Physician profile

Douglas Jordan Grunwald

Gastroenterology (Internal Medicine) · Hamden, CT

NPI 1154616001

$4,815.45

in general payments reported to CMS, 2019-2025

32 companies · $1,657 in 2025

The $1,657 reported for 2025 was more than what a typical Gastroenterology (Internal Medicine) provider received nationally (typical 2025 total: $636).

See the full distribution for Gastroenterology (Internal Medicine)

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$3,606.59
Education$30.40

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. $1,080.25 2019-2025
Ardelyx, INC. $464.76 2023-2025 Ibsrela
Takeda Pharmaceuticals U.S.A., INC. $435.48 2019-2025 Entyvio
Qol Medical, LLC $295.62 2024-2025 Sucraid, Sucraid
Madrigal Pharmaceuticals $289.87 2025 Rezdiffra
Gilead Sciences, INC. $271.98 2019-2025
Pfizer INC. $240.26 2019-2025
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $221.29 2019-2025 Xifaxan, Trulance
Genzyme Corporation $159.77 2023-2025
Lilly USA, LLC $158.29 2024-2025 Omvoh
Pentax of America, INC. $153.78 2021-2022
Janssen Biotech, INC. $144.23 2019-2025 Stelara, Tremfya, Simponi Aria
Celgene Corporation $139.77 2023-2024 Zeposia
Intercept Pharmaceuticals, INC. $104.39 2020-2025 Ocaliva
Medtronic, INC. $69.09 2025 Barrx
Show all 32 companies
CompanyGeneral paymentsYearsTop products
Ferring Pharmaceuticals INC. $67.59 2019-2024 Rebyota
Phathom Pharmaceuticals, INC. $67.34 2025 Voquezna
Regeneron Healthcare Solutions, INC. $53.88 2024-2025 Dupixent
Ironwood Pharmaceuticals, INC $48.02 2024
Evoke Pharma, INC. $44.52 2023-2025 Gimoti
Organon LLC $33.94 2023 Hadlima
Endo Pharmaceuticals INC. $33.38 2019
Shionogi INC $31.45 2019
Allergan, INC. $29.08 2019
Aimmune Therapeutics, INC. $28.21 2024
Exact Sciences Corporation $27.14 2024 Cologuard Collection Kit
Fresenius Kabi USA, LLC $25.71 2023 Idacio
Laborie Medical Technologies Corp. $25.23 2025 Alphaone
Braintree Laboratories, INC. $20.00 2023 Sutab
Daiichi Sankyo INC. $19.50 2019
Portola Pharmaceuticals, LLC $18.47 2020
Coloplast Corp $13.16 2023 Peristeen

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.

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Payment summary

Douglas Jordan Grunwald

$4,815.45

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $1,657 reported for 2025 was more than what a typical Gastroenterology (Internal Medicine) provider received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/2787005/douglas-jordan-grunwald

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.