caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1174533061

William MarshallDO

General PracticeValhalla, NYI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 070029
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
34
Beneficiaries
—
Total drug cost
$583
Distinct drugs
1
Brand share
100.0%
Top prescribed drugs
Sodium Chloride/Nahco3/Kcl/Peg34 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
199
Unique beneficiaries
—
Total services
251
Distinct HCPCS
6
Medicare payment
$9K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 153 General Practice providers in NY — below median (cohort median 456).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$2K
Payment records
23
By payment type
Food and Beverage$1K
Travel and Lodging$1K
Top paying entities
Food and Beverage$1K
Travel and Lodging$1K
REFERRAL NETWORK

Where William Marshall'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). 45 inbound referrers · 112 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SAINT FRANCIS HOSPITAL AND MEDICAL CENTER185338
American Medical Response Of Connecticut Incorporated
Ambulance Service Provider · New Haven, CT
75182
Joseph Sala
Diagnostic Radiology · Middletown, CT
61144
CHRISTIE, SCHEUSTER58237
Tiffany Dube
Diagnostic Radiology · Naugatuck, CT
52163
James Feeney
General Surgery · Kingston, NY
49191
Ambulance Service Of Manchester, Llc
Ambulance Service Provider · Manchester, CT
49149
Anita Kelsey
Cardiology · Hartford, CT
43101
George Stohr
Diagnostic Radiology · Hartford, CT
43108
Thomas Freund
Internal Medicine · Glastonbury, CT
42106
Clifford Freling
Diagnostic Radiology · Hartford, CT
3781
Sean Mckeon
Diagnostic Radiology · Hartford, CT
3365
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SAINT FRANCIS HOSPITAL AND MEDICAL CENTER196356
SAINT FRANCIS HOSPITAL AND MEDICAL CENTER88225
American Medical Response Of Connecticut Incorporated
Ambulance Service Provider · New Haven, CT
83215
Robert Perez
Diagnostic Radiology · Fort Myers, FL
76204
Michael Biondi
Diagnostic Radiology · Hartford, CT
74194
Pupinder Jaswal
Diagnostic Radiology · Hartford, CT
73200
James Feeney
General Surgery · Kingston, NY
67352
Tiffany Dube
Diagnostic Radiology · Naugatuck, CT
64215
ZIEWACZ, JOHN62115
Peter Morrison
Diagnostic Radiology · Hartford, CT
60153
CHRISTIE, SCHEUSTER60183
Jonathan Getz
Diagnostic Radiology · Hartford, CT
59134
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.