Has Todd Houthuysen received payments from drug or device companies?

Yes. Drug and device makers reported $2,146 in general payments to Todd Houthuysen across 66 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 Todd Houthuysen 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 Todd Houthuysen 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.

Todd Houthuysen

Physician Assistant · Columbia, SCNPI 1447359187

Payments from drug & device makers

$2,146in general payments, 2019–2025

Across 66 payments — averaging $32.52 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

Axsome Therapeutics, Inc.$256
GSK$232
Neurocrine Biosciences, Inc.$198
E.r. Squibb & Sons, L.L.C.$184
Vanda Pharmaceuticals Inc.$179
Otsuka America Pharmaceutical, Inc.$171
plus $926 from 16 others

What the payments were for

Food & beverage$2,146100%

Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.

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
Axsome Therapeutics, Inc.	3	$256
GSK	8	$232
Neurocrine Biosciences, Inc.	6	$198
E.r. Squibb & Sons, L.L.C.	5	$184
Vanda Pharmaceuticals Inc.	5	$179
Otsuka America Pharmaceutical, Inc.	4	$171
Tris Pharma Inc	3	$150
Idorsia Pharmaceuticals US Inc	4	$138
Phathom Pharmaceuticals, Inc.	1	$125
Cranial Technologies, Inc	7	$111
Alkermes, Inc.	3	$76
Takeda Pharmaceuticals U.S.A., Inc.	3	$59
AbbVie	3	$59
ITI, Inc. (d/b/a Intra-cellular Therapies, Inc.)	2	$46
Merck	2	$31
Abbott	1	$24
Daiichi Sankyo Inc.	1	$22
Salix Pharmaceuticals, A Division Of Bausch Health US, LLC	1	$21
Exact Sciences	1	$19
Indivior Inc.	1	$17
Phadia US Inc.	1	$15
Pfizer	1	$13

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

$2,146 in reported general payments places this provider in the 75th percentile of 1,852 physician assistant providers in South Carolina.

See all physician assistant providers in South Carolina →

Most prescribed under Part D

Drug	Claims	Cost to plans & patients
Bupropion XlBupropion Hcl	16	$526
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine	13	$397
Hydroxyzine Hcl	24	$282
Gabapentin	14	$236
Buspirone Hcl	17	$191
Mirtazapine	11	$166
Atorvastatin Calcium	18	$166
Trazodone Hcl	21	$102
Prednisone	25	$41
Amlodipine Besylate	11	$23

Paid to pharmacies, not to this prescriber.

Other physician assistant in Columbia

Eric ShoupColumbia$74K
Sydney MorrisColumbia$11K
Janelle HinsonColumbia$11K
Karen DolezalColumbia$11K
Benjamin AddyWest Columbia$377K
Michael OvercashCharleston$210K
Allison LesterMt Pleasant$163K
Nicole KeeterFort Mill$129K
William YoungGreenville$117K
Stephanie DavisAnderson$78K

See the full list for South Carolina →

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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