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

KATHERINE ANNE JOHNSON APRN-NP
NPI 1922812049
Nurse Practitioner in Milwaukee, WI

Q: What is Katherine Johnson's NPI number?

The NPI number for Katherine Johnson is 1922812049. It was assigned to this individual provider in the NPPES registry on February 7, 2025.

Q: What is Katherine Johnson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Johnson was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since February 07, 2025

9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 805-6850(414) 805-6864 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 17, 2026, Feb 7, 2025 (2 updates tracked since 2025).

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About Katherine Anne Johnson Aprn-np NPPES

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

KATHERINE ANNE JOHNSON APRN-NP (NPI 1922812049) is an individual nurse practitioner in Milwaukee, Wisconsin, licensed in Wisconsin (16247-33) and active in the NPI registry since February 2025. She maintains a secondary practice location in Kenosha.

NPPES Registry Identity

NPI1922812049

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameKATHERINE ANNE JOHNSONCredential: APRN-NP

Location Address9200 W WISCONSIN AVEMilwaukee, WI 53226-3522

Mailing Address9200 W Wisconsin AveMilwaukee, WI 53226-3522 · (414) 805-6850 · Fax (414) 805-6864

Phone(414) 805-6850

Fax(414) 805-6864

Sole ProprietorNo

Enumeration DateFebruary 7, 2025

Last NPPES UpdateSeptember 17, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 17, 2026

✔ NPI 1922812049 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in WI · 16247-33

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

9200 W WISCONSIN AVE, Milwaukee, WI 53226

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Secondary Practice Location 1

Location 14906 39th AveKenosha, WI 53144-2108 · Phone (262) 657-9390

Other Identifiers 1

Medicaid1922812049WI

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.

TRACY BLAIR WANDTKE HERRMANN APNP, CNM

Advanced Practice Midwife

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-4777

DR. ZACHARY SMITH DO

Internal Medicine (Gastroenterology)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 955-6830

DR. COLLEEN ANN CROWE M.D., M.P.H.

Emergency Medicine

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6469

ROBERTO MEJIAS APNP

Nurse Practitioner (Pediatrics)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6600

MRS. ANNE E B LAKATOS APN-BC, APNP, RN

Nurse Practitioner (Adult Health)

9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6850

MRS. AMANDA M MANDERS APNP

Nurse Practitioner (Adult Health)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6850

KATHLEEN A WATERHOUSE-SKIBICKI CRNA

Nurse Anesthetist, Certified Registered

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-5951

ANDREA L BEQUEST PA

Physician Assistant (Medical)

9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226

Milwaukee County (414) 955-0350

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 Katherine Johnson's NPI number?

The NPI number for Katherine Johnson is 1922812049. It was assigned to this individual provider in the NPPES registry on February 7, 2025.

Where is Katherine Johnson located?

Katherine Johnson practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-6850.

What is Katherine Johnson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Katherine Johnson was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.