Skip to content

Armin Marefat, D.O.

NPI 1629291000ActiveIndividual· Internal Medicine· Wilmington, DE

Internal Medicine (D.O.) in Wilmington, Delaware, trained at Philadelphia College of Osteopathic Medicine (class of 2005). 308 Medicare patients in 2024, $82,756 paid; nearly all of their 658 Part D prescriptions were generic (91%). Csl Behring was the largest of 5 companies reporting payments in 2025, $110.21 in all, mostly food and beverage.

Overview

NPI1629291000
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorYes
NPI issuedApr 11, 2007
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XC7-0003221DE

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 - Internal Medicine (DE)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients308
Services billed1,847 across 32 procedure codes
Paid by Medicare$82,756

Part D prescriptions in 2024

Prescriptions (claims)658 · 1,085 30-day fills
Patients202
Total drug cost$31,670
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Medical schoolPhiladelphia College of Osteopathic Medicine
Graduation year2005
Medicare specialtyInternal Medicine
Secondary specialtiesGastroenterology
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$110.21 · 5 payments from 5 companies
  • 2024$385.06 · 19 payments from 10 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$110.21 · 5 payments

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

Other Internal Medicine providers in Wilmington

All Internal Medicine providers in Delaware →