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Nader Noorian, M.D.

NPI 1861479057ActiveIndividual· Internal Medicine· Mission Viejo, CA

Internal Medicine (M.D.) in Mission Viejo, California, trained at University of Colorado School of Medicine, Denver (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $2,101,876 for 16,557 claims, against $247,193 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 30 companies reporting payments in 2025, $8,122 in all, mostly food and beverage.

Overview

NPI1861479057
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedDec 28, 2005
Last updated in NPPESNov 9, 2021
Certified by providerNov 9, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XG76596CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients669
Services billed13,774 across 75 procedure codes
Paid by Medicare$247,193

Part D prescriptions in 2024

Prescriptions (claims)16,557 · 38,165 30-day fills
Patients1,216
Total drug cost$2,101,876
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Colorado School of Medicine, Denver
Graduation year1991
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$8,122 · 269 payments from 30 companies
  • 2024$7,479 · 209 payments from 27 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$6,442 · 266 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,600 · 2 payments
  • Education$79.99 · 1 payment

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

Other Internal Medicine providers in Mission Viejo

All Internal Medicine providers in California →