Lun Chen, PA-C
NPI 1790019974ActiveIndividual· Physician Assistant, Surgical· Towson, MD
Physician Assistant, Surgical (PA-C) with Adventist Physician Services Inc, practicing in Towson, Maryland. Mostly services rather than prescriptions: Medicare paid $4,599 for 37 patients in 2024, with only 11 Part D claims. Ethicon US, LLC reported $87.30 in payments in 2025, mostly food and beverage. Lists Adventist Healthcare White Oak Medical Center as a hospital affiliation.
Overview
| NPI | 1790019974 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 22, 2009 |
| Last updated in NPPES | Nov 13, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | C0004060 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (DC); Practitioner - Physician Assistant (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 41 across 29 procedure codes |
| Paid by Medicare | $4,599 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 11 30-day fills |
|---|---|
| Total drug cost | $877.83 |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Adventist Physician Services IncSilver Spring, MD · 148 clinicians
Hospital affiliation
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD
Industry payments (Open Payments)
- 2025$87.30 · 2 payments from 1 company
- 2024$44.43 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon US, LLC | $87.30 | 2 |
What the 2025 payments were for
- Food and Beverage$87.30 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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