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Mary Katherine Llarena, FNP-C

NPI 1447793211ActiveIndividual· Nurse Practitioner· Santa Maria, CA

Nurse Practitioner (FNP-C) in Santa Maria, California, licensed in CA, with an NPI issued in November 2016. Part D covered 59 prescriptions written in 2024, 73% of them generic. Amgen Inc. was the largest of 14 companies reporting payments in 2025, $2,008 in all, mostly food and beverage.

Overview

NPI1447793211
StatusActive
Entity typeIndividual
CredentialFNP-C
Sole proprietorYes
NPI issuedNov 29, 2016
Last updated in NPPESAug 24, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Nurse Practitioner Primary363L00000X95005344CA

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 Order and Referring Only - Nurse Practitioner (CA)

Part D prescriptions in 2024

Prescriptions (claims)59 · 150 30-day fills
Patients21
Total drug cost$24,946
Generic share73% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$2,008 · 82 payments from 14 companies
  • 2024$2,962 · 97 payments from 20 companies

Top paying companies in 2025

CompanyAmountPayments
Amgen Inc.$502.6921
Merck Sharp & Dohme LLC$253.806
Esperion Therapeutics, Inc.$223.3813
Pfizer Inc.$171.4618
Lilly USA, LLC$124.881

What the 2025 payments were for

  • Food and Beverage$2,008 · 82 payments

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

Other nurse practitioners in Santa Maria

All 22 nurse practitioners in Santa Maria · All nurse practitioners in California