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Daniel Butler, M.D.

NPI 1013320738ActiveIndividual· Internal Medicine· San Francisco, CA

Internal Medicine (M.D.) in San Francisco, California, trained at University of Arizona College of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $392,600 for 363 claims, against $87,087 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 14 companies reporting payments in 2025, $239,707 in all, mostly speaking and faculty fees.

Overview

NPI1013320738
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJun 10, 2014
Last updated in NPPESSep 26, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XR74466AZ

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 - Dermatology (AZ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients577
Services billed1,829 across 45 procedure codes
Paid by Medicare$87,087

Part D prescriptions in 2024

Prescriptions (claims)363 · 543 30-day fills
Patients148
Total drug cost$392,600
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Arizona College of Medicine
Graduation year2014
Medicare specialtyDermatology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$239,707 · 150 payments from 14 companies
  • 2024$70,499 · 51 payments from 11 companies

Top paying companies in 2025

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$167,245 · 37 payments
  • Consulting Fee$54,914 · 17 payments
  • Travel and Lodging$13,425 · 31 payments
  • Food and Beverage$4,034 · 63 payments
  • Education$89.64 · 2 payments

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

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