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Michael P. Castro, M.D.

NPI 1306834338ActiveIndividual· Internal Medicine, Medical Oncology· Los Angeles, CA

Internal Medicine, Medical Oncology (M.D.) in Los Angeles, California, trained at Columbia University College of Physicians and Surgeons (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $1,505,108 for 383 claims, against $80,211 paid for services in 2024. Intuitive Surgical, Inc. was the largest of 32 companies reporting payments in 2025, $2,913 in all, mostly food and beverage.

Overview

NPI1306834338
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedOct 13, 2005
Last updated in NPPESDec 12, 2016

Specialties and licenses

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 - Hematology/Oncology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients52
Services billed7,611 across 59 procedure codes
Paid by Medicare$80,211

Part D prescriptions in 2024

Prescriptions (claims)383 · 546 30-day fills
Patients49
Total drug cost$1,505,108
Generic share68% of claims

Medicare sources and data years

Education and affiliations

Medical schoolColumbia University College of Physicians and Surgeons
Graduation year1986
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,913 · 75 payments from 32 companies
  • 2024$837.74 · 26 payments from 16 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$2,017 · 69 payments
  • Travel and Lodging$895.38 · 6 payments

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

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