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FIONA ISAKU
NPI 1609703644
Physician Assistant in Waukesha, WI

Active since May 05, 2026
100 N EAST AVE, WAUKESHA, WI 53186(262) 524-7373 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Fiona Isaku NPPES

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

FIONA ISAKU (NPI 1609703644) is an individual physician assistant in Waukesha, Wisconsin and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1609703644
Entity TypeIndividual
Primary Taxonomy363A00000X
Provider Legal NameFIONA ISAKU
Location Address100 N EAST AVEWaukesha, WI 53186-3103
Mailing Address100 N East AveWaukesha, WI 53186-3103
Phone(262) 524-7373
Sole ProprietorNo
Enumeration DateMay 5, 2026
NPPES CertifiedMay 5, 2026
✔ NPI 1609703644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
100 N EAST AVE, 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.

JOSLYN GRACE HANSON
Student in an Organized Health Care Education/Training Program
100 N EAST AVE
WAUKESHA, WI 53186
Waukesha County (262) 524-7473
KRISTOPHER KARL HARTZ ATC
Specialist/Technologist (Athletic Trainer)
100 N EAST AVE
WAUKESHA, WI 53186
Waukesha County (262) 524-7701
MRS. ERIKA LYNNE MCKINNEY EDD, LAT, ATC, CHES
Specialist/Technologist (Athletic Trainer)
100 N EAST AVE
WAUKESHA, WI 53186
Waukesha County (419) 618-6018
MADELINE LINDE FARNSWORTH
Physician Assistant
100 N EAST AVE
WAUKESHA, WI 53186
Waukesha County (262) 524-7373
MR. THOMAS MICHAEL REGAN ATC
Specialist/Technologist (Athletic Trainer)
100 N EAST AVE
WAUKESHA, WI 53186
Waukesha County (847) 354-0130
ELINA SIRANOUSH GALOVICH
Specialist/Technologist (Athletic Trainer)
100 N EAST AVE
WAUKESHA, WI 53186
Waukesha County (262) 524-7373
ELIZABETH CLAIRE MYSTER
Physician Assistant
100 N EAST AVE
WAUKESHA, WI 53186
Waukesha County (262) 524-7373
BARBARA ANN SPYCHALLA APNP
Nurse Practitioner (Family)
100 N EAST AVE
WAUKESHA, WI 53186
Waukesha County (262) 524-7233

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 Fiona Isaku's NPI number?

The NPI number for Fiona Isaku is 1609703644. It was assigned to this individual provider in the NPPES registry on May 5, 2026.

Where is Fiona Isaku located?

Fiona Isaku practices at 100 N East Ave, Waukesha, WI 53186. The listed phone number is (262) 524-7373.

What is Fiona Isaku's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Fiona Isaku was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.