Wilbur Chen
Infectious Disease · Baltimore, MDNPI 1891758975
Payments from drug & device makers
What this record shows
The money is spread across several categories — consulting fees (56.1%), travel and lodging and speaking fees — rather than concentrated in one kind of arrangement. 6 manufacturers reported payments, led by Janssen Global Services, LLC at 43.1% of the total. Reporting peaked in 2019 at $19,466 and has fallen 76.7% since, to $4,530 in 2025. Among infectious disease clinicians in MD with any reported payments, this total sits in the top 10% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 22 payments — averaging $1503.55 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Janssen Global Services, LLC$14K
- Sanofi Pasteur Inc.$6K
- Seqirus USA Inc$6K
- Pfizer$3K
- Merck$3K
- Emergent Biosolutions Inc.$786
Across 27 payments — averaging $34,796 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Emergent Biosolutions Inc.$918K
- GSK$21K
What the payments were for
- Consulting fees$18,57156%
- Speaking & faculty fees$3,50011%
- Travel & lodging$9,27728%
- Food & beverage$1,7305%
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| Janssen Global Services, LLC | 3 | $14,262 |
| Sanofi Pasteur Inc. | 5 | $6,376 |
| Seqirus USA Inc | 4 | $5,548 |
| Pfizer | 1 | $3,250 |
| Merck | 8 | $2,855 |
| Emergent Biosolutions Inc. | 1 | $786 |
How this compares
$33,078 in reported general payments places this provider in the 90th percentile of 289 infectious disease providers in Maryland.
Other infectious disease in Baltimore
- Robert RedfieldBaltimore$779K
- Luciana BorioBaltimore$671K
- Mark SulkowskiBaltimore$240K
- Jonathan ZenilmanBaltimore$202K
- Robert EdelmanBaltimore$125K
- Kjell WibergBaltimore$113K
- Christine DurandBaltimore$53K
- Myron LevineBaltimore$51K
- Robert BollingerBaltimore$50K
- Richard BergBaltimore$47K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.