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Daniel Nagasawa, MD

NPI 1578820536ActiveIndividual· Neurological Surgery· Santa Monica, CA

Neurological Surgery (MD) in Santa Monica, California, trained at University of California, Irvine, California College of Medicine (class of 2012). Mostly services rather than prescriptions: Medicare paid $182,106 for 230 patients in 2024, with only 29 Part D claims. Globus Medical, Inc. was the largest of 8 companies reporting payments in 2025, $2,208 in all, mostly food and beverage.

Overview

NPI1578820536
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 16, 2012
Last updated in NPPESMay 29, 2025

Specialties and licenses

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 patients230
Services billed695 across 43 procedure codes
Paid by Medicare$182,106

Part D prescriptions in 2024

Prescriptions (claims)29 · 71 30-day fills
Patients19
Total drug cost$9,750
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, Irvine, California College of Medicine
Graduation year2012
Medicare specialtyNeurosurgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,208 · 47 payments from 8 companies
  • 2024$520.51 · 11 payments from 9 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$2,208 · 47 payments

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

Other neurosurgeons in Santa Monica

All 27 neurosurgeons in Santa Monica · All neurosurgeons in California