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Ronnie Isaac Mimran, MD

NPI 1821043498ActiveIndividual· Neurological Surgery· Castro Valley, CA

Neurological Surgery (MD) in Castro Valley, California, licensed in CA, with an NPI issued in May 2006. Mostly services rather than prescriptions: Medicare paid $15,685 for 64 patients in 2024, with only 18 Part D claims. Intrinsic Therapeutics was the largest of 2 companies reporting payments in 2025, $118.44 in all, mostly food and beverage.

Overview

NPI1821043498
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 23, 2006
Last updated in NPPESMay 4, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Neurological Surgery Primary207T00000XA90574CA

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 - Neurosurgery (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients64
Services billed91 across 12 procedure codes
Paid by Medicare$15,685

Part D prescriptions in 2024

Prescriptions (claims)18 · 22 30-day fills
Total drug cost$127.42
Generic share100% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$118.44 · 4 payments from 2 companies
  • 2024$4,425 · 21 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Intrinsic Therapeutics$79.823
Globus Medical, Inc.$38.621

What the 2025 payments were for

  • Food and Beverage$118.44 · 4 payments

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

Other neurosurgeons in Castro Valley

All neurosurgeons in California