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Julie A. Mai, M.D.

NPI 1215990718ActiveIndividual· Radiology, Radiation Oncology· Saint Louis, MO

Radiology, Radiation Oncology (M.D.) in Saint Louis, Missouri, trained at Washington University School of Medicine (class of 1997). 208 Medicare patients in 2024, $69,496 paid; nearly all of their 115 Part D prescriptions were generic (93%). Regeneron Healthcare Solutions, Inc. was the largest of 10 companies reporting payments in 2025, $455.80 in all, mostly food and beverage.

Overview

NPI1215990718
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 7, 2006
Last updated in NPPESSep 4, 2009

Specialties and licenses

TaxonomyCodeLicenseState
Radiology, Radiation Oncology Primary2085R0001X2002004004MO

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 - Radiation Oncology (IL); Practitioner - Radiation Oncology (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients208
Services billed1,132 across 25 procedure codes
Paid by Medicare$69,496

Part D prescriptions in 2024

Prescriptions (claims)115 · 146 30-day fills
Patients46
Total drug cost$1,275
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWashington University School of Medicine
Graduation year1997
Medicare specialtyRadiation Oncology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$455.80 · 18 payments from 10 companies
  • 2024$441.92 · 21 payments from 10 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$455.80 · 18 payments

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

Other radiation oncologists in Saint Louis

All 66 radiation oncologists in Saint Louis · All radiation oncologists in Missouri