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Leslie A. Gillum, M.D.

NPI 1275569089ActiveIndividual· Psychiatry & Neurology, Neurology· Walnut Creek, CA

Psychiatry & Neurology, Neurology (M.D.) in Walnut Creek, California, trained at University of California, San Francisco School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $528,907 for 1,503 claims, against $140,720 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $154.55 in all, mostly food and beverage.

Overview

NPI1275569089
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 23, 2006
Last updated in NPPESJul 13, 2021
Certified by providerJul 13, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Psychiatry & Neurology, Neurology Primary2084N0400XA83111CA

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 - Neurology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients448
Services billed4,559 across 35 procedure codes
Paid by Medicare$140,720

Part D prescriptions in 2024

Prescriptions (claims)1,503 · 3,315 30-day fills
Patients233
Total drug cost$528,907
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, San Francisco School of Medicine
Graduation year2000
Medicare specialtyNeurology

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$154.55 · 2 payments from 2 companies
  • 2024$567.32 · 23 payments from 12 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$126.341
Abbvie Inc.$28.211

What the 2025 payments were for

  • Food and Beverage$154.55 · 2 payments

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

Other Psychiatry & Neurology, Neurology providers in Walnut Creek

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