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

Jan Wirsching, RD

Individual provider Registered Dietitian · NPI 1801612239

Jan Wirsching, RD is a Registered Dietitian in San Diego, California. Licensed in Iowa. Registered with an NPI since 2024.

Licensed in
IA
In the registry since
2024
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

555 Washington St
San Diego, CA 92103-2289
Phone: (619) 260-8300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 86168772 (IA)

Record details

NPI number1801612239
Entity typeIndividual (Type 1)
GenderMale
Credentials RD
Sole proprietorNo
NPI enumeratedDecember 2, 2024
Last updated in NPPESDecember 2, 2024
Certification dateDecember 2, 2024

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