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

Alter Nathan Bader

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1801301874

Alter Nathan Bader is an Addiction (Substance Use Disorder) Counselor in San Francisco, California. Registered with an NPI since 2017.

In the registry since
2017

Practice location Address checks out

1111 Market St
San Francisco, CA 94103-1513
Phone: (415) 863-3883
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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 number1801301874
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedDecember 12, 2017
Last updated in NPPESDecember 12, 2017
Mailing addressPo Box 460801, San Francisco, CA 94146-0801

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