Skip to content

Haley Jane Brewer, PA

NPI 1154044964ActiveIndividual· Physician Assistant· Lake Barrington, IL

Physician Assistant (PA) in Lake Barrington, Illinois, trained at Southern Illinois University School of Medicine (class of 2022). Their prescriptions cost Medicare Part D more than their services did: $187,415 for 1,606 claims, against $3,137 paid for services in 2024. Medical Device Business Services, Inc. was the largest of 2 companies reporting payments in 2025, $92.60 in all, mostly food and beverage.

Overview

NPI1154044964
StatusActive
Entity typeIndividual
CredentialPA
Sole proprietorYes
NPI issuedSep 26, 2022
Last updated in NPPESJan 10, 2024
Certified by providerJan 9, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000X085.009231IL

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Physician Assistant (NC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients37
Services billed83 across 32 procedure codes
Paid by Medicare$3,137

Part D prescriptions in 2024

Prescriptions (claims)1,606 · 3,672 30-day fills
Patients346
Total drug cost$187,415
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSouthern Illinois University School of Medicine
Graduation year2022
Medicare specialtyPhysician Assistant

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$92.60 · 2 payments from 2 companies
  • 2024$957.35 · 61 payments from 11 companies

Top paying companies in 2025

CompanyAmountPayments
Medical Device Business Services, Inc.$60.961
Abbvie Inc.$31.641

What the 2025 payments were for

  • Food and Beverage$92.60 · 2 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other physician assistants in Lake Barrington

All physician assistants in Illinois