Family Nurse Practitioner
NUCC taxonomy code 363LF0000X · 22,499 providers in Texas in the June 2026 NPPES file.
About this specialty
A family nurse practitioner (FNP) is a registered nurse with graduate-level training who provides primary care to patients of all ages, from children to seniors. FNPs perform physical exams, diagnose and treat common acute and chronic conditions, order and interpret tests, and prescribe medication.
In Texas, nurse practitioners prescribe under a prescriptive authority agreement with a delegating physician. Most FNPs work in primary care clinics, urgent care centers, and family practices, and they are often the first point of contact in areas with few physicians.
Statewide numbers for the profession, including growth by year and the largest cities, are on Texas nurse practitioner statistics.
Top cities
- Houston (2,753)
- San Antonio (1,496)
- Dallas (1,309)
- Austin (934)
- Fort Worth (692)
Providers (page 69 of 450)
- Mrs. Andrea Mercedes Castillo, NP
Family Nurse Practitioner · Houston, TX · NPI 1982983029
- Mrs. Belinda Castillo, NP
Family Nurse Practitioner · Edinburg, TX · NPI 1558651893
- Claudia Castillo
Family Nurse Practitioner · Waller, TX · NPI 1841847498
- Crystal Marie Castillo, FNP
Family Nurse Practitioner · Edinburg, TX · NPI 1659047512
- Daniela Castillo
Family Nurse Practitioner · Sherman, TX · NPI 1962167775
- Herman Castillo, NP
Family Nurse Practitioner · Eagle Pass, TX · NPI 1699427534
- Jessica Castillo, RN. FNP
Family Nurse Practitioner · Abilene, TX · NPI 1578991477
- Mrs. Kaitlin B Castillo, APRN FNP-C
Family Nurse Practitioner · Houston, TX · NPI 1740752245
- Mrs. Lauren Elvia Castillo, FNP
Family Nurse Practitioner · Houston, TX · NPI 1831650621
- Maria Elena Castillo, FNP
Family Nurse Practitioner · Brownsville, TX · NPI 1376805036
- Norma Isabel Castillo, APRN FNP-C
Family Nurse Practitioner · Houston, TX · NPI 1558971374
- Rebecca Stephanie Castillo, NP
Family Nurse Practitioner · Lubbock, TX · NPI 1174134753
- Sasha Maria Castillo, FNP-BC
Family Nurse Practitioner · Mcallen, TX · NPI 1174118954
- Yesenia Castillo, FNP-C
Family Nurse Practitioner · Mcallen, TX · NPI 1043059140
- Lizbet Castillo Gonzalez, FNP-C
Family Nurse Practitioner · San Antonio, TX · NPI 1215885199
- Leslie Christine Castillo Sanchez, FNP-BC
Family Nurse Practitioner · San Antonio, TX · NPI 1164061297
- Miguel Castillo Santiago, APRN
Family Nurse Practitioner · Houston, TX · NPI 1073165627
- Daniel E Castineira
Family Nurse Practitioner · Katy, TX · NPI 1336623115
- Callie Castle, FNP-C
Family Nurse Practitioner · Muleshoe, TX · NPI 1649850710
- Cody Castle, FNP
Family Nurse Practitioner · Longview, TX · NPI 1417481623
- Mrs. Jessica Susan Castle, FNP
Family Nurse Practitioner · Waxahachie, TX · NPI 1609418532
- Joshua Castle, FNP-C
Family Nurse Practitioner · Longview, TX · NPI 1508602749
- Mrs. Lacy Xenia Castleberry, NP
Family Nurse Practitioner · Fort Worth, TX · NPI 1386397487
- Cynthia Allen Castleman, APRN
Family Nurse Practitioner · The Woodlands, TX · NPI 1386250934
- Tania Castleman, FNP-BC
Family Nurse Practitioner · Irving, TX · NPI 1124629639
- Mrs. Latonya Caston, FNP
Family Nurse Practitioner · Spring, TX · NPI 1699106872
- Ms. Natoya S Caston, DNP
Family Nurse Practitioner · Houston, TX · NPI 1477077444
- Reginald Castor, APRN,FNP-C
Family Nurse Practitioner · Houston, TX · NPI 1275268328
- Mrs. Anna L. Castro, FNP
Family Nurse Practitioner · San Antonio, TX · NPI 1841744315
- Blanca Alejandra Castro, MSN, APRN
Family Nurse Practitioner · Laredo, TX · NPI 1639614662
- Deborah Castro, FNP-C
Family Nurse Practitioner · Georgetown, TX · NPI 1184996977
- Diana Castro
Family Nurse Practitioner · Alamo, TX · NPI 1316727498
- Ernesto Castro, NP
Family Nurse Practitioner · Bellaire, TX · NPI 1538909791
- Jannette Alejandra Castro, FNP
Family Nurse Practitioner · Dallas, TX · NPI 1154148377
- Joanne Quirion Castro, NP
Family Nurse Practitioner · Littlefield, TX · NPI 1326503780
- Lisa G Castro, NP
Nurse Practitioner · San Antonio, TX · NPI 1750755484
- Louise P. Castro, FNP
Family Nurse Practitioner · El Paso, TX · NPI 1851359574
- Melissa Castro
Family Nurse Practitioner · Denver City, TX · NPI 1972300846
- Sonia M Castro, APRN, FNP-C
Family Nurse Practitioner · Sonora, TX · NPI 1881297315
- Maylen Castro Guerra
Family Nurse Practitioner · Houston, TX · NPI 1003438615
- Dr. Robert Saul Castro Natal, DNP, APRN, FNP-BC
Family Nurse Practitioner · San Antonio, TX · NPI 1376244988
- Rebecca Elaine Castro Rios, FNP-C
Family Nurse Practitioner · San Antonio, TX · NPI 1881163087
- Eva Catalan, FNP-C
Family Nurse Practitioner · Dallas, TX · NPI 1174125272
- Janine M Catalano, FNP
Family Nurse Practitioner · Houston, TX · NPI 1033121587
- Melony K Cataline, FNP
Family Nurse Practitioner · Denton, TX · NPI 1184963472
- Dean Morris Cates, FNP
Family Nurse Practitioner · Borger, TX · NPI 1831435031
- Sharon Kay Cates, NP-C
Family Nurse Practitioner · Abilene, TX · NPI 1396182663
- Valentina Cosma Cates, FNP
Family Nurse Practitioner · The Woodlands, TX · NPI 1346686508
- Kelsey Ann Cates-Sherman
Family Nurse Practitioner · Conroe, TX · NPI 1386286888
- Mrs. Gabria Ann Cathcart, RN, NP-C
Family Nurse Practitioner · Wimberley, TX · NPI 1780996363
Data: NPPES public registry, June 2026 file. Taxonomy definitions follow the NUCC Health Care Provider Taxonomy code set. Classification is self-reported by providers.