Skip to content

William James Collins, M.D.

NPI 1659689032ActiveIndividual· Internal Medicine· Stanford, CA

Internal Medicine (M.D.) in Stanford, California, trained at University of California, San Francisco School of Medicine (class of 2010). In 2024 Medicare paid $35,291 for 144 patients, and Part D covered 70 of their prescriptions, 79% of them generic. Boston Scientific Corporation reported $24.57 in payments in 2025, mostly food and beverage.

Overview

NPI1659689032
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedSep 19, 2010
Last updated in NPPESApr 18, 2024
Certified by providerApr 18, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA117687CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients144
Services billed388 across 7 procedure codes
Paid by Medicare$35,291

Part D prescriptions in 2024

Prescriptions (claims)70 · 89 30-day fills
Patients33
Total drug cost$22,391
Generic share79% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, San Francisco School of Medicine
Graduation year2010
Medicare specialtyInternal Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$24.57 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Boston Scientific Corporation$24.571

What the 2025 payments were for

  • Food and Beverage$24.57 · 1 payment

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

Other internal medicine physicians in Stanford

All 394 internal medicine physicians in Stanford · All internal medicine physicians in California