IndividualActive
Mariela Castellano-Arredondo
NPI 1306705223 · School Counselor · San Marcos, CA
Mariela Castellano-Arredondo is a School Counselor provider in San Marcos, CA (NPI 1306705223).
Provider details
- NPI number
- 1306705223
- Entity type
- Individual
- Primary specialty
- School CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 230119541 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% 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
255 Pico Ave Ste 250
San Marcos, CA 92069-3712
Phone: (760) 290-2512
Street-level locationGet directions
Mailing address
255 Pico Ave Ste 250
San Marcos, CA 92069-3712
Registry dates
- Enumerated
- 2026-01-16
- Last updated
- 2026-01-16
- Certified
- 2026-01-16
Frequently asked questions
- What is Mariela Castellano-Arredondo's NPI number?
- Mariela Castellano-Arredondo's National Provider Identifier (NPI) is 1306705223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariela Castellano-Arredondo's specialty?
- Mariela Castellano-Arredondo is listed in the NPPES registry with a primary specialty of School Counselor (Behavioral Health & Social Service Providers).
- Where is Mariela Castellano-Arredondo located?
- Mariela Castellano-Arredondo's practice location on file with NPPES is 255 Pico Ave Ste 250, San Marcos, CA 92069-3712.
- What is Mariela Castellano-Arredondo's phone number?
- The practice phone number listed in the NPPES registry for Mariela Castellano-Arredondo is (760) 290-2512.
- Is Mariela Castellano-Arredondo's NPI active?
- Yes — Mariela Castellano-Arredondo's NPI (1306705223) is active in the NPPES registry as of the last update on 2026-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.