Mr Ernesto Marrero, MSN, FNP - Medicare Nurse Practitioner in Round Rock, TX

Mr Ernesto Marrero, MSN, FNP is a medicare enrolled "Nurse Practitioner" in Round Rock, Texas. His current practice location is 2631 Gattis School Rd Ste 150, Round Rock, Texas. You can reach out to his office (for appointments etc.) via phone at (512) 243-5872.

Mr Ernesto Marrero is licensed to practice in Texas (license number F11200009) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1104428416.

Contact Information

Mr Ernesto Marrero, MSN, FNP
2631 Gattis School Rd Ste 150,
Round Rock, TX 78664-2825
(512) 243-5872
(512) 243-7130

Map and Direction




Provider's Profile

Full NameMr Ernesto Marrero
GenderMale
SpecialityNurse Practitioner
Location2631 Gattis School Rd Ste 150, Round Rock, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1104428416
  • Provider Enumeration Date: 11/11/2020
  • Last Update Date: 09/29/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6507269453
  • Enrollment ID: I20210729001695

Medical Identifiers

Medical identifiers for Mr Ernesto Marrero such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104428416NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner F11200009 (Texas)Primary

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. Mr Ernesto Marrero allows following entities to bill medicare on his behalf.
Entity NameViva Health Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417618281
PECOS PAC ID: 9335505007
Enrollment ID: O20230523000719

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. Mr Ernesto Marrero 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
Mr Ernesto Marrero, MSN, FNP
2631 Gattis School Rd Ste 150,
Round Rock, TX 78664-2825

Ph: (512) 243-5872
Mr Ernesto Marrero, MSN, FNP
2631 Gattis School Rd Ste 150,
Round Rock, TX 78664-2825

Ph: (512) 243-5872

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).

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