PROVIDER PROFILE · NPI 1154381515

Marlene San NicolasO.D.

OptometryTamuning, GUI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

219

Unique beneficiaries

—

Total services

229

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

Total Medicare services vs. 5 Optometry providers in GU — near median (cohort median 186).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Marlene San Nicolas'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). 1 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Diagnostic Laboratory Services, Inc Clinical Laboratory · Aiea, HI	25	52

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Diagnostic Laboratory Services, Inc Clinical Laboratory · Aiea, HI	33	89
Marylou Dulay Internal Medicine · Panorama City, CA	12	23

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