NPI Lens

Riza Grace Nielsen, NP

NPI 1174956064ActiveIndividual· Nurse Practitioner· Torrance, CA

Nurse Practitioner (NP) in Torrance, California, licensed in CA, with an NPI issued in August 2013. 96 Medicare patients in 2024, $11,789 paid; all of their 74 Part D prescriptions were generic.

Overview

NPI1174956064
StatusActive
Entity typeIndividual
CredentialNP
Sole proprietorNo
NPI issuedAug 14, 2013
Last updated in NPPESDec 13, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Nurse Practitioner Primary363L00000X23066CA

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 - Nurse Practitioner (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients96
Services billed311 across 41 procedure codes
Paid by Medicare$11,789

Part D prescriptions in 2024

Prescriptions (claims)74 · 80 30-day fills
Patients33
Total drug cost$1,272
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Graduation year2011
Medicare specialtyNurse Practitioner

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other nurse practitioners in Torrance

All 82 nurse practitioners in Torrance · All nurse practitioners in California