IRONWOOD PHARMACEUTICALS, INC

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Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

Centers for Medicare & Medicaid Services, Open Payments

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.

CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state.

Payment records · PY2022

Date, newest first, then reporting company; values as published by CMS.

General Payments · PY2022 · All recipient types · CMS publication 2026-06-30

16,004 matching records · $547,423.28 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 16,004 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 51–100 of 16,004.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
FRED C FOWLER
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $10.1912/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957918451 CMS
ASHLEY D PEACE
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $21.9912/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957918657 CMS
ANNA LISA GUZMAN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $21.4712/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957918771 CMS
CRYSTAL D MERANTO
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $23.7312/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957920077 CMS
CHELSEA FUJITA-HAFFNER
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $7.7012/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957920419 CMS
STEPHEN HSIEH
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.7212/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957921165 CMS
ERIN C TANNER
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.0012/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957921223 CMS
MATTHEW D BRYANT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.7212/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957922261 CMS
GAURAV CHAND
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $10.1912/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957922461 CMS
JENNIFER LAMBERT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $24.2312/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957922633 CMS
STEPHEN R CANNON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.5012/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957923135 CMS
FRANK MARTIN MOIX
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.6312/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957923755 CMS
BRITTANY NICOLE WALL
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.7212/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957923909 CMS
BENJAMIN ROSS NILAND
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $21.9912/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957924055 CMS
MICHAEL P PLATT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $55.0012/21/2022 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957924341 CMS
ANAHITA ANDERSON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $10.7012/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957924495 CMS
OWEN SURGENT MAAT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.6212/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957925657 CMS
ROBERT MICHAEL WEST
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.0012/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957927651 CMS
RUTA BONDARENKO
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.8812/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957928967 CMS
MARIA ISABELLE APIGO PLATA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.6212/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957929661 CMS
MICHAEL P PLATT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $2,250.0012/21/2022 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957930541 CMS
BLEDAR GJINOLLARI
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $23.5412/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957932215 CMS
HARRY E SARLES
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $24.2312/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957932543 CMS
NICOLE MONAHAN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $22.9712/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957932619 CMS
MANUEL FABIAN BUSTAMANTE
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $23.5412/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957933121 CMS
KERRY E SHAVER
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $20.5012/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957933379 CMS
RACHEL B MIZELL
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $21.9912/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957933611 CMS
NOEL LOPEZ
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $21.4712/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957933877 CMS
ROBERT J AERTKER
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.5112/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957934227 CMS
JESSICA DALE GOSSOM
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.0312/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957934401 CMS
NAZIR A RAHIM
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $22.2312/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957901057 CMS
ROXANA AMAYA-SANTANA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.2712/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957902331 CMS
MEGAN PAYSEUR JOHNSON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.6112/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957904187 CMS
ANN MARIE AMAYA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.0612/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957904209 CMS
HENRY M ELLETT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $26.5912/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957904423 CMS
LOUIS BONAVITA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.2712/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957904597 CMS
NELSON GARCIA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $3.7212/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957904971 CMS
CHRISTINE M COOLEY
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.4512/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957905383 CMS
TROY HENDERSON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $19.9812/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957907421 CMS
JATAN D RAYTHATHA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.7112/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957909747 CMS
JOSE ALFONSO LOPEZ
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $22.7312/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957910081 CMS
LOGAN F KRATT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.7312/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957910103 CMS
CASEY N WHITE
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.9012/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957910783 CMS
MOE AMADPOUR
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $27.4912/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957910787 CMS
KYLA BARAJAS REDWOOD
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.1312/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957913837 CMS
SARAH A FLETCHER
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.9012/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957915665 CMS
MEGAN L JOHNSON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $18.2812/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957916967 CMS
JOLENE TADZIA CANNADY
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.6112/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957917057 CMS
HOUSEIN M WAZAZ
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.1312/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957917215 CMS
JOSEPH CAVALLARO
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.1812/20/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957917255 CMS

Practitioner overview · all loaded program years

21,094 providers listed 93,286 records General Payments

General Payments to practitioners — all loaded program years

  • Category: General Payments
  • Program years: 2019, 2020, 2021, 2022, 2023, 2024, 2025
  • Record count: 93,286
  • Providers listed: 21,094

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.

Coverage: program years 2019–2025, General Payments only, reported to physicians and non-physician practitioners. Payments to teaching hospitals are not included in these practitioner figures. Each figure is labeled with its category and program year; categories are never combined.

Practitioner payments by program year

Program yearReportedRecordsProvidersDetail
PY2019 $497,042.63 9,138 5,604 This company in PY2019 →
PY2020 $312,927.32 14,160 6,268 This company in PY2020 →
PY2021 $325,893.15 16,453 6,862 This company in PY2021 →
PY2022 $547,423.28 16,004 6,875 This company in PY2022 →
PY2023 $621,247.74 18,204 7,589 This company in PY2023 →
PY2024 $654,411.66 18,074 7,952 This company in PY2024 →
PY2025 $89,839.08 1,253 1,208 This company in PY2025 →

By recipient specialty (136)

Sorted by name; identical names by identifier.

Allopathic & Osteopathic Physicians 96 specialties 14,300 providers
Dental Providers 3 specialties 8 providers
Eye and Vision Services Providers 1 specialty 3 providers
Nursing Service Providers 8 specialties 17 providers
Physician Assistants & Advanced Practice Nursing Providers 25 specialties 6,408 providers
Podiatric Medicine & Surgery Service Providers 3 specialties 12 providers

Providers listed (21,094)

Sorted by name; identical names by identifier.

ProviderSpecialtyStateRecords reported by this company
A FRANCES ADAMS Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant VA 1
A LAWRENCE ATTIA Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology NY 14
AAKASH AGGARWAL Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology NJ 3
AAKASHI D PATEL Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical GA 1
AALIA SAEED Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology MI 4
AAMER MIRZA Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology NY 2
AARATI B MALLIAH Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology PA 4
AARON A LINK Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology MN 1
AARON ALEXANDER WEISS — NY 1
AARON B GREENSPAN Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology MO 7
AARON D RICHMAN Allopathic & Osteopathic Physicians|Internal Medicine NY 1
AARON F MENDEZ Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical CA 1
AARON G ELLISON Allopathic & Osteopathic Physicians|Family Medicine|Sports Medicine NC 5
AARON G JANNETTI Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NY 1
AARON G WESP Allopathic & Osteopathic Physicians|Internal Medicine TX 3
AARON I-LUN JENG Allopathic & Osteopathic Physicians|Internal Medicine CA 1
AARON JAMES PUGH Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology IN 11
AARON KYLE GOODWIN Allopathic & Osteopathic Physicians|Internal Medicine NC 1
AARON L KNOLL Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology OH 3
AARON L PEIMANN Allopathic & Osteopathic Physicians|Family Medicine IA 1
AARON L TRAVIS Allopathic & Osteopathic Physicians|Internal Medicine MO 4
AARON M BELLOWS Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology NJ 19
AARON M DICKSTEIN Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology MA 4
AARON M HOLDERMAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care IN 3
AARON M SLAIBY Allopathic & Osteopathic Physicians|Pediatrics CT 1
AARON P HOARD Physician Assistants & Advanced Practice Nursing Providers|Nurse Anesthetist, Certified Registered IN 1
AARON P MARTIN Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology PA 1
AARON PATRICK FIEKER Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology OK 12
AARON S GREENBERG Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease NY 1
AARON S KATZENMEYER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care MS 2
AARON TAYLOR CLARK Allopathic & Osteopathic Physicians|Family Medicine GA 1
AARON TEA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA 1
AARON TUCKLER Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease FL 1
AARON V JAVIER Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical NJ 1
AARON VU SWISHER Allopathic & Osteopathic Physicians|Family Medicine NC 9
AARON W MADDOX Allopathic & Osteopathic Physicians|Internal Medicine MI 1
AARON WAITE KARR Allopathic & Osteopathic Physicians|Family Medicine AL 1
AARTHI P SATHYA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MD 2
AASHIKA DHUNGEL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA 1
AATISH M PATEL Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology OK 6
AAYUSH KIRAN PRADHAN Allopathic & Osteopathic Physicians|Hospitalist OH 1
ABAGAIL KATHERINE RIFE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN 1
ABAGAIL M SUMMERS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MO 1
ABBASS SHAFII — CO 1
ABBEYGAIL JIONGCO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA 2
ABBIE BRIELLE KALEM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MS 1
ABBIE G YOUKILIS Allopathic & Osteopathic Physicians|Internal Medicine OH 1
ABBY CARTER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family KY 7
ABBY E MCMAHON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IL 10
ABBY E MEAGHER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family SC 1