PROVIDER PROFILE · NPI 1699878587

Stephen Greenberg

OphthalmologyHolbrook, NYI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$10K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Levetiracetam21 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$121

Payment records

By payment type

Food and Beverage$121

REFERRAL NETWORK

Where Stephen Greenberg'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	67	172
Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY	60	105
ENZO CLINICAL LABS, INC.	31	54
NPI 1265587000	29	81
Terrence Tam Anesthesiology · East Patchogue, NY	25	45
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	18	29
LONG ISLAND COMMUNITY HOSPITAL AT NYU LANGONE HEALTH	15	25
Northwell Health Laboratories Clinical Laboratory · New Hyde Park, NY	14	24
KALMAR, ROBERT	13	13
JOHN T. MATHER MEMORIAL HOSPITAL	11	14

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