Amy Guan
Gerontology · Saint Louis, MONPI 1801398813
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 272 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. It is spread thinly across 32 manufacturers, the largest accounting for just 16.7% — the pattern of someone who eats at a lot of different presentations. Among gerontology clinicians in MO 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 272 payments — averaging $17.91 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Lilly USA, LLC$812
- AstraZeneca$802
- Novo Nordisk$567
- Amgen$374
- Otsuka America Pharmaceutical, Inc.$357
- AbbVie$255
- plus $2K from 26 others
What the payments were for
- Food & beverage$4,872100%
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 |
|---|---|---|
| Lilly USA, LLC | 46 | $812 |
| AstraZeneca | 39 | $802 |
| Novo Nordisk | 31 | $567 |
| Amgen | 23 | $374 |
| Otsuka America Pharmaceutical, Inc. | 20 | $357 |
| AbbVie | 13 | $255 |
| Lundbeck LLC | 14 | $219 |
| Pfizer | 16 | $205 |
| Sumitomo Pharma America, Inc. | 6 | $124 |
| Bayer | 6 | $116 |
| GSK | 6 | $104 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 7 | $104 |
| Xeris Pharmaceuticals, Inc. | 5 | $99 |
| Axsome Therapeutics, Inc. | 3 | $80 |
| Valinor Pharma, LLC | 4 | $68 |
| Takeda Pharmaceuticals U.S.A., Inc. | 4 | $66 |
| Phathom Pharmaceuticals, Inc. | 4 | $66 |
| Mannkind Corporation | 3 | $58 |
| Vanda Pharmaceuticals Inc. | 2 | $51 |
| Novartis | 2 | $51 |
| E.r. Squibb & Sons, L.L.C. | 3 | $48 |
| Corcept Therapeutics | 2 | $39 |
| Merck | 2 | $34 |
| Exact Sciences | 2 | $32 |
| Inspire Medical Systems, Inc. | 1 | $22 |
| Nestle Healthcare Nutrition Inc. | 1 | $22 |
| ITI, Inc. (d/b/a Intra-cellular Therapies, Inc.) | 1 | $18 |
| Tris Pharma Inc | 1 | $18 |
| Boehringer Ingelheim | 1 | $17 |
| Eisai Inc. | 1 | $17 |
| Corium, LLC | 2 | $16 |
| Idorsia Pharmaceuticals US Inc | 1 | $13 |
How this compares
$4,872 in reported general payments places this provider in the 95th percentile of 175 gerontology providers in Missouri.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| EliquisApixaban | 25 | $35,685 |
| RexultiBrexpiprazole | 17 | $25,801 |
| JardianceEmpagliflozin | 17 | $17,381 |
| MyrbetriqMirabegron | 20 | $16,624 |
| GemtesaVibegron | 14 | $12,376 |
| Lantus SolostarInsulin Glargine,hum.Rec.Anlog | 13 | $1,014 |
| Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav | 98 | $861 |
| Mirtazapine | 24 | $835 |
| Fluticasone Propionate | 82 | $797 |
| Atorvastatin Calcium | 81 | $763 |
| Lidocaine | 11 | $711 |
| Albuterol Sulfate HfaAlbuterol Sulfate | 41 | $700 |
| Gabapentin | 55 | $626 |
| Buspirone Hcl | 40 | $600 |
| Levothyroxine Sodium | 53 | $530 |
Paid to pharmacies, not to this prescriber.
Companies that both paid and supply prescribed drugs
These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.
| Company | Paid to this provider | Part D cost of their drugs |
|---|---|---|
| PfizerEliquis | $205 | $35,68525 claims |
| Otsuka America Pharmaceutical, Inc.Rexulti | $357 | $25,80117 claims |
| Boehringer IngelheimJardiance | $17 | $17,38117 claims |
| Sumitomo Pharma America, Inc.Gemtesa | $124 | $12,37614 claims |
Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 95th percentile of 175 gerontology providers in Missouri.
Other gerontology in Saint Louis
- Marissa SaengsamranSaint Louis$6K
- Kayla WeissSaint Louis$5K
- Michelle CusumanoSaint Louis$4K
- Pibi BoudaSaint Louis$4K
- Allyson ReevesSaint Louis$4K
- Beth YoungerSaint Louis$3K
- Christine KuehnelSaint Louis$3K
- Eileen SteinigerSaint Louis$2K
- Jessica SheehanSaint Louis$2K
- Ellen CarlsonSaint Louis$2K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.