MARIZA DIANE OLIVER NP
NPI 1477969848
Nurse Practitioner - Family in Brownsville, TX

Active since July 07, 2014PECOS EnrolledAccepts Medicare Assignment
89.44/100
CMS Quality Rating
2150 N EXPRESSWAY # 83, BROWNSVILLE, TX 78521(956) 548-0810(956) 544-7170 Get Directions Write a Review

NPPES record last updated: January 28, 2015. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Mariza Diane Oliver Np NPPES

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

MARIZA DIANE OLIVER NP (NPI 1477969848) is an individual family provider in Brownsville, Texas, licensed in Texas (648970) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1477969848
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARIZA DIANE OLIVERCredential: NP
Location Address2150 N EXPRESSWAY # 83Brownsville, TX 78521-1561
Mailing AddressPo Box 911230Dallas, TX 75391-1230 · (972) 997-8000 · Fax (972) 234-2987
Fax(956) 544-7170
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJuly 7, 2014
Last NPPES UpdateJanuary 28, 2015
✔ NPI 1477969848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · 648970
2150 N EXPRESSWAY # 83, Brownsville, TX 78521

Other Identifiers 1

Medicaid339258101TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mariza Diane Oliver Np 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 ID5193945087
PECOS Enrollment IDI20140926001513
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.

Areas of Expertise CMS Part B claims 11

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.

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
387 services109 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
336 services100 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
260 services122 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
241 services103 patients
Ferritin (blood protein) level 82728
A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.
127 services59 patients
Iron level 83540
An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.
127 services59 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78521 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.

89.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.85
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 2

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

Pharmacist (Oncology)
2150 N EXPRESSWAY # 83
BROWNSVILLE, TX 78521
Pharmacy (Specialty Pharmacy)
2150 N EXPRESSWAY # 83
BROWNSVILLE, TX 78521

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 Mariza Oliver's NPI number?

The NPI number for Mariza Oliver is 1477969848. It was assigned to this individual provider in the NPPES registry on July 7, 2014.

Where is Mariza Oliver located?

Mariza Oliver practices at 2150 N Expressway # 83, Brownsville, TX 78521. The listed phone number is (956) 548-0810.

What is Mariza Oliver's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mariza Oliver enrolled in Medicare?

Yes. Mariza Oliver 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.

What insurance does Mariza Oliver 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 7 other insurers list Mariza Oliver 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.

When was this NPI record last updated?

The NPPES record for Mariza Oliver was last updated on January 28, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.