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
Show map & directions

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