What is Jeffrey Zwicker's specialty?

Jeffrey Zwicker (NPI 1851330849) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in New York, NY.

Where does Jeffrey Zwicker practice?

Jeffrey Zwicker practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1851330849.

How much does Medicare pay Jeffrey Zwicker?

Jeffrey Zwicker (NPI 1851330849) received approximately $25K in total Medicare Part B payments, serving 139 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1851330849

Jeffrey ZwickerM.D.

Hematology-OncologyNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

164

Unique beneficiaries

—

Total services

192

Distinct HCPCS

Medicare payment

$22K

Peer benchmark

Total Medicare services vs. 628 Hematology-Oncology providers in NY — bottom quintile (cohort median 883).

PRESCRIBING · PART D · 2024

Total Rx claims

107

Beneficiaries

—

Total drug cost

$99K

Distinct drugs

Brand share

83.2%

Top prescribed drugs

Apixaban67 claims

Rivaroxaban22 claims

Enoxaparin Sodium18 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$20K

Payment records

By payment type

Consulting Fee$20K

Travel and Lodging$270

Top paying entities

Consulting Fee$20K

Travel and Lodging$270

REFERRAL NETWORK

Where Jeffrey Zwicker'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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Ronald Eisenberg Diagnostic Radiology · Boston, MA	26	102
Paul Spirn Diagnostic Radiology · Boston, MA	23	64
Jon Arnason Hematology-Oncology · New York, NY	22	159
Alexander Bankier Diagnostic Radiology · Worcester, MA	20	75
Ayad Hamdan Hematology-Oncology · La Jolla, CA	18	82
Rajan Dewar Pathology · Flint, MI	18	133
Salvia Jain Hematology-Oncology · Boston, MA	18	81
LUPTAKOVA, KATARINA	17	63
FRAENKEL, PAULA	15	55
James Ducksoon Chang Cardiology · Boston, MA	15	47
Rafael Rojas Diagnostic Radiology · New Orleans, LA	14	41
LEVINE, JAMES	12	66

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