What is Mariacristina Zamora's specialty?

Mariacristina Zamora (NPI 1871935080) is a Medicare-billing provider whose primary specialty is Optometry in Los Angeles, CA.

Where does Mariacristina Zamora practice?

Mariacristina Zamora practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1871935080.

How much does Medicare pay Mariacristina Zamora?

Mariacristina Zamora (NPI 1871935080) received approximately $28K in total Medicare Part B payments, serving 30 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1871935080

Mariacristina ZamoraO.D.

OptometryLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

172

Unique beneficiaries

—

Total services

362

Distinct HCPCS

Medicare payment

$22K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$10K

Distinct drugs

Brand share

53.8%

Top prescribed drugs

Bimatoprost21 claims

Latanoprost18 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$176

Payment records

By payment type

Food and Beverage$176

Top paying entities

Food and Beverage$176

REFERRAL NETWORK

Where Mariacristina Zamora'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LABS-ALL, INC	105	223
KOHAN, MARIO	58	216
John Kim Podiatry · Los Angeles, CA	37	48
Carmencita Llado General Practice · Los Angeles, CA	35	85
Moustafa Alamy Gastroenterology · Paramount, CA	32	53
Beatriz Tamayo Internal Medicine · Los Angeles, CA	21	29
Mara Coloma General Practice · Huntington Park, CA	18	37
Yaming Shi Anesthesiology · Hawaiian Gardens, CA	13	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