Ariela Nielson, RD
NPI 1366978660 · Registered Dietitian · Portland, OR
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ariela Nielson, RD is a Registered Dietitian provider in Portland, OR (NPI 1366978660).
Provider details
- NPI number
- 1366978660
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
- License
- LD-D-10157226 (OR)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
Mailing address
Registry dates
- Enumerated
- 2017-05-04
- Last updated
- 2019-01-16
Frequently asked questions
- What is Ariela Nielson's NPI number?
- Ariela Nielson's National Provider Identifier (NPI) is 1366978660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ariela Nielson's specialty?
- Ariela Nielson is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Ariela Nielson located?
- Ariela Nielson's practice location on file with NPPES is 5211 Ne Glisan St, Portland, OR 97213-3052.
- What is Ariela Nielson's phone number?
- The practice phone number listed in the NPPES registry for Ariela Nielson is (503) 215-6628.
- Does Ariela Nielson accept Medicare?
- Ariela Nielson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ariela Nielson's NPI active?
- Yes — Ariela Nielson's NPI (1366978660) is active in the NPPES registry as of the last update on 2019-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.