Jyh C. Chang, M.D.
NPI 1346259595ActiveIndividual· Internal Medicine· Baldwin Park, CA
Internal Medicine (M.D.) with Jyh C Chang MD Professional Corporation, practicing in Baldwin Park, California. Their prescriptions cost Medicare Part D more than their services did: $570,223 for 6,145 claims, against $28,531 paid for services in 2024. Novo Nordisk Inc reported $27.31 in payments in 2025, mostly food and beverage. Lists Emanate Health Inter-Community Hospital as a hospital affiliation.
Overview
| NPI | 1346259595 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Jan 13, 2026 |
| Certified by provider | Jan 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A46003 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 108 |
|---|---|
| Services billed | 400 across 12 procedure codes |
| Paid by Medicare | $28,531 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,145 · 13,127 30-day fills |
|---|---|
| Patients | 498 |
| Total drug cost | $570,223 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Jyh C Chang MD Professional CorporationBaldwin Park, CA · 2 clinicians
Hospital affiliation
- Emanate Health Inter-Community HospitalCovina, CA
Industry payments (Open Payments)
- 2025$27.31 · 1 payment from 1 company
- 2024$261.75 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $27.31 | 1 |
What the 2025 payments were for
- Food and Beverage$27.31 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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