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Dong W. Mun, MD

NPI 1053346940ActiveIndividual· Internal Medicine· Los Angeles, CA

Internal Medicine (MD) in Los Angeles, California, licensed in CA, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $893,500 for 13,981 claims, against $284,391 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $92.04 in all, mostly food and beverage. Lists Hollywood Presbyterian Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1053346940
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 11, 2006
Last updated in NPPESOct 26, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA66714CA

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients510
Services billed4,381 across 18 procedure codes
Paid by Medicare$284,391

Part D prescriptions in 2024

Prescriptions (claims)13,981 · 14,122 30-day fills
Patients458
Total drug cost$893,500
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Graduation year1987
Medicare specialtyInternal Medicine

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$92.04 · 4 payments from 2 companies
  • 2024$93.33 · 5 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$70.703
Smith+nephew, Inc.$21.341

What the 2025 payments were for

  • Food and Beverage$92.04 · 4 payments

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

Other Internal Medicine providers in Los Angeles

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