Question 1

Has Gregory Parker received payments from drug or device companies?

Accepted Answer

Yes. Drug and device makers reported $1,285 in general payments to Gregory Parker across 78 transactions between 2019–2025. Most Open Payments records nationally are meals worth under $20; a reported payment is not evidence of wrongdoing.

Question 2

Does a payment mean Gregory Parker did something wrong?

Accepted Answer

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.

Question 3

Where does this information about Gregory Parker come from?

Accepted Answer

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.

Company	Payments	Total
Novartis	10	$177
AstraZeneca(2 entities)	6	$94
Merck	5	$82
Pfizer	5	$72
Exelixis Inc.	3	$70
E.r. Squibb & Sons, L.L.C.	5	$70
Tesaro, Inc.	3	$67
AbbVie(2 entities)	4	$65
Astellas Pharma US Inc	4	$50
Lilly USA, LLC	3	$47
Takeda Pharmaceuticals U.S.A., Inc.	3	$46
EMD Serono, Inc.	3	$43
Pharmacyclics LLC, An Abbvie Company	2	$42
Daiichi Sankyo Inc.	2	$38
Taiho Oncology, Inc.	2	$37
Teva Pharmaceuticals USA, Inc.	2	$36
Array Biopharma Inc	2	$34
Sanofi	2	$33
Genentech USA, Inc.	2	$33
Bayer	2	$32
Novocure Inc.	1	$24
Karyopharm Therapeutics Inc.	2	$24
Verastem, Inc.	2	$24
Rigel Pharmaceuticals, Inc.	1	$17
Seagen Inc.	1	$14
Dendreon Pharmaceuticals LLC	1	$13

Gregory Parker

Payments from drug & device makers

Who reported the general payments

How this compares

Other hematology & oncology in Oklahoma City