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

Marc Byrne

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1972235471

Marc Byrne is an Addiction (Substance Use Disorder) Counselor in San Francisco, California. Registered with an NPI since 2022.

In the registry since
2022
Specialties on file
2

Practice location Address checks out

1360 Mission St
San Francisco, CA 94103-2626
Phone: (266) 217-7761
Fax: (415) 865-0119
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Community Health Worker (primary) Taxonomy 172V00000X
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1972235471
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 24, 2022
Last updated in NPPESMarch 14, 2025
Certification dateMarch 14, 2025

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