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Robert L. Neilan, M.D.

NPI 1689763724ActiveIndividual· Hospitalist· Fountain Valley, CA

Hospitalist (M.D.) in Fountain Valley, California, trained at West Virginia University School of Medicine (class of 1994). In 2024 Medicare paid $81,064 for 331 patients, and Part D covered 339 of their prescriptions, 83% of them generic.

Overview

NPI1689763724
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedOct 12, 2006
Last updated in NPPESMar 27, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Hospitalist Primary208M00000XA70376CA

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 patients331
Services billed952 across 9 procedure codes
Paid by Medicare$81,064

Part D prescriptions in 2024

Prescriptions (claims)339 · 352 30-day fills
Patients170
Total drug cost$28,180
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWest Virginia University School of Medicine
Graduation year1994
Medicare specialtyInternal Medicine

Medical group

Hospital affiliation

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

Other hospitalists in Fountain Valley

All 15 hospitalists in Fountain Valley · All hospitalists in California