Maria Roach Williams, APRN, FNP-BC - Medicare Nurse Practitioner in Harlingen, TX

Maria Roach Williams, APRN, FNP-BC is a medicare enrolled "Nurse Practitioner - Family" in Harlingen, Texas. She graduated from nursing school in 2016 and has 8 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Wellmed Medical Group Pa and her current practice location is 509 S Expressway 83 Ste B, Harlingen, Texas. You can reach out to her office (for appointments etc.) via phone at (956) 406-6285.

Maria Roach Williams is licensed to practice in Texas (license number AP132493) 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 1699218495.

Contact Information

Maria Roach Williams, APRN, FNP-BC
509 S Expressway 83 Ste B,
Harlingen, TX 78550-5903
(956) 406-6285
(956) 406-6300

Map and Direction




Provider's Profile

Full NameMaria Roach Williams
GenderFemale
SpecialityNurse Practitioner
Experience8 Years
Location509 S Expressway 83 Ste B, Harlingen, 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:
  • Maria Roach Williams graduated from nursing school in 2016
  NPI Data:
  • NPI Number: 1699218495
  • Provider Enumeration Date: 11/28/2016
  • Last Update Date: 04/24/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 6901143320
  • Enrollment ID: I20190123002940

Medical Identifiers

Medical identifiers for Maria Roach Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699218495NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family AP132493 (Texas)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Wellmed Medical Group Pa4880657386663

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. Maria Roach Williams allows following entities to bill medicare on her behalf.
Entity NameWellmed Medical Group Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437156486
PECOS PAC ID: 4880657386
Enrollment ID: O20041105000519

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. Maria Roach Williams 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
Maria Roach Williams, APRN, FNP-BC
509 S Expressway 83 Ste B,
Harlingen, TX 78550-5903

Ph: (956) 406-6285
Maria Roach Williams, APRN, FNP-BC
509 S Expressway 83 Ste B,
Harlingen, TX 78550-5903

Ph: (956) 406-6285

Reviews and Comments


Nurse Practitioner Nurses in Harlingen, TX

Rosa Linda Silvestro, FNP-C
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Phone: 956-536-5213    
Jessica Rexine Mitchell, FNP-C
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Practice Location: 3809 W Business 83, Harlingen, TX 78552
Phone: 956-504-3550    Fax: 956-734-9038
Ms. Nadia Yvette Lozano, APRN, FNP-C
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Phone: 956-365-4400    Fax: 956-365-4111
Ray Garcia Jr., FNP
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Medicare: Not Enrolled in Medicare
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Sylvia Rodriguez, MSN, APRN, FNP-BC
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Medicare: Accepting Medicare Assignments
Practice Location: 2121 Pease St Ste 101, Harlingen, TX 78550
Phone: 956-425-8845    Fax: 956-364-6785
Sabino Vega Jr., MSN, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 2101 Pease St, Harlingen, TX 78550
Phone: 956-389-5000    
Priscilla Velazquez,
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 707 W Sesame Dr, Harlingen, TX 78550
Phone: 956-423-8042    Fax: 956-423-2907

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.