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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MACKENZIE K SULLIVAN RN
NPI 1457211393
Nurse Practitioner - Psychiatric/Mental Health in Waukesha, WI

Active since November 13, 2025
N20W22961 WATERTOWN RD, WAUKESHA, WI 53186(608) 495-0485 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 24, 2026, Jul 14, 2026, Nov 13, 2025 (3 updates tracked since 2025).

About Mackenzie K Sullivan Rn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MACKENZIE K SULLIVAN RN (NPI 1457211393) is an individual psychiatric/mental health provider in Waukesha, Wisconsin, licensed in Wisconsin (18710-33) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1457211393
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMACKENZIE K SULLIVANCredential: RN
Location AddressN20W22961 WATERTOWN RDWaukesha, WI 53186-1308
Mailing AddressW11095 Lake View DrLodi, WI 53555-1523 · (608) 495-0485
Phone(608) 495-0485
Sole ProprietorNo
Enumeration DateNovember 13, 2025
Last NPPES UpdateJuly 24, 20263 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1457211393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WI · 18710-33
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License 1087534 (WI)
N20W22961 WATERTOWN RD, Waukesha, WI 53186
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATELYN RYMAN NP
Nurse Practitioner
N20W22961 WATERTOWN RD
WAUKESHA, WI 53186
Waukesha County (262) 875-5070
SARA M PETERS PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
N20W22961 WATERTOWN RD
WAUKESHA, WI 53186
Waukesha County (262) 875-4521
CHRISTINE ANN MALECHEK NP
Nurse Practitioner (Gerontology)
N20W22961 WATERTOWN RD
WAUKESHA, WI 53186
Waukesha County (262) 875-4521
SARAH MCBRIDE AG-CNS
Nurse Practitioner
N20W22961 WATERTOWN RD
WAUKESHA, WI 53186
Waukesha County (262) 875-5070
KATIE CRAWFORD APNP
Nurse Practitioner (Family)
N20W22961 WATERTOWN RD
WAUKESHA, WI 53186
Waukesha County (262) 875-5070
REBECCA JOY BLAND APNP
Nurse Practitioner (Acute Care)
N20W22961 WATERTOWN RD
WAUKESHA, WI 53186
Waukesha County (262) 875-4521
SOPHIA SMITH NP
Nurse Practitioner (Family)
N20W22961 WATERTOWN RD
WAUKESHA, WI 53186
Waukesha County (262) 875-5070
AMANDA LEE BONK APRN
Nurse Practitioner (Gerontology)
N20W22961 WATERTOWN RD
WAUKESHA, WI 53186
Waukesha County (262) 290-5990

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 Mackenzie Sullivan's NPI number?

The NPI number for Mackenzie Sullivan is 1457211393. It was assigned to this individual provider in the NPPES registry on November 13, 2025.

Where is Mackenzie Sullivan located?

Mackenzie Sullivan practices at N20w22961 Watertown Rd, Waukesha, WI 53186. The listed phone number is (608) 495-0485.

What is Mackenzie Sullivan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Mackenzie Sullivan was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.