# Katherine Kelso, BCBA

> ABA therapy · South Pasadena. Applied behavior analysis led by a board certified behavior analyst (BCBA) in South Pasadena, for children.
- Ages: Up to age 21
- Price: ask the provider
- Where: near South Pasadena (exact address not listed)
- Phone: (323) 422-8685
- On Summerground: https://summerground.com/south-pasadena/katherine-kelso-bcba

## ABA therapy

Up to age 21

Applied behavior analysis (ABA) practice led by Katherine Kelso, BCBA, based on Fair Oaks Avenue in South Pasadena, in the San Gabriel Valley near Pasadena. The national provider registry lists a team of practitioners alongside her: Danny Qian, Sarai Vazquez, BA, Christopher Winston, Jenny Nguyen, Silvia Ramirez and Urian Dsilva. Services are behavior analytic therapy for children, a field used to support autism, developmental delays and behavior challenges. The practice's phone number is (323) 422-8685. Ages, hours, funding sources and where sessions take place are not published in the registry record, so families should contact the practice directly to confirm.

## About Katherine Kelso, BCBA

A behavior analysis practice listed in the national provider registry under Katherine Kelso, BCBA, at 625 Fair Oaks Ave in South Pasadena. The registry also lists Danny Qian, Sarai Vazquez, BA, Christopher Winston, Jenny Nguyen, Silvia Ramirez and Urian Dsilva as practitioners.

Details from NPPES NPI registry, September 2026, checked October 12, 2026. Confirm prices and dates with the provider before signing up.