NPI Lens

Ramanand C. Dandillaya, M.D.

NPI 1508847187ActiveIndividual· Neurological Surgery· Santa Maria, CA

Neurological Surgery (M.D.) in Santa Maria, California, licensed in CA, with an NPI issued in November 2005. Their prescriptions cost Medicare Part D more than their services did: $131,147 for 1,216 claims, against $3,523 paid for services in 2024. Biotronik Nro, Inc. was the largest of 3 companies reporting payments in 2025, $144.76 in all, mostly food and beverage.

Overview

NPI1508847187
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedNov 9, 2005
Last updated in NPPESDec 4, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Neurological Surgery Primary207T00000XA35267CA

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 - Neurology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients86
Services billed93 across 5 procedure codes
Paid by Medicare$3,523

Part D prescriptions in 2024

Prescriptions (claims)1,216 · 1,747 30-day fills
Patients215
Total drug cost$131,147
Generic share94% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$144.76 · 3 payments from 3 companies
  • 2024$51.08 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Biotronik Nro, Inc.$99.401
Novo Nordisk Inc$25.731
Electromed, Inc.$19.631

What the 2025 payments were for

  • Food and Beverage$144.76 · 3 payments

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

Other neurosurgeons in Santa Maria

All neurosurgeons in California