Hongha T. Vu James, M.D.
NPI 1174798805ActiveIndividual· Internal Medicine, Gastroenterology· Walnut Creek, CA
Internal Medicine, Gastroenterology (M.D.) in Walnut Creek, California, trained at Washington University School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $135,853 for 791 claims, against $58,364 paid for services in 2024. Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $293.68 in all, mostly food and beverage.
Overview
| NPI | 1174798805 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 24, 2008 |
| Last updated in NPPES | Sep 17, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A143635 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | 2013013936 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 278 |
|---|---|
| Services billed | 508 across 26 procedure codes |
| Paid by Medicare | $58,364 |
Part D prescriptions in 2024
| Prescriptions (claims) | 791 · 1,630 30-day fills |
|---|---|
| Patients | 260 |
| Total drug cost | $135,853 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Gastroenterology |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$293.68 · 8 payments from 6 companies
- 2024$698.11 · 15 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $124.55 | 1 |
| Lilly USA, LLC | $61.13 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $44.94 | 2 |
| Janssen Biotech, Inc. | $27.03 | 1 |
| Madrigal Pharmaceuticals | $20.08 | 1 |
What the 2025 payments were for
- Food and Beverage$293.68 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 gastroenterologists in Walnut Creek · All gastroenterologists in California