What is William Topkis's specialty?

William Topkis (NPI 1205881711) is a Medicare-billing provider whose primary specialty is Anesthesiology in Mount Kisco, NY.

Where does William Topkis practice?

William Topkis practices in Mount Kisco, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1205881711.

How much does Medicare pay William Topkis?

William Topkis (NPI 1205881711) received approximately $33K in total Medicare Part B payments, serving 304 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1205881711

William TopkisMD

AnesthesiologyMount Kisco, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

266

Unique beneficiaries

—

Total services

268

Distinct HCPCS

Medicare payment

$29K

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

No data available for this provider in 2025.

REFERRAL NETWORK

Where William Topkis'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). 5 inbound referrers · 9 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Kimberly Chu Pathology · Mount Kisco, NY	49	57
Michael Cohen Ophthalmology · Mount Kisco, NY	29	50
Douglas Roth Plastic and Reconstructive Surgery · Mount Kisco, NY	22	46
Robert Prestiano Gastroenterology · Peekskill, NY	20	41
Marvin Chinitz Gastroenterology · New Rochelle, NY	11	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Mt Kisco Surgery Center Llc Ambulatory Surgical Center · Mt Kisco, NY	83	118
Jennifer Eleazar Pathology · Mount Kisco, NY	40	40
Oren Kahn Gastroenterology · Mount Kisco, NY	33	40
Michael Cohen Ophthalmology · Mount Kisco, NY	31	113
Robert Prestiano Gastroenterology · Peekskill, NY	24	55
Quest Diagnostics Incorporated Clinical Laboratory · Clifton, NJ	24	40
Sang Lee Gastroenterology · Mount Kisco, NY	17	23
Marvin Chinitz Gastroenterology · New Rochelle, NY	16	26
NORTHERN WESTCHESTER HOSPITAL ASSOCIATION	15	18

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