Chris Changeun Shin, M.D.
NPI 1326060179ActiveIndividual· Internal Medicine· Anaheim, CA
Internal Medicine (M.D.) with James M Jung, practicing in Anaheim, California. Their prescriptions cost Medicare Part D more than their services did: $817,372 for 6,426 claims, against $118,772 paid for services in 2024. Lilly USA, LLC was the largest of 7 companies reporting payments in 2025, $402.74 in all, mostly food and beverage.
Overview
| NPI | 1326060179 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 24, 2006 |
| Last updated in NPPES | Dec 14, 2023 |
| Certified by provider | Dec 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A61649 | 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 | 276 |
|---|---|
| Services billed | 2,136 across 60 procedure codes |
| Paid by Medicare | $118,772 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,426 · 10,502 30-day fills |
|---|---|
| Patients | 720 |
| Total drug cost | $817,372 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- James M JungLos Angeles, CA · 2 clinicians
Other facilities
- Ace Home Health, Inc.Home health agency · Los Angeles, CA
- Western Home Care, IncHome health agency · Buena Park, CA
Industry payments (Open Payments)
- 2025$402.74 · 13 payments from 7 companies
- 2024$527.70 · 22 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $135.74 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $113.42 | 4 |
| Aimmune Therapeutics, Inc. | $55.53 | 3 |
| Gilead Sciences, Inc. | $30.63 | 1 |
| Abbvie Inc. | $23.34 | 1 |
What the 2025 payments were for
- Food and Beverage$402.74 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 235 internal medicine physicians in Anaheim · All internal medicine physicians in California