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

Dr. Derek Alexander Leiss, ND

Individual provider Naturopath · NPI 1689399339

Dr. Derek Alexander Leiss, ND is a Naturopath in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2022

Practice location Address checks out

819 SE Morrison St Ste 115
Portland, OR 97214-6308
Phone: (503) 956-9396
Show map & directions

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

Specialties & licences

Naturopath (primary) Taxonomy 175F00000X · Licence 4474 (OR)

Record details

NPI number1689399339
Entity typeIndividual (Type 1)
GenderMale
Credentials ND
Sole proprietorYes
NPI enumeratedOctober 5, 2022
Last updated in NPPESOctober 5, 2022
Certification dateOctober 5, 2022
Mailing address2722 Ne 15th Ave, Portland, OR 97212-3302

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