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James Chiming Kao, MD

NPI 1760645121ActiveIndividual· Internal Medicine, Gastroenterology· Murrieta, CA

Internal Medicine, Gastroenterology (MD) in Murrieta, California, trained at Duke University School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $140,509 for 721 claims, against $67,660 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 11 companies reporting payments in 2025, $2,008 in all, mostly food and beverage.

Overview

NPI1760645121
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 7, 2008
Last updated in NPPESJul 24, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100XA113337CA

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

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

Medicare services in 2024

Medicare patients217
Services billed866 across 44 procedure codes
Paid by Medicare$67,660

Part D prescriptions in 2024

Prescriptions (claims)721 · 1,407 30-day fills
Patients205
Total drug cost$140,509
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolDuke University School of Medicine
Graduation year2003
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,008 · 73 payments from 11 companies
  • 2024$2,344 · 85 payments from 14 companies

Top paying companies in 2025

CompanyAmountPayments
Madrigal Pharmaceuticals$731.0317
Pfizer Inc.$296.679
Ardelyx, Inc.$249.696
Abbvie Inc.$241.3321
Janssen Biotech, Inc.$189.406

What the 2025 payments were for

  • Food and Beverage$2,008 · 73 payments

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

Other Internal Medicine, Gastroenterology providers in Murrieta

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