What is Margreth Brontoli's specialty?

Margreth Brontoli (NPI 1235142639) is a Medicare-billing provider whose primary specialty is Ophthalmology in Long Beach, NY.

Where does Margreth Brontoli practice?

Margreth Brontoli practices in Long Beach, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1235142639.

How much does Medicare pay Margreth Brontoli?

Margreth Brontoli (NPI 1235142639) received approximately $88K in total Medicare Part B payments, serving 398 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1235142639

Margreth BrontoliMD

OphthalmologyLong Beach, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,184

Unique beneficiaries

—

Total services

1,446

Distinct HCPCS

Medicare payment

$86K

Peer benchmark

Total Medicare services vs. 1,438 Ophthalmology providers in NY — below median (cohort median 1,869).

PRESCRIBING · PART D · 2024

Total Rx claims

439

Beneficiaries

—

Total drug cost

$88K

Distinct drugs

Brand share

77.9%

Top prescribed drugs

Neomycin/Polymyxin B/Dexametha159 claims

Cyclosporine55 claims

Timolol Maleate41 claims

Latanoprost36 claims

Brimonidine Tartrate35 claims

QUALITY · MIPS · 2024

Final MIPS score

0.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-9.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Margreth Brontoli'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). 3 inbound referrers · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Robert Klein Ophthalmology · Long Beach, NY	27	50
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	23	47
Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY	11	19

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Robert Klein Ophthalmology · Long Beach, NY	30	54
SOUTH NASSAU COMMUNITIES HOSPITAL	24	50
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	23	48
Richard Goodman Internal Medicine · Lido Beach, NY	13	37
Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY	12	20
Long Island Pathology Inc Clinical Laboratory · East Setauket, NY	12	54

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