Aryon Nielsen, PA-C
NPI 1477369510 · Medical Physician Assistant · Placerville, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aryon Nielsen, PA-C is a Medical Physician Assistant provider in Placerville, CA (NPI 1477369510).
Provider details
- NPI number
- 1477369510
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA65408 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-12-04
- Last updated
- 2025-12-07
- Certified
- 2025-12-07
Frequently asked questions
- What is Aryon Nielsen's NPI number?
- Aryon Nielsen's National Provider Identifier (NPI) is 1477369510, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aryon Nielsen's specialty?
- Aryon Nielsen is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Aryon Nielsen located?
- Aryon Nielsen's practice location on file with NPPES is 1095 Marshall Way, Placerville, CA 95667-5722.
- What is Aryon Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Aryon Nielsen is (253) 227-0379.
- Does Aryon Nielsen accept Medicare?
- Aryon Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aryon Nielsen's NPI active?
- Yes — Aryon Nielsen's NPI (1477369510) is active in the NPPES registry as of the last update on 2025-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.