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

Trudy Theiss, RD

Individual provider Registered Dietitian · NPI 1821223652

Trudy Theiss, RD is a Registered Dietitian in San Francisco, California. Registered with an NPI since 2009.

In the registry since
2009
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

3700 California St
San Francisco, CA 94118-1618
Phone: (415) 600-6411
Fax: (415) 600-1945
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X

Record details

NPI number1821223652
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorNo
NPI enumeratedMay 22, 2009
Last updated in NPPESMay 22, 2009

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