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Joseph T. Chao, MD

NPI 1861805210ActiveIndividual· Dermatology· San Francisco, CA

Dermatology (MD) in San Francisco, California, trained at University of Arizona College of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $471,787 for 780 claims, against $162,123 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $7,638 in all, mostly food and beverage.

Overview

NPI1861805210
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 3, 2014
Last updated in NPPESMar 7, 2023
Certified by providerMay 26, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000XA154992CA

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Dermatology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients430
Services billed1,958 across 54 procedure codes
Paid by Medicare$162,123

Part D prescriptions in 2024

Prescriptions (claims)780 · 909 30-day fills
Patients342
Total drug cost$471,787
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Arizona College of Medicine
Graduation year2015
Medicare specialtyDermatology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$7,638 · 201 payments from 17 companies
  • 2024$3,958 · 151 payments from 16 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$5,601 · 199 payments
  • Consulting Fee$1,950 · 1 payment
  • Education$86.99 · 1 payment

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

Other Dermatology providers in San Francisco

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