Skip to content

Asha Muthuraman Iyer, MD, PHD

NPI 1831410299ActiveIndividual· Neurological Surgery· Sacramento, CA

Neurological Surgery (MD, PHD) with Sutter Valley Medical Foundation, practicing in Sacramento, California. 75 Medicare patients in 2024, $37,435 paid; all of their 120 Part D prescriptions were generic. Ossdsign USA Incorporated was the largest of 5 companies reporting payments in 2025, $273.18 in all, mostly food and beverage. Lists Sutter Amador Hospital and 4 other hospitals as hospital affiliations.

Overview

NPI1831410299
StatusActive
Entity typeIndividual
CredentialMD, PHD
Sole proprietorNo
NPI issuedJun 18, 2010
Last updated in NPPESMar 7, 2025
Certified by providerMar 7, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Neurological Surgery Primary207T00000XA149696CA
Neurological Surgery207T00000X25MA10453800NJ

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); Practitioner - Neurosurgery (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients75
Services billed156 across 31 procedure codes
Paid by Medicare$37,435

Part D prescriptions in 2024

Prescriptions (claims)120 · 124 30-day fills
Patients55
Total drug cost$899.47
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Graduation year2010
Medicare specialtyNeurosurgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$273.18 · 5 payments from 5 companies
  • 2024$5,418 · 52 payments from 7 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$273.18 · 5 payments

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

Other neurosurgeons in Sacramento

All 61 neurosurgeons in Sacramento · All neurosurgeons in California