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Daniel G. Arkfeld, M.D.

NPI 1780610105ActiveIndividual· Internal Medicine, Rheumatology· Los Angeles, CA

Internal Medicine, Rheumatology (M.D.) with Usc Care Medical Group Inc, practicing in Los Angeles, California. Their prescriptions cost Medicare Part D more than their services did: $1,435,433 for 2,261 claims, against $45,947 paid for services in 2024. Amgen Inc. was the largest of 13 companies reporting payments in 2025, $57,149 in all, mostly speaking and faculty fees. Lists Keck Hospital of Usc and 1 other hospital as hospital affiliations.

Overview

NPI1780610105
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 25, 2006
Last updated in NPPESNov 5, 2020
Certified by providerNov 5, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500XG61240CA

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 - Rheumatology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients252
Services billed742 across 21 procedure codes
Paid by Medicare$45,947

Part D prescriptions in 2024

Prescriptions (claims)2,261 · 3,858 30-day fills
Patients211
Total drug cost$1,435,433
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Graduation year1986
Medicare specialtyRheumatology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$57,149 · 124 payments from 13 companies
  • 2024$57,928 · 146 payments from 13 companies

Top paying companies in 2025

CompanyAmountPayments
Amgen Inc.$19,14831
Genzyme Corporation$12,8046
Glaxosmithkline, LLC.$10,57128
Abbvie Inc.$7,31123
Janssen Biotech, Inc.$3,50015

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$38,502 · 16 payments
  • Consulting Fee$11,343 · 4 payments
  • Travel and Lodging$3,909 · 16 payments
  • Food and Beverage$3,318 · 87 payments
  • Education$76.99 · 1 payment

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

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