Mackenzie Mcmillan, ARNP, CPNP-AC
NPI 1366242836 · Critical Care Pediatric Nurse Practitioner · Tacoma, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mackenzie Mcmillan, ARNP, CPNP-AC is a Critical Care Pediatric Nurse Practitioner provider in Tacoma, WA (NPI 1366242836).
Provider details
- NPI number
- 1366242836
- Entity type
- Individual
- Primary specialty
- Critical Care Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP, CPNP-AC
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP61660439 (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
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
- 2025-03-14
- Last updated
- 2025-03-14
- Certified
- 2025-03-13
Frequently asked questions
- What is Mackenzie Mcmillan's NPI number?
- Mackenzie Mcmillan's National Provider Identifier (NPI) is 1366242836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mackenzie Mcmillan's specialty?
- Mackenzie Mcmillan is listed in the NPPES registry with a primary specialty of Critical Care Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mackenzie Mcmillan located?
- Mackenzie Mcmillan's practice location on file with NPPES is 316 M.l.k. Jr Way, Tacoma, WA 98403.
- What is Mackenzie Mcmillan's phone number?
- The practice phone number listed in the NPPES registry for Mackenzie Mcmillan is (509) 521-1951.
- Does Mackenzie Mcmillan accept Medicare?
- Mackenzie Mcmillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mackenzie Mcmillan's NPI active?
- Yes — Mackenzie Mcmillan's NPI (1366242836) is active in the NPPES registry as of the last update on 2025-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.