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Clarissa David

NPI 1447970678ActiveIndividual· Nurse Practitioner· Orange, CA

Nurse Practitioner with Cor Healthcare Medical Associates, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $398,356 for 1,236 claims, against $1,689 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 8 companies reporting payments in 2025, $441.84 in all, mostly food and beverage. Lists Torrance Memorial Medical Center as a hospital affiliation.

Overview

NPI1447970678
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedAug 29, 2022
Last updated in NPPESJun 17, 2025
Certified by providerJun 17, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Nurse Practitioner Primary363L00000XNP95021389CA
Nurse Practitioner, Acute Care363LA2100X95021389CA

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 - Nurse Practitioner (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients26
Services billed34 across 7 procedure codes
Paid by Medicare$1,689

Part D prescriptions in 2024

Prescriptions (claims)1,236 · 3,033 30-day fills
Patients334
Total drug cost$398,356
Generic share72% of claims

Medicare sources and data years

Education and affiliations

Graduation year2022
Medicare specialtyNurse Practitioner
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$441.84 · 21 payments from 8 companies
  • 2024$901.70 · 40 payments from 12 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$441.84 · 21 payments

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

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