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

Nathanael Choisser

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1770437717

Nathanael Choisser is an Addiction (Substance Use Disorder) Counselor in Berkeley, California. Registered with an NPI since 2026.

In the registry since
2026

Practice location Address checks out

1835 Allston Way
Berkeley, CA 94703-1764
Phone: (510) 666-9552
Show map & directions

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 number1770437717
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedFebruary 25, 2026
Last updated in NPPESFebruary 25, 2026
Certification dateFebruary 25, 2026

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