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

Mary Ann Watson, OTR/L

Individual provider Occupational Therapy Assistant · NPI 1356835722

Mary Ann Watson, OTR/L is an Occupational Therapy Assistant in Los Alamitos, California. Licensed in California. Registered with an NPI since 2018.

Licensed in
CA
In the registry since
2018
Specialties on file
2
What do these letters mean?
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.

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Practice location Address checks out

4772 Katella Ave Ste 100
Los Alamitos, CA 90720-2681
Phone: (562) 430-8700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hand Occupational Therapist (primary) Taxonomy 225XH1200X · Licence 25622 (CA)
Occupational Therapy Assistant Taxonomy 224Z00000X · Licence 4430 (CA)

Record details

NPI number1356835722
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR/L
Sole proprietorNo
NPI enumeratedJune 19, 2018
Last updated in NPPESOctober 26, 2023
Certification dateOctober 26, 2023

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