Ralph Costello, MFT
NPI 1780737379 · Marriage & Family Therapist · Tustin, CA
Ralph Costello, MFT is a Marriage & Family Therapist provider in Tustin, CA (NPI 1780737379).
Provider details
- NPI number
- 1780737379
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ralph Costello's NPI number?
- Ralph Costello's National Provider Identifier (NPI) is 1780737379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Costello's specialty?
- Ralph Costello is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Ralph Costello located?
- Ralph Costello's practice location on file with NPPES is 161 Fashion Lane, Tustin, CA 92780.
- What is Ralph Costello's phone number?
- The practice phone number listed in the NPPES registry for Ralph Costello is (714) 669-9120.
- Is Ralph Costello's NPI active?
- Yes — Ralph Costello's NPI (1780737379) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.