Dejun Wang, M.D.
NPI 1275559288ActiveIndividual· Internal Medicine· Rowland Heights, CA
Internal Medicine (M.D.) in Rowland Heights, California, licensed in CA, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $2,618,549 for 19,732 claims, against $679,769 paid for services in 2024. E.R. Squibb & Sons, L.L.C. reported $19.73 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1275559288 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Nov 6, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A71575 | 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 | 498 |
|---|---|
| Services billed | 11,557 across 27 procedure codes |
| Paid by Medicare | $679,769 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19,732 · 38,447 30-day fills |
|---|---|
| Patients | 895 |
| Total drug cost | $2,618,549 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Internal Medicine |
Other facilities
- All American Home Health Care, Inc.Home health agency · Glendale, CA
- Care Best Home Health IncHome health agency · Alhambra, CA
- Happy Home Health ServicesHome health agency · Arcadia, CA
Industry payments (Open Payments)
- 2025$19.73 · 1 payment from 1 company
- 2024$68.29 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $19.73 | 1 |
What the 2025 payments were for
- Food and Beverage$19.73 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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