PROVIDER PROFILE · NPI 1487792354

John SierockiM.D.

Medical OncologyPrinceton, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,240

Unique beneficiaries

—

Total services

84,174

Distinct HCPCS

Medicare payment

$564K

Peer benchmark

Total Medicare services vs. 68 Medical Oncology providers in NJ — top quintile (cohort median 1,435).

PRESCRIBING · PART D · 2024

Total Rx claims

2,290

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

Brand share

19.0%

Top prescribed drugs

Levothyroxine Sodium183 claims

Pantoprazole Sodium133 claims

Letrozole88 claims

Omeprazole87 claims

Amlodipine Besylate81 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$90

Payment records

By payment type

Education$90

REFERRAL NETWORK

Where John Sierocki'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). 34 inbound referrers · 65 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	324	18,505
Robert Berger Diagnostic Radiology · Kendall Park, NJ	52	589
Barry Perlman Diagnostic Radiology · Kendall Park, NJ	46	396
Andrew Costin Cardiology · Princeton, NJ	38	935
Kerstin Rubbert-Slawek Diagnostic Radiology · Kendall Park, NJ	38	355
Peter Yi Hematology-Oncology · Princeton, NJ	37	1,779
TENENZAPF, MARK	36	298
Mary Kitazono Hammell Diagnostic Radiology · Kendall Park, NJ	35	225
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	33	321
Prashant Bakhru Diagnostic Radiology · Kendall Park, NJ	31	169
David Youmans Diagnostic Radiology · Princeton, NJ	29	143
Fred Schlesinger Diagnostic Radiology · Kendall Park, NJ	28	149

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	218	12,655
PRINCETON HEALTHCARE SYSTEM, A NEW JERSEY NON-PROFIT CORPORATION	162	3,411
Timothy Howard Diagnostic Radiology · Kendall Park, NJ	45	459
Barry Perlman Diagnostic Radiology · Kendall Park, NJ	43	287
GHAZI, JOHN	42	467
Robert Berger Diagnostic Radiology · Kendall Park, NJ	41	397
Andrew Costin Cardiology · Princeton, NJ	35	934
Peter Yi Hematology-Oncology · Princeton, NJ	34	1,574
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	33	289
TENENZAPF, MARK	33	275
Mary Kitazono Hammell Diagnostic Radiology · Kendall Park, NJ	32	184
Christopher Ananian Diagnostic Radiology · Kendall Park, NJ	32	314

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