Jennifer C. Chen, MD, MPH
NPI 1710056585ActiveIndividual· Internal Medicine· Sylmar, CA
Internal Medicine (MD, MPH) in Sylmar, California, trained at Tufts University School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $67,445 for 630 claims, against $14,083 paid for services in 2024. Janssen Biotech, Inc. reported $35.69 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1710056585 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MPH |
| Sole proprietor | Yes |
| NPI issued | Nov 7, 2006 |
| Last updated in NPPES | Jan 6, 2025 |
| Certified by provider | Jan 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A85163 | CA |
| Emergency Medicine | 207P00000X | A85163 | 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 | 77 |
|---|---|
| Services billed | 263 across 36 procedure codes |
| Paid by Medicare | $14,083 |
Part D prescriptions in 2024
| Prescriptions (claims) | 630 · 1,423 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $67,445 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Emergency Medicine |
Medical group
- County of Los AngelesWilmington, CA · 397 clinicians
Hospital affiliation
- Lac/Olive View-Ucla Medical CenterSylmar, CA
Industry payments (Open Payments)
- 2025$35.69 · 1 payment from 1 company
- 2024$43.55 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $35.69 | 1 |
What the 2025 payments were for
- Food and Beverage$35.69 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 104 internal medicine physicians in Sylmar · All internal medicine physicians in California