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

Cristian John Castellanos

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1952966616

Cristian John Castellanos is an Addiction (Substance Use Disorder) Counselor in San Francisco, California. Registered with an NPI since 2019.

In the registry since
2019

Practice location Address checks out

440 Potrero Ave
San Francisco, CA 94110-1430
Phone: (415) 487-6722
Fax: (415) 487-6724
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1952966616
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 7, 2019
Last updated in NPPESMay 7, 2019

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