James Jung, MD
NPI 1912920919ActiveIndividual· Internal Medicine· Los Angeles, CA
Internal Medicine (MD) with James M Jung, practicing in Los Angeles, California. Their prescriptions cost Medicare Part D more than their services did: $4,477,034 for 36,710 claims, against $218,035 paid for services in 2024. Ardelyx, Inc. was the largest of 14 companies reporting payments in 2025, $1,043 in all, mostly food and beverage.
Overview
| NPI | 1912920919 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Feb 27, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A48898 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 307 |
|---|---|
| Services billed | 4,615 across 64 procedure codes |
| Paid by Medicare | $218,035 |
Part D prescriptions in 2024
| Prescriptions (claims) | 36,710 · 61,134 30-day fills |
|---|---|
| Patients | 1,035 |
| Total drug cost | $4,477,034 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- James M JungLos Angeles, CA · 2 clinicians
Other facilities
- Divine Home Health, IncHome health agency · La Mirada, CA
Industry payments (Open Payments)
- 2025$1,043 · 44 payments from 14 companies
- 2024$1,309 · 58 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $228.15 | 11 |
| Bayer Healthcare Pharmaceuticals Inc. | $202.90 | 8 |
| Abbvie Inc. | $131.16 | 6 |
| Gilead Sciences, Inc. | $126.90 | 5 |
| Astrazeneca Pharmaceuticals LP | $68.53 | 3 |
What the 2025 payments were for
- Food and Beverage$1,001 · 43 payments
- Education$42.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,782 internal medicine physicians in Los Angeles · All internal medicine physicians in California