Skip to content

Deanna Yamamura, D.O.

NPI 1851752273ActiveIndividual· Internal Medicine, Cardiovascular Disease· Harlingen, TX

Internal Medicine, Cardiovascular Disease (D.O.) with South Heart Clinic, PLLC, practicing in Harlingen, Texas. Their prescriptions cost Medicare Part D more than their services did: $460,698 for 2,071 claims, against $84,627 paid for services in 2024. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $270.51 in all, mostly food and beverage. Lists Doctors Hosptal at Renaissance and 3 other hospitals as hospital affiliations.

Overview

NPI1851752273
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedMar 11, 2016
Last updated in NPPESFeb 25, 2026
Certified by providerFeb 25, 2026

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 - Internal Medicine (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients531
Services billed1,222 across 61 procedure codes
Paid by Medicare$84,627

Part D prescriptions in 2024

Prescriptions (claims)2,071 · 4,899 30-day fills
Patients430
Total drug cost$460,698
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Graduation year2015
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$270.51 · 4 payments from 4 companies
  • 2024$154.61 · 3 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Novo Nordisk Inc$115.431
Abbott Laboratories$94.651
Abiomed$41.201
Astrazeneca Pharmaceuticals LP$19.231

What the 2025 payments were for

  • Food and Beverage$270.51 · 4 payments

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

Other cardiologists in Harlingen

All 24 cardiologists in Harlingen · All cardiologists in Texas