JENNIFER MALLAS OTR
NPI 1497133151
Occupational Therapist in Brookfield, WI

Active since May 14, 2015Accepts Medicare Assignment
1350 S SUNNY SLOPE RD, BROOKFIELD, WI 53005(414) 805-9600(414) 805-9645 Get Directions Write a Review

NPPES record last updated: May 14, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Jennifer Mallas Otr NPPES

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

JENNIFER MALLAS OTR (NPI 1497133151) is an individual occupational therapist in Brookfield, Wisconsin, licensed in Wisconsin (0756) and active in the NPI registry since May 2015. She is a graduate of Other (1984).

NPPES Registry Identity

NPI1497133151
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameJENNIFER MALLASCredential: OTR
Location Address1350 S SUNNY SLOPE RDBrookfield, WI 53005-7060
Mailing Address1350 S Sunny Slope RdBrookfield, WI 53005-7060 · (414) 805-9600 · Fax (414) 805-9645
Fax(414) 805-9645
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateMay 14, 2015
✔ NPI 1497133151 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 · 0756
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.
1350 S SUNNY SLOPE RD, Brookfield, WI 53005

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jennifer Mallas Otr is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42510893
PECOS Enrollment IDI20151130001033

Medicare Billing Reassignments

2

Medicare enrollment records show Jennifer Mallas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,294 clinicians in this Medicare group
Internal Medicine
400 W RIVER WOODS PKWY
Glendale, WI 53212
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,343 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.

Physician Assistant
1350 S SUNNY SLOPE RD
BROOKFIELD, WI 53005
Physical Therapist
1350 S SUNNY SLOPE RD
BROOKFIELD, WI 53005
Family Medicine
1350 S SUNNY SLOPE RD, SUNNYSLOPE PRIMARY CARE CLINIC
BROOKFIELD, WI 53005
Surgery
1350 S SUNNY SLOPE RD
BROOKFIELD, WI 53005
Nurse Practitioner (Family)
1350 S SUNNY SLOPE RD
BROOKFIELD, WI 53005
Family Medicine
1350 S SUNNY SLOPE RD
BROOKFIELD, WI 53005
Nurse Practitioner
1350 S SUNNY SLOPE RD
BROOKFIELD, WI 53005
Internal Medicine
1350 S SUNNY SLOPE RD, SUNNYSLOPE PRIMARY CARE CLINIC
BROOKFIELD, WI 53005

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 Jennifer Mallas's NPI number?

The NPI number for Jennifer Mallas is 1497133151. It was assigned to this individual provider in the NPPES registry on May 14, 2015.

Where is Jennifer Mallas located?

Jennifer Mallas practices at 1350 S Sunny Slope Rd, Brookfield, WI 53005. The listed phone number is (414) 805-9600.

What is Jennifer Mallas's specialty?

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

Is Jennifer Mallas enrolled in Medicare?

Yes. Jennifer Mallas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jennifer Mallas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Mallas reassigns Medicare benefits to 2 organizations: Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI) and Ascension Medical Group-Southeast Wisconsin Inc (Glendale, 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 Jennifer Mallas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jennifer Mallas was last updated on May 14, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.