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
| NPI | 1760645121 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 7, 2008 |
| Last updated in NPPES | Jul 24, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A113337 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 217 |
|---|---|
| Services billed | 866 across 44 procedure codes |
| Paid by Medicare | $67,660 |
Part D prescriptions in 2024
| Prescriptions (claims) | 721 · 1,407 30-day fills |
|---|---|
| Patients | 205 |
| Total drug cost | $140,509 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Genesis Healthcare Partners PCSan Francisco, CA · 228 clinicians
Hospital affiliation
- Usc Arcadia HospitalArcadia, CA
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
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $731.03 | 17 |
| Pfizer Inc. | $296.67 | 9 |
| Ardelyx, Inc. | $249.69 | 6 |
| Abbvie Inc. | $241.33 | 21 |
| Janssen Biotech, Inc. | $189.40 | 6 |
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
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