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

Crystal Joy Sierra, COTA/L

Individual provider Occupational Therapy Assistant · NPI 1093358921

Crystal Joy Sierra, COTA/L is an Occupational Therapy Assistant in San Diego, California. Licensed in California. Registered with an NPI since 2019.

Licensed in
CA
In the registry since
2019
What do these letters mean?
COTA/L — Certified Occupational Therapy Assistant, Licensed
An occupational therapy assistant who is both certified and state licensed.

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Practice location Address checks out

4100 Normal St
San Diego, CA 92103-2653
Phone: (619) 725-5501
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapy Assistant (primary) Taxonomy 224Z00000X · Licence 5012 (CA)

Record details

NPI number1093358921
Entity typeIndividual (Type 1)
GenderFemale
Credentials COTA/L
Sole proprietorNo
NPI enumeratedOctober 23, 2019
Last updated in NPPESJuly 30, 2026
Certification dateJuly 30, 2026

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