Physician profile

Aman K Singh

Gastroenterology (Internal Medicine) · Saint Louis, MO

NPI 1548237845

$15,751.84

in general payments reported to CMS, 2019-2025

41 companies · $3,272 in 2025

The $3,272 reported for 2025 was more than what 88% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

Payments by year

General payments by program year, as reported to CMS.

What the payments were for

Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.

View as a table
Payment typeAmount (2023-2025)
Food and Beverage$9,081.55
Education$117.26

Payment-type detail covers 2023-2025; earlier years are included in totals but not broken out here.

Who reported paying

General payments only, as reported to CMS. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Abbvie INC. $4,677.04 2019-2025 Rinvoq, Skyrizi, Linzess
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $2,014.87 2019-2025 Xifaxan, Trulance, Plenvu
Janssen Biotech, INC. $1,848.60 2019-2025 Tremfya, Stelara, Remicade
Pfizer INC. $1,275.51 2019-2025
Genzyme Corporation $961.95 2022-2025
Takeda Pharmaceuticals U.S.A., INC. $741.71 2019-2025 Entyvio, Eohilia, Gattex
Celgene Corporation $384.75 2021-2024 Zeposia
Ardelyx, INC. $289.54 2022-2024 Ibsrela
Aimmune Therapeutics, INC. $284.91 2024-2025 Vowst
Madrigal Pharmaceuticals $271.25 2024-2025 Rezdiffra, Resmetirom
Amgen INC. $261.04 2020-2023 Avsola, Amjevita
Romark Laboratories, Lc $240.84 2019-2020
Merck Sharp & Dohme LLC $221.58 2019-2024 Dificid
Ironwood Pharmaceuticals, INC $218.08 2019-2024 Linzess
Redhill Biopharma INC. $215.76 2020-2023 Movantik, Talicia, Aemcolo
Show all 40 companies
CompanyGeneral paymentsYearsTop products
Organon LLC $212.25 2023-2025 Renflexis, Hadlima
Lilly USA, LLC $195.14 2024-2025 Omvoh
Ucb, INC. $171.72 2019-2020
Braintree Laboratories, INC. $166.12 2019-2023 Sutab
Qol Medical, LLC $140.95 2022-2024 Sucraid, Sucraid
Gilead Sciences, INC. $139.59 2024-2025 Livdelzi
Phathom Pharmaceuticals, INC. $123.47 2024-2025 Voquezna
Intercept Pharmaceuticals, INC. $122.05 2020-2025 Ocaliva
E.R. Squibb & Sons, L.L.C. $99.72 2021
Ferring Pharmaceuticals INC. $73.76 2019-2022
Nestle Healthcare Nutrition INC. $68.83 2021-2023
Regeneron Healthcare Solutions, INC. $54.63 2025 Dupixent
Novo Nordisk INC $52.01 2025 Wegovy
Abbott Laboratories $36.84 2024 Ensite
Alnylam Pharmaceuticals INC. $27.54 2025 Givlaari
Mirum Pharmaceuticals, INC. $20.78 2024 Livmarli
Shionogi INC $19.58 2019
Boehringer Ingelheim Pharmaceuticals, INC. $18.86 2023
Fresenius Kabi USA, LLC $17.94 2024 Idacio
Alfasigma USA, INC. $17.29 2020
Sandoz INC. $15.65 2024 Hyrimoz
Micro-Tech Endoscopy USA, INC. $15.15 2025 Buttons
Dova Pharmaceuticals $11.91 2019
Mauna Kea Technologies, INC. $11.77 2019
Astrazeneca Pharmaceuticals LP $10.86 2019

1 company reported research payments only; those appear in the research section below.

Drugs and devices associated with these payments

CMS records which products a payment was associated with, not how the money was allocated. Association is not allocation: one payment can be associated with several products, and a product listing does not mean the payment was made because of that product. Product detail covers 2023-2025.

Research and ownership

$22,836.56 in ownership or investment interests, as reported to CMS. These are holdings a clinician or an immediate family member has in a company, not payments received.

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Payment summary

Aman K Singh

$15,751.84

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $3,272 reported for 2025 was more than what 88% of Gastroenterology (Internal Medicine) providers received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/24062/aman-k-singh

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.