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Peter Chien Jr., MD, PHD

NPI 1609089077ActiveIndividual· Dermatology· Boston, MA

Dermatology (MD, PHD) in Boston, Massachusetts, trained at New York University School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $1,743,500 for 1,545 claims, against $58,815 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 3 companies reporting payments in 2025, $115.70 in all, mostly food and beverage.

Overview

NPI1609089077
StatusActive
Entity typeIndividual
CredentialMD, PHD
Sole proprietorNo
NPI issuedMay 8, 2007
Last updated in NPPESSep 16, 2024
Certified by providerSep 16, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000X240816MA
Dermatology207N00000X247913NY

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 - Dermatology (MA); Practitioner - Dermatology (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients467
Services billed1,142 across 36 procedure codes
Paid by Medicare$58,815

Part D prescriptions in 2024

Prescriptions (claims)1,545 · 1,883 30-day fills
Patients436
Total drug cost$1,743,500
Generic share76% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNew York University School of Medicine
Graduation year2005
Medicare specialtyDermatology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$115.70 · 5 payments from 3 companies
  • 2024$154.30 · 3 payments from 3 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$115.70 · 5 payments

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

Other dermatologists in Boston

All 274 dermatologists in Boston · All dermatologists in Massachusetts