Mariza Diane Oliver, NP - Medicare Nurse Practitioner in Brownsville, TX

Mariza Diane Oliver, NP is a medicare enrolled "Nurse Practitioner - Family" in Brownsville, Texas. She graduated from nursing school in 2012 and has 12 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Texas Oncology Pa and her current practice location is 2150 N Expressway # 83, Brownsville, Texas. You can reach out to her office (for appointments etc.) via phone at (956) 548-0810.

Mariza Diane Oliver is licensed to practice in Texas (license number 648970) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1477969848.

Contact Information

Mariza Diane Oliver, NP
2150 N Expressway # 83,
Brownsville, TX 78521-1561
(956) 548-0810
(956) 544-7170

Map and Direction




Provider's Profile

Full NameMariza Diane Oliver
GenderFemale
SpecialityNurse Practitioner
Experience12 Years
Location2150 N Expressway # 83, Brownsville, Texas
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mariza Diane Oliver graduated from nursing school in 2012
  NPI Data:
  • NPI Number: 1477969848
  • Provider Enumeration Date: 07/07/2014
  • Last Update Date: 01/28/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 5193945087
  • Enrollment ID: I20140926001513

Medical Identifiers

Medical identifiers for Mariza Diane Oliver such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477969848NPI-NPPES
339258101MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 648970 (Texas)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Texas Oncology Pa5395658934855

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mariza Diane Oliver allows following entities to bill medicare on her behalf.
Entity NameTexas Oncology Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811944101
PECOS PAC ID: 5395658934
Enrollment ID: O20031124000323

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mariza Diane Oliver is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mariza Diane Oliver, NP
Po Box 911230,
Dallas, TX 75391-1230

Ph: (972) 997-8000
Mariza Diane Oliver, NP
2150 N Expressway # 83,
Brownsville, TX 78521-1561

Ph: (956) 548-0810

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.