Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Maria Roach Williams, APRN, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1699218495

Maria Roach Williams, APRN, FNP-BC is a Nurse Practitioner in Harlingen, Texas. Qualified in 2016, 10 years ago. Practices with Wellmed Medical Group PA, a 664-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
10
Licensed in
TX
In the registry since
2016
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

See every abbreviation used in this directory →

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Practice location Address checks out

509 S Expressway 83 Ste B
Harlingen, TX 78550-5903
Phone: (956) 406-6285
Fax: (956) 406-6300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 615 Camelot Dr, Harlingen, TX 78550 — (956) 440-2701

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence AP132493 (TX)

Record details

NPI number1699218495
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN , FNP-BC
Sole proprietorNo
NPI enumeratedNovember 28, 2016
Last updated in NPPESApril 24, 2024
Certification dateApril 24, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Wellmed Medical Group Pa — 664 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Harlingen