Harold Bays
Endocrinology, Diabetes & Metabolism · Louisville, KYNPI 1316953920
Payments from drug & device makers
What this record shows
The money is spread across several categories — consulting fees (49.7%), speaking fees and travel and lodging — rather than concentrated in one kind of arrangement. 14 manufacturers reported payments, led by Boehringer Ingelheim at 25.7% of the total. Among endocrinology, diabetes & metabolism clinicians in KY with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 289 payments — averaging $741.16 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Boehringer Ingelheim$55K
- Eli Lilly$38K
- Esperion Therapeutics, Inc.$35K
- Amgen$26K
- Novo Nordisk$23K
- Regeneron$10K
- plus $27K from 8 others
Across 4,396 payments — averaging $2889.77 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$4.9M
- Novo Nordisk AS$1.8M
- Boehringer Ingelheim$1.1M
- Pfizer$1M
- Amgen$897K
- AbbVie$883K
- plus $2.1M from 24 others
What the payments were for
- Consulting fees$106,41250%
- Speaking & faculty fees$60,22728%
- Travel & lodging$32,56815%
- Food & beverage$14,8937%
- Education$970%
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 |
|---|---|---|
| Boehringer Ingelheim | 51 | $54,965 |
| Eli Lilly | 120 | $38,480 |
| Esperion Therapeutics, Inc. | 22 | $34,954 |
| Amgen | 25 | $26,191 |
| Novo Nordisk | 21 | $22,669 |
| Regeneron | 15 | $9,914 |
| Pfizer | 2 | $7,650 |
| Boehringer Ingelheim International GmbH | 1 | $6,659 |
| Novo Nordisk AS | 14 | $3,729 |
| Lilly USA, LLC | 2 | $2,882 |
| Regeneron Healthcare Solutions, Inc. | 3 | $2,556 |
| Merck | 11 | $2,140 |
| Daiichi Sankyo Europe GmbH | 1 | $957 |
| Kiniksa Pharmaceuticals International, PLC | 1 | $450 |
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
$214,196 in reported general payments places this provider in the 95th percentile of 90 endocrinology, diabetes & metabolism providers in Kentucky.
See all endocrinology, diabetes & metabolism providers in Kentucky →
Other endocrinology, diabetes & metabolism in Louisville
- Hisham AlrefaiLouisville$720K
- Jahangir CyrusLouisville$155K
- Mehdi PoorkayLouisville$81K
- Angelino YsonLouisville$15K
- Mary SelfLouisville$14K
- Omolara FakunleLouisville$13K
- Kaitlyn TuckerLouisville$9K
- Manikya KuritiLouisville$7K
- Carol ToumaLouisville$5K
- Swapna DeoLouisville$5K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.