Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Debra Marie O'Brien Ruiz, MS, LMFT

Individual provider Marriage & Family Therapist · NPI 1821421264

Mrs. Debra Marie O'Brien Ruiz, MS, LMFT is a Marriage & Family Therapist in Simi Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2013
What do these letters mean?
MS — Master of Science
A graduate science degree.
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

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Practice location Address checks out

1227 E Los Angeles Ave
Simi Valley, CA 93065-2871
Phone: (805) 582-4080
Fax: (805) 579-6010
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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 LMFT104549 (CA)

Record details

NPI number1821421264
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , LMFT
Sole proprietorYes
NPI enumeratedAugust 20, 2013
Last updated in NPPESMarch 5, 2020
Certification dateMarch 5, 2020

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