John J. Hong, MD
NPI 1023088630ActiveIndividual· Internal Medicine, Gastroenterology· Fallbrook, CA
Internal Medicine, Gastroenterology (MD) in Fallbrook, California, trained at University of Miami, Lm Miller School of Medicine (class of 1996). 1,080 Medicare patients in 2024, $288,076 paid; nearly all of their 743 Part D prescriptions were generic (94%). Boston Scientific Corporation was the largest of 15 companies reporting payments in 2025, $1,416 in all, mostly food and beverage.
Overview
| NPI | 1023088630 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 25, 2006 |
| Last updated in NPPES | Jan 5, 2026 |
| Certified by provider | Jan 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A63582 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 1,080 |
|---|---|
| Services billed | 4,499 across 43 procedure codes |
| Paid by Medicare | $288,076 |
Part D prescriptions in 2024
| Prescriptions (claims) | 743 · 1,782 30-day fills |
|---|---|
| Patients | 345 |
| Total drug cost | $149,133 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Miami, Lm Miller School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- United Medical DoctorsMurrieta, CA · 173 clinicians
Industry payments (Open Payments)
- 2025$1,416 · 27 payments from 15 companies
- 2024$1,625 · 21 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $322.22 | 4 |
| Madrigal Pharmaceuticals | $178.64 | 6 |
| Phathom Pharmaceuticals, Inc. | $175.96 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $171.35 | 3 |
| Abbvie Inc. | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$1,416 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Fallbrook
- 1942621784
- 1952381659
- 1780664045
All Internal Medicine, Gastroenterology providers in California →