Michael Hershfield
Rheumatology · Durham, NCNPI 1639251739
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $3,108 of the $3,350 with a category attached, or 92.8%. Chiesi USA, Inc. accounts for 95.0% of it on its own, with 2 other manufacturers making up the rest. Reporting peaked in 2021 at $3,137 and has fallen 97.6% since, to $74 in 2022. That places this record below the midpoint for rheumatology clinicians in NC, where the typical reported total is $3,350.
Across 4 payments — averaging $837.45 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Chiesi USA, Inc.$3K
- Leadiant Biosciences, Inc.$139
- Amgen$30
Across 19 payments — averaging $80,886 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.
- Leadiant Biosciences, Inc.$1.5M
What the payments were for
- Consulting fees$3,10893%
- Food & beverage$2427%
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 |
|---|---|---|
| Chiesi USA, Inc. | 2 | $3,181 |
| Leadiant Biosciences, Inc. | 1 | $139 |
| Amgen | 1 | $30 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
- Adagen$139
How this compares
$3,350 in reported general payments places this provider in the 50th percentile of 210 rheumatology providers in North Carolina.
Other rheumatology in Durham
- Ralph SnydermanDurham$1.3M
- Joseph ShanahanDurham$407K
- Megan ClowseDurham$72K
- Virginia KrausDurham$31K
- Laura SchanbergDurham$20K
- David LeverenzDurham$11K
- Gordon LamCharlotte$2.7M
- Wendy SimmonsWilmington$462K
- Andrew LasterCharlotte$421K
- Ana RossRaleigh$417K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.