1. Home
  2. Directory
  3. Texas
  4. San Antonio
  5. Nurse Practitioner
  6. NPI Profile

MARIA OLIU APRN, FNP-C, AGACNP
NPI 1164810347
Nurse Practitioner - Acute Care in San Antonio, TX

Active since December 22, 2014PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
4450 MEDICAL DR FL 1, SAN ANTONIO, TX 78229(210) 575-3817(210) 575-4113 Get Directions Write a Review

NPPES record last updated: May 8, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 8, 2023, May 3, 2023, Aug 5, 2019 (3 updates tracked since 2019).

About Maria Oliu Aprn, Fnp-c, Agacnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIA OLIU APRN, FNP-C, AGACNP (NPI 1164810347) is an individual acute care provider in San Antonio, Texas, licensed in Texas (AP126235) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS, is affiliated with Methodist Hospital, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1164810347
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMARIA OLIUCredential: APRN, FNP-C, AGACNP
Location Address4450 MEDICAL DR FL 1San Antonio, TX 78229-3710
Mailing Address4450 Medical Dr Fl 1San Antonio, TX 78229-3710 · (210) 575-3817 · Fax (210) 575-4113
Phone(210) 575-3817
Fax(210) 575-4113
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateDecember 22, 2014
Last NPPES UpdateMay 8, 20233 updates tracked since enumeration
NPPES CertifiedMay 8, 2023
✔ NPI 1164810347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in TX · AP126235
Also ListedNurse PractitionerTaxonomy 363L00000X · License AP126235 (TX)
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License AP126235 (TX)
4450 MEDICAL DR FL 1, San Antonio, TX 78229
Open in Google Maps ↗

Other Identifiers 2

Medicaid343996001TX
Other8EX820TX · Bcbstx

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria Oliu Aprn, Fnp-c, Agacnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911223268
PECOS Enrollment IDI20150303001781
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Maria Oliu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine Services Of Tx, PLLC
0.1 mi
Emergency Medicine
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 1,452 clinicians in this Medicare group
NPI 1245938729 (210) 575-4000
Hospital Medicine Services Of Tx, PLLC
0.1 mi
Hospitalist
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 681 clinicians in this Medicare group
NPI 1881392363 (210) 575-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
86 services84 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number670055
Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TIMOTHY S FENSKE MD
Internal Medicine (Hematology & Oncology)
4450 MEDICAL DR FL 1
SAN ANTONIO, TX 78229
Bexar County (210) 575-3817
AMIN FIROOZMAND M.D
Internal Medicine (Hematology & Oncology)
4450 MEDICAL DR FL 1
SAN ANTONIO, TX 78229
Bexar County (210) 575-3817
MISS MELANIE LISE HOCHMAN AGACNP
Nurse Practitioner
4450 MEDICAL DR FL 1
SAN ANTONIO, TX 78229
Bexar County (210) 575-3817
RACHEL RHODES PA-C
Physician Assistant
4450 MEDICAL DR FL 1
SAN ANTONIO, TX 78229
Bexar County (210) 575-3817
LAURA RENEE DARILEK APRN-CNP
Nurse Practitioner
4450 MEDICAL DR FL 1
SAN ANTONIO, TX 78229
Bexar County (210) 575-3817
WENDY HENNINGER DNP, APRN, CNP
Nurse Practitioner
4450 MEDICAL DR FL 1
SAN ANTONIO, TX 78229
Bexar County (210) 575-3817
MRS. NOSHA FARHADFAR M.D.
Internal Medicine (Hematology & Oncology)
4450 MEDICAL DR FL 1
SAN ANTONIO, TX 78229
Bexar County (210) 575-3817
SABITA THAPA
Nurse Practitioner
4450 MEDICAL DR FL 1
SAN ANTONIO, TX 78229
Bexar County (210) 575-3817

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria Oliu's NPI number?

The NPI number for Maria Oliu is 1164810347. It was assigned to this individual provider in the NPPES registry on December 22, 2014.

Where is Maria Oliu located?

Maria Oliu practices at 4450 Medical Dr Fl 1, San Antonio, TX 78229. The listed phone number is (210) 575-3817.

What is Maria Oliu's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Maria Oliu enrolled in Medicare?

Yes. Maria Oliu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Maria Oliu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Oliu reassigns Medicare benefits to 2 organizations: Emergency Medicine Services Of Tx, PLLC (San Antonio, TX) and Hospital Medicine Services Of Tx, PLLC (San Antonio, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maria Oliu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Oliu accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 3 other insurers list Maria Oliu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Maria Oliu affiliated with any hospitals?

According to CMS data, Maria Oliu is affiliated with Methodist Hospital and Methodist Hospital Stone Oak.

When was this NPI record last updated?

The NPPES record for Maria Oliu was last updated on May 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.