ARIELA NIELSON RD
NPI 1366978660
Dietitian, Registered in Portland, OR
About Ariela Nielson Rd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARIELA NIELSON RD (NPI 1366978660) is an individual dietitian, registered in Portland, Oregon, licensed in Oregon (LD-D-10157226) and active in the NPI registry since May 2017. She is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ariela Nielson Rd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ariela Nielson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97232
- Reassigned Medicare billing, Oregon enrollment
- 719 clinicians in this Medicare group
Portland, OR 97203
- Reassigned Medicare billing, Oregon enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97213
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ariela Nielson's NPI number?
The NPI number for Ariela Nielson is 1366978660. It was assigned to this individual provider in the NPPES registry on May 4, 2017.
Where is Ariela Nielson located?
Ariela Nielson practices at 5211 NE Glisan St Building C, Portland, OR 97213. The listed phone number is (503) 215-6628.
What is Ariela Nielson's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Ariela Nielson enrolled in Medicare?
Yes. Ariela Nielson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ariela Nielson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ariela Nielson reassigns Medicare benefits to 2 organizations: Legacy Emanuel Hospital & Health Center (Portland, OR) and Nielson Nutrition & Diabetes Care (Portland, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ariela Nielson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ariela Nielson accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Ariela Nielson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ariela Nielson was last updated on January 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ariela Nielson, RD · NPI 1366978660
Dietitian, Registered provider in Portland, Oregon. Individual provider, active in the CMS NPPES registry since May 4, 2017.
## Identity
- **NPI:** 1366978660 (Entity type: Individual)
- **Enumerated:** May 4, 2017
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **State license:** LD-D-10157226 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 5211 NE GLISAN ST, BUILDING C, Portland, OR 97213-3052
- **Phone:** (503) 215-6628
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Legacy Emanuel Hospital & Health Center (NPI 1003367491, Portland, OR); Nielson Nutrition & Diabetes Care (NPI 1962140152, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** January 16, 2019
- **Other identifiers:** Medicaid 500725340 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1366978660) · Data from the CMS NPPES public registry.