Yaa Oppong
Hospitalist · Philadelphia, PANPI 1487898748
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 28 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. It is spread thinly across 10 manufacturers, the largest accounting for just 17.5% — the pattern of someone who eats at a lot of different presentations. Reporting peaked in 2019 at $394 and has fallen 82.5% since, to $69 in 2021.
Across 28 payments — averaging $20.83 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Otsuka America Pharmaceutical, Inc.$102
- Baxter Healthcare$85
- Vifor Pharma, Inc.$84
- Mallinckrodt Enterprises LLC$70
- Merck$69
- GSK$54
- plus $119 from 4 others
Across 291 payments — averaging $23,355 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.
- Modernatx, Inc.$4.4M
- Janssen Research & Development, LLC$2.3M
- Pfizer$32K
- Merck$32K
- BD$8K
- Cue Health Inc.$2K
What the payments were for
- Food & beverage$583100%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | 5 | $102 |
| Baxter Healthcare | 1 | $85 |
| Vifor Pharma, Inc. | 5 | $84 |
| Mallinckrodt Enterprises LLC | 4 | $70 |
| Merck | 2 | $69 |
| GSK | 3 | $54 |
| AstraZeneca | 4 | $52 |
| Akebia Therapeutics Inc | 2 | $36 |
| Mylan Specialty L.p. | 1 | $17 |
| Mallinckrodt Hospital Products Inc. | 1 | $13 |
How this compares
$583 in reported general payments places this provider in the 85th percentile of 1,287 hospitalist providers in Pennsylvania.
Other hospitalist in Philadelphia
- Khalid AhmedPhiladelphia$55K
- Irfan AhsanPhiladelphia$21K
- Kevin VolppPhiladelphia$17K
- Matthew DemczkoPhiladelphia$11K
- Carmen GuerraPhiladelphia$7K
- Victor CottonPhiladelphia$5K
- Erin LockardPhiladelphia$4K
- Michael TaddonioPhiladelphia$4K
- Carli PetersPhiladelphia$3K
- Umang PatelLanghorne$21K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.