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.

Page 1 of 26; records 1–50 of 1253 matching records. This page contains 50 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

IRONWOOD PHARMACEUTICALS, INC

CMS reporting company ID 100000000245

General Payments, PY2025; Recipient scope: All recipient types; Nature of payment: All payment types

Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00

Page 1 of 26; records 1–50 of 1253 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/company/100000000245?year=2025&recipient=all#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e

Cite these filtered records

The citation includes this program year, filters, data edition, and page of results.

Plain
IRONWOOD PHARMACEUTICALS, INC, CMS reporting company ID 100000000245. General Payments, PY2025; Recipient scope: All recipient types; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 26; records 1–50 of 1253 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/company/100000000245?year=2025&recipient=all#records-h. Source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e.
APA 7
IndustryPayments. (2026). IRONWOOD PHARMACEUTICALS, INC, CMS reporting company ID 100000000245. General Payments, PY2025; Recipient scope: All recipient types; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 26; records 1–50 of 1253 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/company/100000000245?year=2025&recipient=all#records-h. Source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e.
Bluebook
IRONWOOD PHARMACEUTICALS, INC, CMS reporting company ID 100000000245, IndustryPayments, General Payments, PY2025; Recipient scope: All recipient types; Nature of payment: All payment types (Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00). Page 1 of 26; records 1–50 of 1253 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/fb0b1734-1410-429d-92f6-3f4b35218e5e. https://industrypayments.org/company/100000000245?year=2025&recipient=all#records-h.

Centers for Medicare & Medicaid Services, Open Payments

Citation formats are provided for reference; check the requirements of your publication.

Payment records · PY2025

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

General Payments · PY2025 · All recipient types · CMS publication 2026-06-30

1,253 matching records · $89,839.08 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 1,253 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 1,253.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
BRENNAN M SPIEGEL
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $32.2510/26/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227656221 CMS
CHRISTOPHER V ALMARIO
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $32.2510/26/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227658212 CMS
BRIAN E LACY
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $32.2510/26/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227659399 CMS
DAVID J CANGEMI
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $32.2510/26/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227660162 CMS
PAUL E FEUERSTADT
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $37.1210/25/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227656893 CMS
KYLE D STALLER
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $83.1410/24/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227653614 CMS
KRISTINA F SKARBINSKI
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $83.1410/24/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227654692 CMS
CAROL M ANTEQUERA
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $83.1410/24/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227656226 CMS
JODIE A BARKIN
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $83.1410/24/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227657458 CMS
CHRISTOPHER D VELEZ
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $83.1310/24/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227659293 CMS
DONALD FRANCIS KIRBY
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $650.0009/16/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227654619 CMS
DONALD FRANCIS KIRBY
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $325.0009/16/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227655491 CMS
DONALD FRANCIS KIRBY
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $650.0009/16/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227657334 CMS
DONALD FRANCIS KIRBY
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,462.5009/16/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227658332 CMS
MERCEDES P MARTINEZ
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $45.3409/12/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227659491 CMS
ROBERT S VENICK
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $51.0009/11/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227658026 CMS
SAMUEL A KOCOSHIS
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $36.0009/10/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227658662 CMS
ANDREW MULBERG
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $2,275.0009/09/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227659064 CMS
KRISTINA F SKARBINSKI
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,699.0409/02/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227657476 CMS
KRISTINA F SKARBINSKI
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $2,080.0009/02/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227660307 CMS
EDWIN K MCDONALD
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,625.0008/12/2025 Travel and Lodging No dispute reported Delay: No
Change: NEW
06/30/2026 1227656390 CMS
EDWIN K MCDONALD
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $4,550.0008/12/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227659104 CMS
NEHA SANTUCCI
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $20,000.0008/10/2025 Grant No dispute reported Delay: No
Change: NEW
06/30/2026 1227659071 CMS
KYLE D STALLER
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $25.0908/07/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227655375 CMS
BINCY P ABRAHAM
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,300.0008/01/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227654371 CMS
HAROLD DAVIS LEWIS
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $113.5907/30/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227658230 CMS
BETHANY L JOHNSON
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,575.0007/16/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227653692 CMS
BETHANY L JOHNSON
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,125.0007/16/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227656325 CMS
NICOLE MARTINEZ DE ANDINO
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,105.1107/16/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227657493 CMS
NICOLE MARTINEZ DE ANDINO
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,720.0007/16/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227660361 CMS
DEJAN MICIC
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,950.0007/08/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227655571 CMS
PAUL E FEUERSTADT
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,400.0007/08/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227656899 CMS
AJA MCCUTCHEN
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,300.0007/08/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227657135 CMS
ADEETI JAYA CHIPLUNKER
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $1,300.0007/08/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227657352 CMS
NICOLE MARTINEZ DE ANDINO
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $74.1706/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227657488 CMS
KRISTINA F SKARBINSKI
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $74.1806/20/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227658405 CMS
KYLE D STALLER
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $59.3506/09/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227657230 CMS
YAKIR MUSZKAT
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $16.6805/06/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227653811 CMS
MARY ABIGAIL S GARCIA
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $84.3205/06/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227659935 CMS
ECE A MUTLU
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $51.7205/06/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227660638 CMS
THOMAS R BIRRIS
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $98.2405/05/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227655307 CMS
DAWN M ADAMS
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $51.7205/04/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227659083 CMS
JOHN K DIBAISE
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $92.3905/03/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227653966 CMS
JAMES S LEAVITT
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $24.4505/03/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227655344 CMS
MONIKA FISCHER
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $24.4505/03/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227658133 CMS
AMBER NICOLE HILDRETH
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $68.3505/03/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227658461 CMS
JAMIE BERING
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $92.3905/03/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227660480 CMS
PAUL E FEUERSTADT
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $31.1405/02/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227656887 CMS
ERIC DINESH SHAH
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $18.5905/02/2025 Food and Beverage No dispute reported Delay: No
Change: NEW
06/30/2026 1227660259 CMS
DONALD FRANCIS KIRBY
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $4,712.5004/08/2025 Consulting Fee No dispute reported Delay: No
Change: NEW
06/30/2026 1227656395 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