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

Mr. John H Threlfall, MA, MFT

Individual provider Marriage & Family Therapist · NPI 1790019073

Mr. John H Threlfall, MA, MFT is a Marriage & Family Therapist in Hilo, Hawaii. Practices as a sole proprietor. Licensed in Hawaii.

Licensed in
HI
In the registry since
2009
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

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Practice location Address checks out

56 Waianuenue Ave 214
Hilo, HI 96720-2474
Phone: (808) 967-7613
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 223 (HI)

Record details

NPI number1790019073
Entity typeIndividual (Type 1)
GenderMale
Credentials MA , MFT
Sole proprietorYes
NPI enumeratedSeptember 19, 2009
Last updated in NPPESSeptember 19, 2009

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