Jack Dinh, M.D.
NPI 1356366876ActiveIndividual· Internal Medicine· Murrieta, CA
Internal Medicine (M.D.) with Inland Empire Gastroenterology Medical Group, Inc., practicing in Murrieta, California. Their prescriptions cost Medicare Part D more than their services did: $556,991 for 2,049 claims, against $92,055 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $2,152 in all, mostly food and beverage. Lists Loma Linda University Medical Center-Murrieta and 1 other hospital as hospital affiliations.
Overview
| NPI | 1356366876 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Jan 9, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA07782100 | NJ |
| Internal Medicine, Gastroenterology | 207RG0100X | A97273 | 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 | 432 |
|---|---|
| Services billed | 824 across 30 procedure codes |
| Paid by Medicare | $92,055 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,049 · 3,288 30-day fills |
|---|---|
| Patients | 589 |
| Total drug cost | $556,991 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Inland Empire Gastroenterology Medical Group, Inc.Murrieta, CA · 6 clinicians
Hospital affiliations
- Loma Linda University Medical Center-MurrietaMurrieta, CA
- Southwest Healthcare Rancho Springs HospitalMurrieta, CA
Industry payments (Open Payments)
- 2025$2,152 · 101 payments from 17 companies
- 2024$2,245 · 108 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $483.43 | 31 |
| Janssen Biotech, Inc. | $358.44 | 16 |
| Pfizer Inc. | $246.53 | 11 |
| Takeda Pharmaceuticals U.S.A., Inc. | $217.43 | 9 |
| Madrigal Pharmaceuticals | $166.36 | 5 |
What the 2025 payments were for
- Food and Beverage$2,152 · 101 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Murrieta
- 1073587887
- 1073932133
- 1083607295
- 1144330051
- 1265406797
- 1356647788
- 1477518520
- 1699771022
- 1780603852
- 1801998174
- 1831191287
- 1841380565
All 59 internal medicine physicians in Murrieta · All internal medicine physicians in California