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 · PY2021

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

General Payments · PY2021 · All recipient types · CMS publication 2026-06-30

16,453 matching records · $325,893.15 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 16,453 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 16,453.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
LAURA H ANDERSON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.2612/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855106121 CMS
HERMAN BENJAMIN BELL
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.2812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855106239 CMS
ANITA S ELLIOTT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.2712/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855106343 CMS
ROBIN L CORBETT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $22.3012/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855107509 CMS
NELSON GARCIA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.0812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855109641 CMS
ANATOLE BARKAN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $20.8612/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855110945 CMS
A LAWRENCE ATTIA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.2512/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855111197 CMS
ADEDAPO F OKUSANYA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.6012/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855111865 CMS
CHRISTIE E CHOI
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.5612/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855112335 CMS
ASHLEY WOOD
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.2712/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855112703 CMS
ARYEL NICOLEAU
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $24.8612/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855113255 CMS
DAVID I PARK
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.5712/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855113789 CMS
KRISTI S STEWART
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.2712/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855115047 CMS
REBECCA E BOWMAN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $19.7912/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855115289 CMS
MICHAEL ZELIG
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.2612/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855115507 CMS
SANDRA R LAYNE
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.2812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855115521 CMS
MELISSA L MOTES
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $19.9612/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855116893 CMS
TONG JING
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $6.6312/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855117059 CMS
KALI S ESWARAN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.4012/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855117287 CMS
ADEL YOUSSEF
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $19.7912/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855117731 CMS
MARIA MARTHA OLMEDA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.3412/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855118023 CMS
SAMIR L HABASHI
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.3412/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855118293 CMS
ANDRES ROIG
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.0812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855118325 CMS
MOISES E HERNANDEZ
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.0812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855119393 CMS
HENRY S CHEN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $13.0812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855120049 CMS
LAUREN C CASERIO
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.2712/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855121111 CMS
GRACE C VANESKO
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.5712/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855121997 CMS
HASSAN A HASSAN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $22.3012/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855122169 CMS
QING XIANG HUANG
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $13.0812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855122581 CMS
OLGA PETLINSKA
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.4112/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855122805 CMS
JOSE P FERRER
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.0812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855124823 CMS
RONALD POWELL
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.2612/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855125771 CMS
JOHN O'CONNOR
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $19.9212/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855126327 CMS
WENDY R PETERSON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.6312/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855127789 CMS
SIMON BEHAR
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.0812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855128057 CMS
VALERY MUENYI
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.3412/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855129149 CMS
JENNY M DAUBERT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.7512/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855129163 CMS
KATELYNN K WALDSCHMIDT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.5712/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855129485 CMS
PAMELA L GARJIAN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.0812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855129691 CMS
PAUL G FISHBEIN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $14.0812/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855129797 CMS
EUGENE L YOUNG
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.7512/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855129973 CMS
TONG JING
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $16.9612/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855130573 CMS
DIANNA M BRUNING
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $17.7512/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855131217 CMS
ROY A KELLERMAN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $28.9712/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855131835 CMS
CARYL A GIULIANI
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.6012/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855132963 CMS
ROKHSHANA A ZAHEEN
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $18.0112/20/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855096187 CMS
HEIDI E GOLDBERG
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $15.3412/20/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855096565 CMS
JOSEPH PRATT
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $13.6012/20/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855096737 CMS
MATTHEW NISSING
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $12.4712/20/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855097417 CMS
JAMIE M THOMPSON
Physician / non-physician practitioner
Ironwood Pharmaceuticals, Inc $24.9012/20/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855097669 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