PROVIDER PROFILE · NPI 1982802476

Gareth LemaMD, PHD

PRACTICEMOUNT SINAI DEPARTMENT OF ORTHOPAEDIC SURGERYSee all providers at this practice →

OphthalmologyNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

227

Unique beneficiaries

—

Total services

447

Distinct HCPCS

Medicare payment

$21K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

316

Beneficiaries

—

Total drug cost

$27K

Distinct drugs

Brand share

38.0%

Top prescribed drugs

Latanoprost59 claims

Brimonidine Tartrate42 claims

Prednisolone Acetate39 claims

Nepafenac31 claims

Dorzolamide Hcl31 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$568

Payment records

By payment type

Food and Beverage$568

REFERRAL NETWORK

Where Gareth Lema'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MERCY HOSPITAL OF BUFFALO	39	109
ERIE COUNTY MEDICAL CENTER CORPORATION	22	111
Sandra Everett Ophthalmology · Cheektowaga, NY	16	57
BERTRAND CHAFFEE HOSPITAL	11	45

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