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

Janine Marie Gessner Mash, LCGC

Individual provider Genetic Counselor (M.S.) · NPI 1174958557

Janine Marie Gessner Mash, LCGC is a Genetic Counselor (M.S.) in San Francisco, California. Licensed in California. Registered with an NPI since 2013.

Licensed in
CA
In the registry since
2013

Practice location Address checks out

2356 Sutter St
San Francisco, CA 94115-3006
Phone: (415) 353-1397
Show map & directions

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

Specialties & licences

Genetic Counselor (M.S.) (primary) Taxonomy 170300000X (CA)

Record details

NPI number1174958557
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCGC
Sole proprietorNo
NPI enumeratedSeptember 4, 2013
Last updated in NPPESSeptember 4, 2013

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