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 1124103577

William Demarco

PRACTICEFAIRVIEW HOSPITALSee all providers at this practice →
Internal MedicineGreat Barrington, MAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 220046
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
12
Beneficiaries
—
Total drug cost
$3K
Distinct drugs
1
Brand share
100.0%
Top prescribed drugs
Varicella-Zoster Ge/As01b/Pf12 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where William Demarco'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). 23 inbound referrers · 56 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BERKSHIRE MEDICAL CENTER, INC188528
County Ambulance, Inc.
Ambulance Service Provider · Pittsfield, MA
5292
Prakash Malkani
Diagnostic Radiology · Pittsfield, MA
4983
Mazen Ghani
Diagnostic Radiology · Eden Prairie, MN
4364
FINCK, DAVID4170
Eric Korenman
Diagnostic Radiology · Pittsfield, MA
4176
Lisa Massie
Cardiology · New Britain, CT
2945
Jonathan Grenoble
Family Practice · Pittsfield, MA
2344
LEPPO, JEFFREY2236
MAKKAOUI, TALAL1921
Patti Miller
Internal Medicine · North Adams, MA
1623
Nestor Bond
Physician Assistant · Pittsfield, MA
1516
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
BERKSHIRE MEDICAL CENTER, INC216627
County Ambulance, Inc.
Ambulance Service Provider · Pittsfield, MA
65113
David Winger
Diagnostic Radiology · Eden Prairie, MN
64123
Sanjay Kedia
Diagnostic Radiology · Pittsfield, MA
60117
Curtis Brasseur
Diagnostic Radiology · Pittsfield, MA
51145
Prakash Malkani
Diagnostic Radiology · Pittsfield, MA
5094
BERKSHIRE MEDICAL CENTER, INC.4873
Lisa Loring
Diagnostic Radiology · Pittsfield, MA
4799
NPI 15483772944596
Mazen Ghani
Diagnostic Radiology · Eden Prairie, MN
3579
Thomas Grogean
Internal Medicine · Sarasota, FL
3048
LEPPO, JEFFREY2848
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.