What is William Semanczuk's specialty?

William Semanczuk (NPI 1720061146) is a Medicare-billing provider whose primary specialty is Anesthesiology in Hackensack, NJ.

Where does William Semanczuk practice?

William Semanczuk practices in Hackensack, NJ, based on the location reported in the CMS Medicare provider datasets for NPI 1720061146.

How much does Medicare pay William Semanczuk?

William Semanczuk (NPI 1720061146) received approximately $37K in total Medicare Part B payments, serving 314 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1720061146

William SemanczukMD

PRACTICEHACKENSACK NON INVASIVESee all providers at this practice →

AnesthesiologyHackensack, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

244

Unique beneficiaries

—

Total services

246

Distinct HCPCS

Medicare payment

$22K

Peer benchmark

Total Medicare services vs. 1,305 Anesthesiology providers in NJ — top quintile (cohort median 200).

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 William Semanczuk'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HMH HOSPITALS CORPORATION	106	218
Amanda Defeo Physician Assistant · Paramus, NJ	17	26
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	16	31

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