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William Fuller Fearon, M.D.

NPI 1770671455ActiveIndividual· Internal Medicine, Interventional Cardiology· Stanford, CA

Internal Medicine, Interventional Cardiology (M.D.) in Stanford, California, trained at Columbia University College of Physicians and Surgeons (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $176,937 for 1,100 claims, against $100,892 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 6 companies reporting payments in 2025, $2,922 in all, mostly consulting fees.

Overview

NPI1770671455
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedOct 10, 2006
Last updated in NPPESApr 15, 2024
Certified by providerApr 15, 2024

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

Medicare services in 2024

Medicare patients353
Services billed649 across 29 procedure codes
Paid by Medicare$100,892

Part D prescriptions in 2024

Prescriptions (claims)1,100 · 3,007 30-day fills
Patients167
Total drug cost$176,937
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Medical schoolColumbia University College of Physicians and Surgeons
Graduation year1994
Medicare specialtyCardiovascular Disease (Cardiology)
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,922 · 9 payments from 6 companies
  • 2024$9,532 · 12 payments from 6 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$2,100 · 1 payment
  • Food and Beverage$821.66 · 8 payments

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

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