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

Diane Watjen, OT

Individual provider Pediatric Occupational Therapist · NPI 1952543266

Diane Watjen, OT is a Pediatric Occupational Therapist in Mendocino, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
What do these letters mean?
OT — Occupational Therapist
Helps people regain the skills needed for daily living and work.

See every abbreviation used in this directory →

Practice location Address checks out

10861 Gulch View Dr
Mendocino, CA 95460
Phone: (707) 937-4235
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Occupational Therapist (primary) Taxonomy 225XP0200X · Licence 6765 (CA)

Record details

NPI number1952543266
Entity typeIndividual (Type 1)
GenderFemale
Credentials OT
Sole proprietorYes
NPI enumeratedApril 1, 2009
Last updated in NPPESNovember 13, 2009
Mailing address10861 Gulch View Dr, Mendocino, CA 95460-8716