KATELYN HOLLARBUSH
NPI 1386470441
Occupational Therapist in Greenfield, WI

Active since September 13, 2024
9000 W SURA LN, GREENFIELD, WI 53228(414) 246-6800(414) 246-6405 Get Directions Write a Review

NPPES record last updated: June 25, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 25, 2025, Jun 2, 2025, Sep 13, 2024 (3 updates tracked since 2024).

About Katelyn Hollarbush NPPES

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

KATELYN HOLLARBUSH (NPI 1386470441) is an individual occupational therapist in Greenfield, Wisconsin, licensed in Wisconsin (8070) and active in the NPI registry since September 2024. She maintains a secondary practice location in Brookfield.

NPPES Registry Identity

NPI1386470441
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameKATELYN HOLLARBUSH
Location Address9000 W SURA LNGreenfield, WI 53228-3477
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Fax(414) 246-6405
Sole ProprietorNo
Enumeration DateSeptember 13, 2024
Last NPPES UpdateJune 25, 20253 updates tracked since enumeration
NPPES CertifiedJune 25, 2025
✔ NPI 1386470441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
License✔ Licensed in WI · 8070
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
9000 W SURA LN, Greenfield, WI 53228

Secondary Practice Location 1

Location 13360 Gateway Rd Ste 200Brookfield, WI 53045-5115 · Phone (414) 964-4777

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katelyn Hollarbush is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

3

Medicare enrollment records show Katelyn Hollarbush reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
Family Medicine
2000 E LAYTON AVE STE 100
Saint Francis, WI 53235
  • Reassigned Medicare billing, Wisconsin enrollment
  • 960 clinicians in this Medicare group
Family Medicine
3003 W GOOD HOPE RD
Milwaukee, WI 53209
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,615 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Occupational Therapist
9000 W SURA LN
GREENFIELD, WI 53228
Physical Therapist
9000 W SURA LN
GREENFIELD, WI 53228
Physical Therapist
9000 W SURA LN
GREENFIELD, WI 53228
Pharmacist
9000 W SURA LN
GREENFIELD, WI 53228
Occupational Therapist
9000 W SURA LN
GREENFIELD, WI 53228
Physical Therapist
9000 W SURA LN
GREENFIELD, WI 53228
Speech-Language Pathologist
9000 W SURA LN
GREENFIELD, WI 53228
Pediatrics
9000 W SURA LN
GREENFIELD, WI 53228

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 Katelyn Hollarbush's NPI number?

The NPI number for Katelyn Hollarbush is 1386470441. It was assigned to this individual provider in the NPPES registry on September 13, 2024.

Where is Katelyn Hollarbush located?

Katelyn Hollarbush practices at 9000 W Sura Ln, Greenfield, WI 53228. The listed phone number is (414) 246-6800.

What is Katelyn Hollarbush's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Katelyn Hollarbush enrolled in Medicare?

Yes. Katelyn Hollarbush is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katelyn Hollarbush's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katelyn Hollarbush reassigns Medicare benefits to 3 organizations: Aurora Medical Group, Inc. (West Allis, WI), Lakeshore Medical Clinic, LLC (Saint Francis, WI) and Aurora Advanced Healthcare, Inc. (Milwaukee, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katelyn Hollarbush's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katelyn Hollarbush accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare) and UnitedHealthcare list Katelyn Hollarbush as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katelyn Hollarbush was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.