Skip to content

Matthew M. McDiarmid, DO

NPI 1003234162ActiveIndividual· Internal Medicine, Interventional Cardiology· Thornton, CO

Internal Medicine, Interventional Cardiology (DO) in Thornton, Colorado, trained at Nova Southeastern College of Osteo Medicine (class of 2014). In 2024 Medicare paid $280,276 for 408 patients, and Part D covered 1,545 of their prescriptions, 78% of them generic. Penumbra, Inc. was the largest of 35 companies reporting payments in 2025, $9,584 in all, mostly food and beverage.

Overview

NPI1003234162
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedApr 4, 2014
Last updated in NPPESMay 17, 2022
Certified by providerMay 16, 2022

Specialties and licenses

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Interventional Cardiology (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients408
Services billed3,643 across 98 procedure codes
Paid by Medicare$280,276

Part D prescriptions in 2024

Prescriptions (claims)1,545 · 3,264 30-day fills
Patients229
Total drug cost$310,519
Generic share78% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNova Southeastern College of Osteo Medicine
Graduation year2014
Medicare specialtyInterventional Cardiology
Secondary specialtiesCardiovascular Disease (Cardiology)
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$9,584 · 137 payments from 35 companies
  • 2024$5,514 · 150 payments from 38 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$4,226 · 122 payments
  • Travel and Lodging$3,399 · 14 payments
  • Long term medical supply or device loan$1,958 · 1 payment

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

Other Internal Medicine, Interventional Cardiology providers in Thornton

All Internal Medicine, Interventional Cardiology providers in Colorado →