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

Mark Greg Iwanicki, ND

Individual provider Naturopath · NPI 1780136192

Mark Greg Iwanicki, ND is a Naturopath in Mill Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2016

Practice location Address checks out

125 Throckmorton Ave
Mill Valley, CA 94941-1909
Phone: (917) 971-6625
Show map & directions

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

Specialties & licences

Naturopath (primary) Taxonomy 175F00000X · Licence ND833 (CA)

Record details

NPI number1780136192
Entity typeIndividual (Type 1)
GenderMale
Credentials ND
Sole proprietorYes
NPI enumeratedNovember 2, 2016
Last updated in NPPESNovember 2, 2016
Mailing address355 Valdez Ave, San Francisco, CA 94127-2123

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