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James Chan, DO

NPI 1144808973ActiveIndividual· Internal Medicine· Rochelle Park, NJ

Internal Medicine (DO) in Rochelle Park, New Jersey, trained at Touro Un College of Osteopathic Medicine, Vallejo (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $74,820 for 538 claims, against $23,173 paid for services in 2024. Biotissue Holdings Inc. was the largest of 3 companies reporting payments in 2025, $169.84 in all, mostly food and beverage.

Overview

NPI1144808973
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedApr 1, 2021
Last updated in NPPESDec 10, 2025
Certified by providerDec 10, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X25MB12170100NJ
Internal Medicine207R00000X328525NY

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 - Internal Medicine (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients119
Services billed362 across 24 procedure codes
Paid by Medicare$23,173

Part D prescriptions in 2024

Prescriptions (claims)538 · 921 30-day fills
Patients155
Total drug cost$74,820
Generic share80% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTouro Un College of Osteopathic Medicine, Vallejo
Graduation year2021
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$169.84 · 3 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Biotissue Holdings Inc.$138.581
Novo Nordisk Inc$16.271
Stryker Corporation$14.991

What the 2025 payments were for

  • Food and Beverage$153.57 · 2 payments
  • Education$16.27 · 1 payment

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

Other Internal Medicine providers in Rochelle Park

All Internal Medicine providers in New Jersey →