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William R. Gallivan Jr., M.D.

NPI 1790702777ActiveIndividual· Orthopaedic Surgery· Santa Barbara, CA

Orthopaedic Surgery (M.D.) in Santa Barbara, California, trained at Jefferson Medical College of Thomas Jefferson University (class of 1986). 1,197 Medicare patients in 2024, $658,044 paid; all of their 656 Part D prescriptions were generic. Stryker Corporation was the largest of 5 companies reporting payments in 2025, $4,291 in all, mostly travel and lodging.

Overview

NPI1790702777
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 16, 2006
Last updated in NPPESSep 27, 2015

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 - Orthopedic Surgery (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,197
Services billed4,787 across 102 procedure codes
Paid by Medicare$658,044

Part D prescriptions in 2024

Prescriptions (claims)656 · 662 30-day fills
Patients301
Total drug cost$11,408
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolJefferson Medical College of Thomas Jefferson University
Graduation year1986
Medicare specialtyOrthopedic Surgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$4,291 · 34 payments from 5 companies
  • 2024$1,076 · 13 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Travel and Lodging$2,745 · 9 payments
  • Food and Beverage$1,546 · 25 payments

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

Other orthopedic surgeons in Santa Barbara

All 40 orthopedic surgeons in Santa Barbara · All orthopedic surgeons in California