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Allison Mary Han, MD

NPI 1316408214ActiveIndividual· Dermatology, Pediatric Dermatology· San Diego, CA

Dermatology, Pediatric Dermatology (MD) in San Diego, California, trained at University of California, San Diego School of Medicine (class of 2019). Mostly services rather than prescriptions: Medicare paid $11,385 for 69 patients in 2024, with only 37 Part D claims. Janssen Biotech, Inc. was the largest of 4 companies reporting payments in 2025, $292.45 in all, mostly food and beverage.

Overview

NPI1316408214
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 26, 2019
Last updated in NPPESSep 24, 2024
Certified by providerSep 24, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology, Pediatric Dermatology Primary207NP0225XA182480CA
Dermatology207N00000XA182480CA

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 patients69
Services billed169 across 20 procedure codes
Paid by Medicare$11,385

Part D prescriptions in 2024

Prescriptions (claims)37 · 39 30-day fills
Patients25
Total drug cost$804.78
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, San Diego School of Medicine
Graduation year2019
Medicare specialtyDermatology

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$292.45 · 19 payments from 4 companies
  • 2024$157.60 · 3 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$160.8011
Genzyme Corporation$55.133
Incyte Corporation$43.373
Ucb, Inc.$33.152

What the 2025 payments were for

  • Food and Beverage$192.46 · 18 payments
  • Education$99.99 · 1 payment

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

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