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Matthew Stiles Bowdish, M.D.

NPI 1770767923ActiveIndividual· Allergy & Immunology· Roseville, CA

Allergy & Immunology (M.D.) in Roseville, California, trained at Northeastern Ohio University College of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,064,544 for 1,678 claims, against $290,576 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $2,188 in all, mostly food and beverage.

Overview

NPI1770767923
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedDec 24, 2007
Last updated in NPPESApr 18, 2023
Certified by providerApr 18, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Allergy & Immunology Primary207K00000XA92192CA
Allergy & Immunology207K00000X044700CT

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Allergy/Immunology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients413
Services billed23,264 across 21 procedure codes
Paid by Medicare$290,576

Part D prescriptions in 2024

Prescriptions (claims)1,678 · 2,413 30-day fills
Patients276
Total drug cost$1,064,544
Generic share55% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNortheastern Ohio University College of Medicine
Graduation year2001
Medicare specialtyAllergy/Immunology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,188 · 93 payments from 19 companies
  • 2024$12,524 · 108 payments from 22 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$497.1535
Genzyme Corporation$447.5115
Cochlear Americas$310.002
Csl Behring$188.938
Amgen Inc.$150.407

What the 2025 payments were for

  • Food and Beverage$2,129 · 90 payments
  • Education$58.18 · 3 payments

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

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