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

Dr. Gretchen K Andreis, DC

Individual provider Chiropractor · NPI 1780767103

Dr. Gretchen K Andreis, DC is a Chiropractor in Tiburon, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

1640 Tiburon Blvd
Tiburon, CA 94920
Phone: (415) 435-7420
Fax: (415) 435-7424
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence DC21875 (CA)

Record details

NPI number1780767103
Entity typeIndividual (Type 1)
GenderFemale
Credentials DC
Sole proprietorNo
NPI enumeratedOctober 21, 2006
Last updated in NPPESJuly 8, 2007

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