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

MS. Isabella Shari Riojas, PHD

Individual provider Mental Health Counselor · NPI 1851629968

MS. Isabella Shari Riojas, PHD is a Mental Health Counselor in Mountlake Terrace, Washington. Licensed in Washington. Registered with an NPI since 2009.

Licensed in
WA
In the registry since
2009
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

6505 216th St SW Ste 100
Mountlake Terrace, WA 98043-2089
Phone: (509) 726-0192
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence MHC.LH.70048562 (WA)
Social Worker Taxonomy 104100000X

Record details

NPI number1851629968
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 1, 2009
Last updated in NPPESMarch 3, 2026
Certification dateMarch 3, 2026

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