger Bartolotta Diagnostic Radiology · New York, NY	19	85
Christopher Wladyka Diagnostic Radiology · Sacramento, CA	18	100

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