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Cong Thanh Phan, M.D.

NPI 1386778033ActiveIndividual· Internal Medicine· Rancho Cucamonga, CA

Internal Medicine (M.D.) in Rancho Cucamonga, California, trained at Albany Medical College of Union University (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,199,745 for 13,135 claims, against $388,887 paid for services in 2024. Pfizer Inc. was the largest of 16 companies reporting payments in 2025, $540.29 in all, mostly food and beverage.

Overview

NPI1386778033
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedMar 15, 2007
Last updated in NPPESSep 27, 2024
Certified by providerSep 27, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA780920CA
Specialist174400000X00A780920—

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients615
Services billed4,455 across 29 procedure codes
Paid by Medicare$388,887

Part D prescriptions in 2024

Prescriptions (claims)13,135 · 25,880 30-day fills
Patients847
Total drug cost$1,199,745
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolAlbany Medical College of Union University
Graduation year2000
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$540.29 · 22 payments from 16 companies
  • 2024$441.36 · 15 payments from 9 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$540.29 · 22 payments

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

Other Internal Medicine providers in Rancho Cucamonga

All Internal Medicine providers in California →