Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Karen Judith Martinez-Castellon, MSN-FNP

Individual provider Family Nurse Practitioner · NPI 1922765395

Karen Judith Martinez-Castellon, MSN-FNP is a Family Nurse Practitioner in McAllen, Texas. Licensed in Texas. Registered with an NPI since 2021.

Licensed in
TX
In the registry since
2021

Practice location Address checks out

501 N Ware Rd
McAllen, TX 78501-8055
Phone: (956) 664-1234
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 1040647 (TX)

Record details

NPI number1922765395
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN-FNP
Sole proprietorNo
NPI enumeratedNovember 20, 2021
Last updated in NPPESSeptember 15, 2026
Certification dateSeptember 15, 2026

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