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 · PY2020

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

General Payments · PY2020 · All recipient types · CMS publication 2026-06-30

14,160 matching records · $312,927.32 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 14,160 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 14,160.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
INNA ABRAMOVA
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $24.7812/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749780641 CMS
ANH TUAN DUONG
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $27.3412/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749786681 CMS
MARCI MALONE
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $14.1212/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749788761 CMS
FAISAL SHEIKH
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $14.1212/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749795917 CMS
KOSTAS SIDERIDIS
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $14.1212/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749800765 CMS
MARK R WEISER
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $13.1112/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749808913 CMS
DIANE J SUTTER
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $16.4112/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749814193 CMS
DINA SVERDLOV
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $18.3712/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749814301 CMS
SEJAL KADAM
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $14.1212/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749815325 CMS
ROBERT SELIG EAGLE
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $13.7912/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749815879 CMS
TIMOTHY LEBRON HUGGINS
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $12.7512/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749824717 CMS
JAYDEEP S KADAM
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $14.1212/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749827227 CMS
JONATHAN HINSON
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $13.1112/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749828039 CMS
VICTOR LYAPIS
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $18.7312/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749829079 CMS
SANJANA IDDYADINESH
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $17.9612/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749830193 CMS
STEPHEN T AMANN
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $12.1412/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749830357 CMS
BORIS TSUKERMAN
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $22.0012/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749783335 CMS
JAYANTA CHOUDHURY
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $15.6312/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749791217 CMS
ANATOLE BARKAN
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $17.0912/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749791653 CMS
AZEEM KHAN
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $21.1712/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749800483 CMS
NIRAV SHETH
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $12.5612/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749800643 CMS
SUSAN LEVIT
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $22.0012/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749801325 CMS
OSCAR L CHIEN
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $21.0512/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749808879 CMS
INESSA SVIDLER
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $7.0012/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749809635 CMS
SAI SUN HO
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $21.6012/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749809871 CMS
SHERRYL B REED
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $12.5712/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749811963 CMS
IMAD K SAEDELDINE
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $15.3612/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749813407 CMS
KARINA G ARZUMANOVA
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $7.0112/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749818071 CMS
ALBERT SHALOMOV
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $8.7512/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749819469 CMS
MANDEEP SINGH
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $15.6312/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749820789 CMS
ANTHONY J NG
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $25.0012/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749821479 CMS
LING MIN GAO
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $17.5012/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749823631 CMS
FU FU HE
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $22.3612/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749827751 CMS
HUIFANG FAITH SUN
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $12.5612/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749828335 CMS
AMBEREEN GHANI
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $20.5312/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749830127 CMS
JOHN M COSTABLE
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $20.9712/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749779089 CMS
KHALIL I INNABI
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $16.2112/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749780519 CMS
T GEORGE STOEV
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $15.8212/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749788193 CMS
JOAN M ALLMON
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $15.8212/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749788323 CMS
AJIT KOKKAT
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $10.3812/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749794001 CMS
WARING TRIBLE
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $18.6812/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749795489 CMS
THOMAS S YU
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $23.2412/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749795561 CMS
DEVELL R YOUNG
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $13.8012/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749799127 CMS
BRUCE GORDON HOUSTON
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $13.8012/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749799435 CMS
FARRUKH M JAFRI
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $18.6912/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749802371 CMS
RAVISHANK RAVISHANKAR RAMAMOORTHY
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $13.4712/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749802551 CMS
NIGAM M PATEL
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $11.4012/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749802607 CMS
SANJIV KHETARPAL
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $17.1212/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749813731 CMS
BONNIE K CHENG
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $13.4712/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749814337 CMS
RAY J HSIAO
Physician / non-physician practitioner
IRONWOOD PHARMACEUTICALS, INC $16.7312/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026749814589 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