What is Anne Grattan's specialty?

Anne Grattan (NPI 1972945913) is a Medicare-billing provider whose primary specialty is Optometry in Torrance, CA.

Where does Anne Grattan practice?

Anne Grattan practices in Torrance, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1972945913.

How much does Medicare pay Anne Grattan?

Anne Grattan (NPI 1972945913) received approximately $29K in total Medicare Part B payments, serving 174 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1972945913

Anne GrattanO.D.

OptometryTorrance, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

301

Unique beneficiaries

—

Total services

379

Distinct HCPCS

Medicare payment

$28K

Peer benchmark

Total Medicare services vs. 2,493 Optometry providers in CA — above median (cohort median 147).

PRESCRIBING · PART D · 2024

Total Rx claims

555

Beneficiaries

—

Total drug cost

$148K

Distinct drugs

Brand share

31.2%

Top prescribed drugs

Latanoprost183 claims

Brimonidine Tartrate65 claims

Timolol Maleate55 claims

Cyclosporine44 claims

Dorzolamide Hcl/Timolol Maleat32 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$497

Payment records

By payment type

Food and Beverage$497

Top paying entities

Food and Beverage$497

REFERRAL NETWORK

Where Anne Grattan'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	90	210
Michael Yoon Ophthalmology · Banning, CA	18	31
REDLANDS COMMUNITY HOSPITAL	12	16

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