Benjamin Chung, MD
NPI 1326031923ActiveIndividual· Internal Medicine· Riverside, CA
Internal Medicine (MD) in Riverside, California, trained at Hahnemann University College of Medicine (class of 1985). 87 Medicare patients in 2024, $24,141 paid; nearly all of their 1,129 Part D prescriptions were generic (90%). Braintree Laboratories, Inc. reported $81.81 in payments in 2025, mostly gifts.
Overview
| NPI | 1326031923 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 30, 2005 |
| Last updated in NPPES | Nov 9, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G70147 | 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 | 87 |
|---|---|
| Services billed | 247 across 12 procedure codes |
| Paid by Medicare | $24,141 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,129 · 1,331 30-day fills |
|---|---|
| Patients | 343 |
| Total drug cost | $34,485 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Industry payments (Open Payments)
- 2025$81.81 · 1 payment from 1 company
- 2024$17.49 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Braintree Laboratories, Inc. | $81.81 | 1 |
What the 2025 payments were for
- Gift$81.81 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Riverside
- 1003294661
- 1003494147
- 1003872169
- 1013536069
- 1033236237
- 1073711453
- 1083695456
- 1093866469
- 1104074814
- 1114458809
- 1124022108
- 1154305639
All 246 internal medicine physicians in Riverside · All internal medicine physicians in California