Wencheng Jen, M.D.
NPI 1811915481ActiveIndividual· Internal Medicine· Arcadia, CA
Internal Medicine (M.D.) in Arcadia, California, trained at University of Southern California Keck School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $220,704 for 2,945 claims, against $125,512 paid for services in 2024.
Overview
| NPI | 1811915481 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Jan 28, 2026 |
| Certified by provider | Jan 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A70481 | 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 | 153 |
|---|---|
| Services billed | 1,456 across 33 procedure codes |
| Paid by Medicare | $125,512 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,945 · 5,151 30-day fills |
|---|---|
| Patients | 177 |
| Total drug cost | $220,704 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- San Gabriel Valley Medical CenterSan Gabriel, CA
- Usc Arcadia HospitalArcadia, CA
Other facilities
- Happy Home Health ServicesHome health agency · Arcadia, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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