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 1–50 of 16,004.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
DANIEL CHIU
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $13.3512/23/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957905131 CMS
CONNIE HUANG LIN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $13.3512/23/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957920195 CMS
RAJESH PANCHWAGH
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $13.4812/23/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957929227 CMS
REBECCA MARIE NOLES
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.0612/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957902535 CMS
JENNA KAY POTEET
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $10.8212/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957902931 CMS
BUFFIE MARIE REID
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.0612/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957903671 CMS
ANNA PUDINAK
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.7012/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957903755 CMS
ROGER L HUEY
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.9612/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957904011 CMS
LAUREN ELIZABETH KESSENICH
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.0612/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957905213 CMS
NOELLE C MUNDT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.2612/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957906755 CMS
MATTHEW T TAYLOR
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.8012/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957906931 CMS
JACQUELINE S ERBSE
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $10.8212/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957907067 CMS
JEREMY CRAIG DAVIS
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.7912/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957907967 CMS
DAVID L ZAHM
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.4912/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957908611 CMS
ANGELA K NUTT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.8012/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957913093 CMS
DONALD FRANCIS RAUH
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $10.8212/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957916331 CMS
JAYMIE H PENNINGTON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.8012/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957918549 CMS
WILLIAM ROSS STONE
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.9712/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957918583 CMS
STEPHANIE ELYSE SMITH
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.9612/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957921587 CMS
NOELLE C MUNDT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $4.6012/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957924573 CMS
JENNA KAY POTEET
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $0.8512/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957926505 CMS
JACQUELINE S ERBSE
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $0.8612/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957926557 CMS
DONALD FRANCIS RAUH
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $0.8612/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957928701 CMS
AUTUMN FEAZELL
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.0812/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957929033 CMS
SAMUEL E INKUMSAH
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.4912/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957930925 CMS
JOHN O PHILLIPS
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.9712/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957931271 CMS
CLARENCE A JUSTICE
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.9612/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957932695 CMS
STEVEN D GRONOWITZ
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.3212/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957933097 CMS
MARIE-NIRVA BLAISE
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $13.4212/22/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957934523 CMS
KRISTINA M AMATO
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $22.9712/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957901319 CMS
CESSINEE NICOLE THORNTON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.0312/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957901887 CMS
EMILIA LEE WUNDERLICH
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.7212/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957901991 CMS
ANTONY G MANIATIS
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.8612/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957902299 CMS
DALE SUMILANG
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $11.7212/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957902413 CMS
DEBRA J BLAIR
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $25.0012/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957905397 CMS
JUAN A CORTES
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $18.8512/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957905905 CMS
CHRISTOPHER M LOVELL
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $21.9912/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957906241 CMS
SAMAN B CHUBINEH
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $18.7412/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957906315 CMS
JORI MARISA LARSON TAYLOR
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.8612/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957907515 CMS
LAUREN ELIZABETH DOWNEY
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.0012/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957909081 CMS
MEGHAN DOUGHER
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $18.7412/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957910095 CMS
NIREN JASUTKAR
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.5612/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957911179 CMS
MICHAEL P BERRY
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.3712/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957911219 CMS
NELL F MILLING
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $21.9912/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957912115 CMS
JILLIAN L SARLES
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $24.2312/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957912167 CMS
AJIT KOKKAT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $22.9712/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957912331 CMS
BARET THOMAS BERCIER
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $21.9912/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957913141 CMS
SARAH C ATKINS
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.6212/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957917065 CMS
THOMAS A ROCKOFF
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $23.4912/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957917421 CMS
BRANDY EASON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.6212/21/2022 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026957917739 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