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Maria Therese Dela Merced, NP

NPI 1255971743ActiveIndividual· Nurse Practitioner, Gerontology· Reseda, CA

Nurse Practitioner, Gerontology (NP) in Reseda, California, licensed in CA, with an NPI issued in January 2020. Their prescriptions cost Medicare Part D more than their services did: $215,683 for 2,084 claims, against $1,879 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. reported $137.23 in payments in 2025, mostly food and beverage.

Overview

NPI1255971743
StatusActive
Entity typeIndividual
CredentialNP
Sole proprietorNo
NPI issuedJan 13, 2020
Last updated in NPPESJul 11, 2023
Certified by providerJul 11, 2023

Specialties and licenses

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 patients14
Services billed30 across 9 procedure codes
Paid by Medicare$1,879

Part D prescriptions in 2024

Prescriptions (claims)2,084 · 5,109 30-day fills
Patients171
Total drug cost$215,683
Generic share87% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$137.23 · 5 payments from 1 company
  • 2024$69.42 · 3 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Bayer Healthcare Pharmaceuticals Inc.$137.235

What the 2025 payments were for

  • Food and Beverage$137.23 · 5 payments

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

Other gerontology nurse practitioners in Reseda

All gerontology nurse practitioners in California