William Nix, ARNP
NPI 1578516019 · Neonatal Nurse Practitioner · Tacoma, WA
William Nix, ARNP is a Neonatal Nurse Practitioner provider in Tacoma, WA (NPI 1578516019).
Provider details
- NPI number
- 1578516019
- Entity type
- Individual
- Primary specialty
- Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Male
- Sole proprietor
- No
- License
- AP30004418 (WA)
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
20 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
- 2006-05-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Nix's NPI number?
- William Nix's National Provider Identifier (NPI) is 1578516019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Nix's specialty?
- William Nix is listed in the NPPES registry with a primary specialty of Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Nix located?
- William Nix's practice location on file with NPPES is 315 Martin Luther King Jr Way, Tacoma, WA 98405-4234.
- What is William Nix's phone number?
- The practice phone number listed in the NPPES registry for William Nix is (253) 403-1019.
- Is William Nix's NPI active?
- Yes — William Nix's NPI (1578516019) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.