What is Stephen Greenberg's specialty?

Stephen Greenberg (NPI 1699878587) is a Medicare-billing provider whose primary specialty is Ophthalmology in Holbrook, NY.

Where does Stephen Greenberg practice?

Stephen Greenberg practices in Holbrook, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1699878587.

How much does Medicare pay Stephen Greenberg?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Stephen Greenberg (NPI 1699878587) are detailed on this CareTrace profile.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events