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

Mark Thomas Villanueva

Individual provider Social Worker · NPI 1265115224

Mark Thomas Villanueva is a Social Worker in Wahiawa, Hawaii. Practices as a sole proprietor. Licensed in Hawaii and Nevada.

Licensed in
HI, NV
In the registry since
2023
Specialties on file
3
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Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 861684
Wahiawa, HI 96786-8563
Phone: (808) 220-7042
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 5291 (HI)
Social Worker Taxonomy 104100000X · Licence 2523 (HI)
Clinical Social Worker Taxonomy 1041C0700X · Licence 12858-C (NV)

Record details

NPI number1265115224
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedAugust 8, 2023
Last updated in NPPESMay 4, 2026
Certification dateMay 4, 2026

Other providers in Wahiawa