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Ryan Courtney Fields, MD

NPI 1912900440ActiveIndividual· Surgery, Surgical Oncology· Saint Louis, MO

Surgery, Surgical Oncology (MD) with University of Rochester Surgical Associates, practicing in Saint Louis, Missouri. Mostly services rather than prescriptions: Medicare paid $86,740 for 169 patients in 2024, with only 49 Part D claims. Lilly USA, LLC reported $122.95 in payments in 2024, mostly food and beverage. Lists Barnes Jewish Hospital and 2 other hospitals as hospital affiliations.

Overview

NPI1912900440
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 30, 2005
Last updated in NPPESApr 17, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Surgery, Surgical Oncology Primary2086X0206X2004032568MO
Surgery208600000X2004032568MO

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 - Surgical Oncology (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients169
Services billed384 across 55 procedure codes
Paid by Medicare$86,740

Part D prescriptions in 2024

Prescriptions (claims)49 · 53 30-day fills
Patients26
Total drug cost$32,316
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year2003
Medicare specialtySurgical Oncology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$122.95 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Lilly USA, LLC$122.951

What the 2024 payments were for

  • Food and Beverage$122.95 · 1 payment

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

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