IndividualActive
Derek Leiss, ND
NPI 1689399339 · Naturopath · Portland, OR
Derek Leiss, ND is a Naturopath provider in Portland, OR (NPI 1689399339).
Provider details
- NPI number
- 1689399339
- Entity type
- Individual
- Primary specialty
- NaturopathOther Service Providers
- Credential
- ND
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4474 (OR)
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
819 Se Morrison St Ste 115
Portland, OR 97214-6308
Phone: (503) 956-9396
Street-level locationGet directions
Mailing address
2722 Ne 15th Ave
Portland, OR 97212-3302
Registry dates
- Enumerated
- 2022-10-05
- Last updated
- 2022-10-05
- Certified
- 2022-10-05
Frequently asked questions
- What is Derek Leiss's NPI number?
- Derek Leiss's National Provider Identifier (NPI) is 1689399339, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Leiss's specialty?
- Derek Leiss is listed in the NPPES registry with a primary specialty of Naturopath (Other Service Providers).
- Where is Derek Leiss located?
- Derek Leiss's practice location on file with NPPES is 819 Se Morrison St Ste 115, Portland, OR 97214-6308.
- What is Derek Leiss's phone number?
- The practice phone number listed in the NPPES registry for Derek Leiss is (503) 956-9396.
- Is Derek Leiss's NPI active?
- Yes — Derek Leiss's NPI (1689399339) is active in the NPPES registry as of the last update on 2022-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.