Manufacturer or GPO Program year 2025 Source: CMS Open Payments

Ardelyx, Inc.

MA, United States

CMS manufacturer 100001146890

Open in the dashboard

General payments

$7,309,452

137,433 payments

Research payments

$3,735,568

1,300 payments

Ownership & investment interest

$0

None reported

Through program year 2025, Ardelyx, Inc. reported paying $7,309,452 in general payments and $3,735,568 in research payments to U.S. physicians, teaching hospitals and other recipients.

No combined total These are different kinds of money, reported under different rules. A meal and a clinical trial grant do not add up to anything meaningful, so this site does not add them.

By program year

8 rows
Year Kind Amount Payments
2025 General $3,059,585 61,188
2025 Research $1,497,575 300
2024 General $1,814,060 42,247
2024 Research $818,039 196
2023 General $1,397,002 24,791
2023 Research $20,226 6
2022 General $1,038,806 9,207
2022 Research $1,399,727 798

Breakdown

Top recipients General payments · program year 2025
  1. Cedars-Sinai Medical Center Teaching hospital · CA $295,000 5 payments
  2. Massachusetts General Hospital Teaching hospital · MA $123,960 15 payments
  3. Nelson Kopyt Nephrology · Allentown, PA $71,608 67 payments
  4. Philip Schoenfeld Gastroenterology · Ann Arbor, MI $62,510 28 payments
  5. Darren Brenner Gastroenterology · Chicago, IL $61,822 52 payments
  6. Vincent Carsillo Nephrology · Albany, NY $60,792 56 payments
  7. Satish Rao Gastroenterology · Augusta, GA $58,553 36 payments
  8. Rodolfo Batarse Nephrology · Rancho Mirage, CA $58,147 75 payments
  9. Jose Morfin Nephrology · Sacramento, CA $52,577 42 payments
  10. Kavita Kongara Gastroenterology · Atlanta, GA $47,485 46 payments
Top research recipients Research payments · program year 2025
  1. Florida Pharmaceutical Research And Associates Inc $355,122 20 payments
  2. Waterway Research & Associates Corp $187,610 11 payments
  3. Pioneer Research Solutions INC $160,246 60 payments
  4. Valencia Medical And Research Center $126,038 22 payments
  5. Frontier Clinical Research LLC $95,775 50 payments
  6. Osf Heart Of Mary Medical Center Teaching hospital · IL $54,974 20 payments
  7. Javara INC $43,168 5 payments
  8. Connecticut Childrens Medical Center Teaching hospital · CT $39,500 9 payments
  9. Advantage Clinical Trials $31,911 1 payment
  10. Ph Patewood Hospital Teaching hospital · SC $31,476 13 payments
Products the payments named General payments · program year 2025
  1. Ibsrela Gastroenterology $2,472,251 81% · 18,240 recipients
  2. Xphozah 30 MG Nephrology $573,584 19% · 575 recipients

Each share is of this company’s general payments naming a product in 2025. A payment can name up to five products, so these amounts overlap.

Specialties paid General payments · program year 2025
  1. Gastroenterology Internal Medicine $963,833 37% · 4,345 practitioners
  2. Nephrology Internal Medicine $652,546 25% · 2,462 practitioners
  3. Nurse Practitioner, Family Nurse Practitioner $277,116 11% · 3,103 practitioners
  4. Physician Assistant $155,346 6% · 1,480 practitioners
  5. Nurse Practitioner $129,497 5% · 1,200 practitioners

The top 5 of 108 specialties; each share is of this company’s general payments to practitioners with a specialty in 2025. Each practitioner is counted under their primary specialty.

The top 25 specialties, free in the app

Where the money went General payments · program year 2025
  1. California $703,535 23% · 1,678 recipients
  2. Georgia $241,590 8% · 808 recipients
  3. New York $229,864 8% · 1,425 recipients
  4. Texas $215,311 7% · 1,405 recipients
  5. Illinois $160,109 5% · 597 recipients

The top 5 of 53 states; each share is of this company’s general payments in 2025 where a state was reported.

The top 25 states, free in the app

What the payments were for General payments · program years 2022–2025
  1. Food and Beverage $3,216,387 135,603 payments
  2. Consulting Fee $2,217,188 717 payments
  3. Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $1,378,498 645 payments
  4. Education $273,180 28 payments
  5. Travel and Lodging $202,700 426 payments
  6. Grant $21,500 14 payments
137,433 general · 1,300 research

Every payment, record by record

Date, amount, who was paid and what for — filter by year and kind, or download as CSV, free, in files of 5,000 rows.

What you are looking at

Manufacturers of drugs, devices and biologicals, and group purchasing organisations, are required to report the payments and transfers of value they make to physicians and teaching hospitals. This page shows what this company reported.

Provenance

Source: CMS Open Payments · through program year 2025

We reproduce what manufacturers reported. We do not verify, edit or correct the underlying records.

A payment record is not evidence of wrongdoing. Financial relationships between industry and medicine are legal, common and often necessary for research. Who Paid My Doc reports what was disclosed; it does not judge it.

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