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Hailey Marie Garrison

NPI 1629590732ActiveIndividual· Physician Assistant· Pomona, CA

Physician Assistant with Associated Gastroenterology Medical Group, practicing in Pomona, California. Part D covered 659 prescriptions written in 2024, 89% of them generic. Janssen Biotech, Inc. was the largest of 19 companies reporting payments in 2025, $2,099 in all, mostly food and beverage.

Overview

NPI1629590732
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedJul 10, 2017
Last updated in NPPESJul 10, 2017

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000X—CA

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 (CA)

Part D prescriptions in 2024

Prescriptions (claims)659 · 902 30-day fills
Patients405
Total drug cost$44,512
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Graduation year2017
Medicare specialtyPhysician Assistant

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,099 · 99 payments from 19 companies
  • 2024$1,554 · 79 payments from 15 companies

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$413.5313
Ardelyx, Inc.$338.0417
Madrigal Pharmaceuticals$219.5013
Genzyme Corporation$206.515
Lilly USA, LLC$193.575

What the 2025 payments were for

  • Food and Beverage$2,093 · 98 payments
  • Travel and Lodging$5.24 · 1 payment

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

Other physician assistants in Pomona

All 205 physician assistants in Pomona · All physician assistants in California