Girish Karamchandani
Internal Medicine · Tucson, AZNPI 1457781718
Payments from drug & device makers
Across 1,785 payments — averaging $1648.07 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Modernatx, Inc.$1.7M
- Sanofi US Services Inc.$1M
- Eli Lilly$239K
- AstraZeneca$2K
- Novartis$528
- Sanofi$83
Across 3 payments — averaging $50,452 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$151K
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 |
|---|---|---|
| Modernatx, Inc. | 1,685 | $1,666,113 |
| Sanofi US Services Inc. | 56 | $1,034,806 |
| Eli Lilly | 26 | $238,679 |
| AstraZeneca | 12 | $1,599 |
| Novartis | 5 | $528 |
| Sanofi | 1 | $83 |
How this compares
$2,941,808 in reported general payments places this provider in the 95th percentile of 2,212 internal medicine providers in Arizona.
Other internal medicine in Tucson
- Robert MutterperlTucson$5.3M
- Nebojsa SkrepnikTucson$4.7M
- Franz RischardTucson$3.7M
- Siddharth SinghalTucson$1.3M
- Rajesh JanardhananTucson$983K
- Carl DienerTucson$750K
- Roxana RodriguezTucson$547K
- Mona SelejTucson$440K
- Muhammad HusnainTucson$359K
- Robert LendingTucson$107K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.