What is Maria Oliu's specialty?

Maria Oliu (NPI 1164810347) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in San Antonio, TX.

Where does Maria Oliu practice?

Maria Oliu practices in San Antonio, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1164810347.

How much does Medicare pay Maria Oliu?

Maria Oliu (NPI 1164810347) received approximately $10K in total Medicare Part B payments, serving 86 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1164810347

Maria OliuAPRN, FNP-C, AGACNP

Nurse PractitionerSan Antonio, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

Total Medicare services vs. 14,200 Nurse Practitioner providers in TX — bottom quintile (cohort median 248).

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 · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 450388

Hospital

REFERRAL NETWORK

Where Maria Oliu'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 · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.	61	102

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Fernando Membreno Gastroenterology · Mcallen, TX	20	26
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.	12	22
Omer Junaidi Gastroenterology · San Antonio, TX	12	18
Madhavi Rudraraju Gastroenterology · San Antonio, TX	12	14

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