Has Harold Bays received payments from drug or device companies?

Yes. Drug and device makers reported $12,870,699 in general payments to Harold Bays across 4,637 transactions between 2019–2025. Most Open Payments records nationally are meals worth under $20; a reported payment is not evidence of wrongdoing.

Does a payment mean Harold Bays did something wrong?

No. Federal law requires drug and device makers to report almost every transfer of value to a physician, including a $14 sandwich at a lunch presentation. Consulting fees, research funding and royalties to device inventors are ordinary, legal parts of medicine. This site reports what was disclosed; it makes no allegation.

Where does this information about Harold Bays come from?

The U.S. Centers for Medicare & Medicaid Services. Payments come from Open Payments, published under the Physician Payments Sunshine Act. Billing and prescribing figures come from the Medicare Physician & Other Practitioners and Part D Prescriber public use files for 2024.

Harold Bays

Endocrinology, Diabetes & Metabolism · Louisville, KYNPI 1316953920

Payments from drug & device makers

$12,870,699in general payments, 2019–2025

Across 4,637 payments — averaging $2775.65 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

Eli Lilly$4.9M
Novo Nordisk AS$1.8M
Boehringer Ingelheim$1.2M
Pfizer$1M
Amgen$917K
AbbVie$883K
plus $2.2M from 28 others

$46,919in research payments, 2019–2025

Across 48 payments — averaging $977.49 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$32K
Amgen$6K
Pfizer$4K
Novo Nordisk AS$3K
Regeneron$1K
Novo Nordisk$25

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
Eli Lilly	224	$4,919,559
Novo Nordisk AS	3,056	$1,777,343
Boehringer Ingelheim	100	$1,188,519
Pfizer	156	$1,017,979
Amgen	42	$917,266
AbbVie(2 entities)	141	$883,312
Novartis	11	$565,603
Regeneron	169	$366,598
GSK	41	$195,824
AstraZeneca	7	$173,871
Akcea Therapeutics, Inc.	46	$173,554
Esperion Therapeutics, Inc.	154	$115,089
Biohaven Pharmaceuticals, Inc.	16	$96,995
Vivus LLC	13	$72,047
CSL Behring	43	$68,737
Ionis Pharmaceuticals, Inc.	17	$55,505
Boehringer Ingelheim International GmbH	146	$45,088
Astrazeneca UK Limited	2	$36,204
Sanofi US Services Inc.	19	$34,500
Janssen Research & Development, LLC	29	$33,429
Merck	21	$25,287
Novo Nordisk	21	$22,669
Biohaven Pharmaceutical Holding Company Ltd.	8	$21,820
Boehringer Ingelheim France S.a.s.	142	$21,261
Amarin Pharma, Inc.	1	$16,186
Shionogi Inc	1	$13,124
Lilly USA, LLC	2	$2,882
Regeneron Healthcare Solutions, Inc.	3	$2,556
Madrigal Pharmaceuticals	1	$2,309
Swedish Orphan Biovitrum AB	1	$1,896
Lexicon Pharmaceuticals, Inc.	1	$1,390
Daiichi Sankyo Europe GmbH	1	$957
Dr.reddy's Laboratories,inc.	1	$890
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.

NEXLIZET$34,913
NEXLETOL$34,913
Wegovy$14,068
Saxenda$6,367
Repatha$4,741
EYLEA$2,556
PRALUENT$1,803
Ozempic$1,784
ARCALYST$450

How this compares

$12,870,699 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
Sathya KrishnasamyLouisville$263K
Jahangir CyrusLouisville$155K
Mehdi PoorkayLouisville$81K
Sri Prakash MokshagundamLouisville$73K
Stephen WintersLouisville$21K
Angelino YsonLouisville$15K
Mary SelfLouisville$14K
Omolara FakunleLouisville$13K
Kaitlyn TuckerLouisville$9K

See the full list for Kentucky →

Where these figures come from

Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
Identity: NPPES NPI Registry, July 2026.

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