Skip to content

Duke William Clifford Hasson, M.D

NPI 1831489939ActiveIndividual· Orthopaedic Surgery· Orange, CA

Orthopaedic Surgery (M.D) in Orange, California, trained at University of Colorado School of Medicine, Denver (class of 2016). 318 Medicare patients in 2024, $169,149 paid; all of their 860 Part D prescriptions were generic. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $2,742 in all, mostly travel and lodging.

Overview

NPI1831489939
StatusActive
Entity typeIndividual
CredentialM.D
Sole proprietorNo
NPI issuedApr 11, 2011
Last updated in NPPESJul 21, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery Primary207X00000X146603CA

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 - Orthopedic Surgery (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients318
Services billed8,831 across 56 procedure codes
Paid by Medicare$169,149

Part D prescriptions in 2024

Prescriptions (claims)860 · 861 30-day fills
Patients124
Total drug cost$7,321
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Colorado School of Medicine, Denver
Graduation year2016
Medicare specialtyOrthopedic Surgery

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,742 · 12 payments from 2 companies
  • 2024$11,152 · 19 payments from 6 companies

Top paying companies in 2025

CompanyAmountPayments
Stryker Corporation$2,67611
Saxum Surgical, Inc.$66.171

What the 2025 payments were for

  • Travel and Lodging$2,124 · 2 payments
  • Food and Beverage$617.93 · 10 payments

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

Other Orthopaedic Surgery providers in Orange

All Orthopaedic Surgery providers in California →