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 1134102049

William SimonMD

Internal MedicineOceanside, NYI
CROSS-REFERENCE

Related data on other Healthparse brands

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

Hospital & Facility Affiliations (3)

CCN 337246
Home health agency
CCN 337290
Home health agency
CCN 330198
Hospital
REFERRAL NETWORK

Where William Simon'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 · 15 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Melville, NY
35138
Sunrise Medical Laboratories, Inc.
Clinical Laboratory · Hicksville, NY
2764
Raul Mendoza
Cardiology · Lawrence, NY
1627
Jerome Zisfein
Interventional Cardiology · Rockville Centre, NY
1231
Eric Thall
Urology · Rockville Centre, NY
1131
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SHIEL HOLDINGS LLC197505
Sunrise Medical Laboratories, Inc.
Clinical Laboratory · Hicksville, NY
72135
SOUTH NASSAU COMMUNITIES HOSPITAL59195
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Melville, NY
41179
Steven Lomasky
Endocrinology · Rockville Centre, NY
2149
Steven Seiden
Internal Medicine · Rockville Center, NY
1840
RADIOLOGICAL ASSOCIATES OF LONG ISLAND, P.C.1523
Richard Horowitz
Cardiology · Rockville Centre, NY
1421
Timothy Chen
Cardiology · Rockville Centre, NY
1326
Raul Mendoza
Cardiology · Lawrence, NY
1324
Eric Thall
Urology · Rockville Centre, NY
1226
FRISCIA, MARY1216
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
6,602
Unique beneficiaries
—
Total services
10,667
Distinct HCPCS
27
Medicare payment
$323K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 7,864 Internal Medicine providers in NY — top quintile (cohort median 552).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
4,290
Beneficiaries
—
Total drug cost
$438K
Distinct drugs
66
Brand share
18.3%
Top prescribed drugs
Atorvastatin Calcium464 claims
Amlodipine Besylate313 claims
Valsartan281 claims
Metformin Hcl215 claims
Levothyroxine Sodium203 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$649
Payment records
34
By payment type
Food and Beverage$649