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Ian C. Riddock, M.D.

NPI 1669582870ActiveIndividual· Internal Medicine, Cardiovascular Disease· Bend, OR

Internal Medicine, Cardiovascular Disease (M.D.) in Bend, Oregon, trained at Uniformed Services Uhs Fe Hebert School of Med (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $977,917 for 3,362 claims, against $392,616 paid for services in 2024. Amgen Inc. was the largest of 11 companies reporting payments in 2025, $1,146 in all, mostly food and beverage.

Overview

NPI1669582870
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 30, 2006
Last updated in NPPESApr 16, 2026
Certified by providerApr 16, 2026

Specialties and licenses

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 - Cardiovascular Disease (Cardiology) (OR)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients2,282
Services billed9,503 across 104 procedure codes
Paid by Medicare$392,616

Part D prescriptions in 2024

Prescriptions (claims)3,362 · 9,001 30-day fills
Patients751
Total drug cost$977,917
Generic share78% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniformed Services Uhs Fe Hebert School of Med
Graduation year2002
Medicare specialtyCardiovascular Disease (Cardiology)
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,146 · 21 payments from 11 companies
  • 2024$2,691 · 38 payments from 14 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,146 · 21 payments

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

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