Fabiola Castellanos
NPI 1457657819 · Marriage & Family Therapist · Ontario, CA
Fabiola Castellanos is a Marriage & Family Therapist provider in Ontario, CA (NPI 1457657819).
Provider details
- NPI number
- 1457657819
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
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
15 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
- 2011-02-02
- Last updated
- 2022-12-05
- Certified
- 2022-12-05
Frequently asked questions
- What is Fabiola Castellanos's NPI number?
- Fabiola Castellanos's National Provider Identifier (NPI) is 1457657819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fabiola Castellanos's specialty?
- Fabiola Castellanos is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Fabiola Castellanos located?
- Fabiola Castellanos's practice location on file with NPPES is 855 N Euclid Ave, Ontario, CA 91762-2729.
- What is Fabiola Castellanos's phone number?
- The practice phone number listed in the NPPES registry for Fabiola Castellanos is (909) 983-2020.
- Is Fabiola Castellanos's NPI active?
- Yes — Fabiola Castellanos's NPI (1457657819) is active in the NPPES registry as of the last update on 2022-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.