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Karren Takamura, MD

NPI 1851786339ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Hunt Valley, MD

Orthopaedic Surgery, Hand Surgery (MD) in Hunt Valley, Maryland, trained at University of California, Geffen School of Medicine (class of 2015). Mostly services rather than prescriptions: Medicare paid $37,555 for 125 patients in 2024, with only 25 Part D claims. Integra Lifesciences Corporation was the largest of 5 companies reporting payments in 2025, $2,174 in all, mostly travel and lodging.

Overview

NPI1851786339
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedApr 1, 2015
Last updated in NPPESMay 29, 2026
Certified by providerMay 29, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery, Hand Surgery Primary207XS0106XD0094958MD
Orthopaedic Surgery207X00000XD0094958MD

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 - Orthopedic Surgery (MD)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients125
Services billed314 across 64 procedure codes
Paid by Medicare$37,555

Part D prescriptions in 2024

Prescriptions (claims)25 · 25 30-day fills
Patients17
Total drug cost$270.51
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, Geffen School of Medicine
Graduation year2015
Medicare specialtyOrthopedic Surgery

Medical groups

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,174 · 18 payments from 5 companies
  • 2024$2,448 · 23 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Travel and Lodging$1,715 · 10 payments
  • Food and Beverage$458.52 · 8 payments

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

Other Orthopaedic Surgery, Hand Surgery providers in Hunt Valley

All Orthopaedic Surgery, Hand Surgery providers in Maryland