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

Mrs. Arlene Castillo, MS

Individual provider Marriage & Family Therapist · NPI 1700372158

Mrs. Arlene Castillo, MS is a Marriage & Family Therapist in Rancho Cucamonga, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2018
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

9033 Baseline Rd Ste 5
Rancho Cucamonga, CA 91730-1214
Phone: (909) 989-9030
Fax: (909) 466-4594
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 107466
Marriage & Family Therapist Taxonomy 106H00000X · Licence 99945 (CA)

Record details

NPI number1700372158
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS
Sole proprietorYes
NPI enumeratedJuly 9, 2018
Last updated in NPPESMay 7, 2019
Mailing address711 Kenwood Street, Upland, CA 91784-0800

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