Luis Deleon, M.S.
NPI 1255587259 · Marriage & Family Therapist · Ontario, CA
Luis Deleon, M.S. is a Marriage & Family Therapist provider in Ontario, CA (NPI 1255587259).
Provider details
- NPI number
- 1255587259
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.S.
- 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
17 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
- 2008-08-11
- Last updated
- 2009-08-06
Frequently asked questions
- What is Luis Deleon's NPI number?
- Luis Deleon's National Provider Identifier (NPI) is 1255587259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luis Deleon's specialty?
- Luis Deleon is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Luis Deleon located?
- Luis Deleon's practice location on file with NPPES is 2930 Inland Empire Blvd, Ontario, CA 91764-4802.
- What is Luis Deleon's phone number?
- The practice phone number listed in the NPPES registry for Luis Deleon is (909) 980-6700.
- Is Luis Deleon's NPI active?
- Yes — Luis Deleon's NPI (1255587259) is active in the NPPES registry as of the last update on 2009-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.