NPI Lens

James Walden Knight, M.D.

NPI 1639282643ActiveIndividual· Surgery, Vascular Surgery· Saint Louis, MO

Surgery, Vascular Surgery (M.D.) in Saint Louis, Missouri, trained at Saint Louis University School of Medicine (class of 1975). 49 Medicare patients in 2024, $46,690 paid; nearly all of their 421 Part D prescriptions were generic (95%).

Overview

NPI1639282643
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedAug 16, 2006
Last updated in NPPESJan 20, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Surgery, Vascular Surgery Primary2086S0129X36181MO
Surgery208600000X36181MO

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 - Vascular Surgery (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients49
Services billed677 across 13 procedure codes
Paid by Medicare$46,690

Part D prescriptions in 2024

Prescriptions (claims)421 · 840 30-day fills
Patients41
Total drug cost$17,439
Generic share95% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSaint Louis University School of Medicine
Graduation year1975
Medicare specialtyVascular Surgery
Secondary specialtiesInterventional Pain Management, Peripheral Vascular Disease

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

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