Siddharth Singhal
Internal Medicine · Tucson, AZNPI 1144451071
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $1,230 of the $1,655 with a category attached, or 74.3%. Gilead accounts for 82.6% of it on its own, with 3 other manufacturers making up the rest. Reporting peaked in 2023 at $1,368 and has fallen 94.9% since, to $70 in 2024.
Across 7 payments — averaging $236.47 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Gilead$1K
- MDD US Operations, LLC$112
- Kyowa Kirin, Inc.$106
- Harmony Biosciences LLC$70
Across 2 payments — averaging $634,961 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.
- Eli Lilly$1.3M
What the payments were for
- Consulting fees$1,23074%
- Food & beverage$42526%
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 |
|---|---|---|
| Gilead | 3 | $1,368 |
| MDD US Operations, LLC | 2 | $112 |
| Kyowa Kirin, Inc. | 1 | $106 |
| Harmony Biosciences LLC | 1 | $70 |
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.
How this compares
$1,655 in reported general payments places this provider in the 80th percentile of 2,212 internal medicine providers in Arizona.
Other internal medicine in Tucson
- Rajesh JanardhananTucson$685K
- Mona SelejTucson$440K
- Franz RischardTucson$55K
- Nebojsa SkrepnikTucson$48K
- Christine OxleyTucson$44K
- Muhammad HusnainTucson$19K
- Steven WoolTucson$19K
- Surekha BandlamuriTucson$17K
- Augusto PosadasTucson$15K
- Lisa EmmansTucson$14K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.