Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nicholas Melchior Castellanos Jr.

Individual provider Behavior Analyst · NPI 1528628559

Nicholas Melchior Castellanos Jr. is a Behavior Analyst in San Mateo, California. Licensed in California. Registered with an NPI since 2019.

Licensed in
CA
In the registry since
2019

Practice location Address checks out

1720 S Amphlett Blvd Ste 110
San Mateo, CA 94402-2710
Phone: (650) 931-6300
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X · Licence 1-23-69479 (CA)

Record details

NPI number1528628559
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 20, 2019
Last updated in NPPESNovember 13, 2023
Certification dateNovember 13, 2023

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