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

William Shannon Ryan, BA

Individual provider Counselor · NPI 1578890109

William Shannon Ryan, BA is a Counselor in San Francisco, California. Registered with an NPI since 2009.

In the registry since
2009
What do these letters mean?
BA — Bachelor of Arts
An undergraduate arts degree.

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Practice location Address checks out

1801 Vicente St
San Francisco, CA 94116-2923
Phone: (415) 681-3211
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X

Record details

NPI number1578890109
Entity typeIndividual (Type 1)
GenderMale
Credentials BA
Sole proprietorNo
NPI enumeratedNovember 3, 2009
Last updated in NPPESNovember 3, 2009

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