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

Mrs. Ellen Hanes Stein I, OT

Individual provider Occupational Therapist · NPI 1821577966

Mrs. Ellen Hanes Stein I, OT is an Occupational Therapist in Castro Valley, California. Licensed in California. Registered with an NPI since 2018.

Licensed in
CA
In the registry since
2018
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

21966 Dolores St
Castro Valley, CA 94546-6900
Phone: (510) 733-2413
Fax: (510) 583-1263
Show map & directions

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

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence OT164 (CA)

Record details

NPI number1821577966
Entity typeIndividual (Type 1)
GenderFemale
Credentials OT
Sole proprietorNo
NPI enumeratedAugust 9, 2018
Last updated in NPPESSeptember 11, 2025

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