Aileen Castellanos, AMFT
NPI 1275188401 · Marriage & Family Therapist · Ontario, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aileen Castellanos, AMFT is a Marriage & Family Therapist provider in Ontario, CA (NPI 1275188401).
Provider details
- NPI number
- 1275188401
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- AMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 127239 (CA)
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
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1352 Irvine BlvdTustin, CA 92780-3549Phone: (714) 794-5172
Registry dates
- Enumerated
- 2019-08-05
- Last updated
- 2023-04-21
- Certified
- 2023-04-21
Frequently asked questions
- What is Aileen Castellanos's NPI number?
- Aileen Castellanos's National Provider Identifier (NPI) is 1275188401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aileen Castellanos's specialty?
- Aileen Castellanos is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Aileen Castellanos located?
- Aileen Castellanos's practice location on file with NPPES is 3491 Concours Ste 202, Ontario, CA 91764-5927.
- What is Aileen Castellanos's phone number?
- The practice phone number listed in the NPPES registry for Aileen Castellanos is (909) 284-4504.
- Does Aileen Castellanos accept Medicare?
- Aileen Castellanos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aileen Castellanos's NPI active?
- Yes — Aileen Castellanos's NPI (1275188401) is active in the NPPES registry as of the last update on 2023-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.