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

Matthew Bruce Duff

Individual provider Psychologist · NPI 1023912672

Matthew Bruce Duff is a Psychologist in Issaquah, Washington. Registered with an NPI since 2026.

In the registry since
2026

Practice location Address checks out

195 NE Gilman Blvd Ste 100
Issaquah, WA 98027-2940
Phone: (425) 295-7697
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1023912672
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 6, 2026
Last updated in NPPESOctober 6, 2026
Certification dateOctober 6, 2026

Other providers in Issaquah