Bing Zhang
NPI 1245627454ActiveIndividual· Internal Medicine, Gastroenterology· Loma Linda, CA
Internal Medicine, Gastroenterology in Loma Linda, California, trained at University of California, San Diego School of Medicine (class of 2015). In 2024 Medicare paid $58,876 for 254 patients, and Part D covered 235 of their prescriptions, 74% of them generic. Janssen Biotech, Inc. was the largest of 5 companies reporting payments in 2025, $350.50 in all, mostly food and beverage.
Overview
| NPI | 1245627454 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 26, 2015 |
| Last updated in NPPES | Jun 3, 2026 |
| Certified by provider | Jun 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A144262 | CA |
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 | 254 |
|---|---|
| Services billed | 609 across 29 procedure codes |
| Paid by Medicare | $58,876 |
Part D prescriptions in 2024
| Prescriptions (claims) | 235 · 451 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $53,022 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Usc Care Medical Group IncLos Angeles, CA · 1,380 clinicians
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliations
- Keck Hospital of UscLos Angeles, CA
- Loma Linda University Medical CenterLoma Linda, CA
- Usc Verdugo Hills HospitalGlendale, CA
Industry payments (Open Payments)
- 2025$350.50 · 5 payments from 5 companies
- 2024$125.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $150.00 | 1 |
| Aimmune Therapeutics, Inc. | $124.99 | 1 |
| Celltrion USA Inc. | $39.22 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $19.75 | 1 |
| Novo Nordisk Inc | $16.54 | 1 |
What the 2025 payments were for
- Food and Beverage$350.50 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 gastroenterologists in Loma Linda · All gastroenterologists in California