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

Mr. Ralph William Costello, MFT

Individual provider Marriage & Family Therapist · NPI 1780737379

Mr. Ralph William Costello, MFT is a Marriage & Family Therapist in Tustin, California. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

161 Fashion Ln Ste 205
Tustin, CA 92780
Phone: (714) 669-9120
Fax: (714) 669-9120
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X

Record details

NPI number1780737379
Entity typeIndividual (Type 1)
GenderMale
Credentials MFT
Sole proprietorNo
NPI enumeratedJanuary 19, 2007
Last updated in NPPESJuly 8, 2007

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