Ella Maierhofer, RN, ARNP
NPI 1023795978 · Nurse Practitioner · Seattle, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ella Maierhofer, RN, ARNP is a Nurse Practitioner provider in Seattle, WA (NPI 1023795978).
Provider details
- NPI number
- 1023795978
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN61093264 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2023-07-03
- Last updated
- 2024-05-06
- Certified
- 2024-05-06
Frequently asked questions
- What is Ella Maierhofer's NPI number?
- Ella Maierhofer's National Provider Identifier (NPI) is 1023795978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ella Maierhofer's specialty?
- Ella Maierhofer is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ella Maierhofer located?
- Ella Maierhofer's practice location on file with NPPES is 901 12th Ave, Seattle, WA 98122-4411.
- What is Ella Maierhofer's phone number?
- The practice phone number listed in the NPPES registry for Ella Maierhofer is (206) 296-6000.
- Does Ella Maierhofer accept Medicare?
- Ella Maierhofer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ella Maierhofer's NPI active?
- Yes — Ella Maierhofer's NPI (1023795978) is active in the NPPES registry as of the last update on 2024-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.