PlainPharmaWatch

CMS Open Payments · Program Year 2024

Ironwood Pharmaceuticals, Inc

Ironwood Pharmaceuticals, Inc reported $2,356,400.40 in payments to 18,075 physicians and teaching hospitals across 18,366 transactions.

$2.4M
Total payments
18,366
Transactions
18,075
Recipients
+$38.2K
General Payments vs PY2023

Ironwood Pharmaceuticals, Inc reported $2,356,400.40 in payments to 18,075 physicians and teaching hospitals in CMS Open Payments Program Year 2024 - ranking #416 of 1,925 reporting manufacturers (0.0% of all US industry payments), averaging $130.37 per recipient across 5 payment categories. Figures are company-reported under the Physician Payments Sunshine Act; a reported payment is a financial relationship, not evidence of wrongdoing.

Data currency: Figures are rendered from the processed CMS Open Payments release. See our methodology for source dates and refresh cadence. Spot a figure that looks wrong? Report a correction.

The verdict

Ironwood Pharmaceuticals, Inc pairs top-quartile payment volume with an unusually diversified payment pattern across a wide recipient base.

#416
of 1,925 companies
0.0%
of all US industry payments
0.0%
paid to its single top recipient
5
payment categories

Release-over-release change

General Payments changed from PY2023 to PY2024

Ironwood Pharmaceuticals, Inc's CMS-reported General Payments increased by $38.2K (+6.1%) from PY2023 to PY2024. The comparison uses the same CMS manufacturer-by-payment-category summary for both years and excludes research and ownership or investment records.

CMS source labels for this exact identifier: PY2022: IRONWOOD PHARMACEUTICALS, INCPY2023: IRONWOOD PHARMACEUTICALS, INCPY2024: IRONWOOD PHARMACEUTICALS, INC. Matching identifiers support a bounded record comparison; a label difference would be reported as unresolved rather than treated as a corporate event.

Subscribe to this company's source-bounded update feed It publishes only identifier-matched CMS release comparisons, never inferred company events.

General Payments: PY2023 vs PY2024

Annual CMS-reported totals for this company, not an all-category Open Payments total

PY2023$621.2KPY2024$659.4K
PY2023
$621,247.74
PY2024
$659,411.66

How Ironwood Pharmaceuticals, Inc ranks nationally

Where this company's total reported payments fall within the full national distribution of all 1,925 companies in CMS Open Payments, not just its nearest peers.

Ironwood Pharmaceuticals, Inc's total vs. every reporting company

CMS Open Payments, Program Year 2024

$2,356,400 Top 22% higher than 78% of 1,925 reporting companies

$9–$28: 3 reporting companies (0%). Below this entry. $28–$87: 10 reporting companies (1%). Below this entry. $87–$270: 20 reporting companies (1%). Below this entry. $270–$838: 41 reporting companies (2%). Below this entry. $838–$2,603: 76 reporting companies (4%). Below this entry. $2,603–$8,084: 114 reporting companies (6%). Below this entry. $8,084–$25,112: 167 reporting companies (9%). Below this entry. $25,112–$78,003: 249 reporting companies (13%). Below this entry. $78,003–$242,294: 295 reporting companies (15%). Below this entry. $242,294–$752,621: 270 reporting companies (14%). Below this entry. $752,621–$2,337,813: 263 reporting companies (14%). Below this entry. $2,337,813–$7,261,783: 200 reporting companies (10%). This entry sits in this band. $7,261,783–$22,556,757: 133 reporting companies (7%). Above this entry. $22,556,757–$70,066,439: 45 reporting companies (2%). Above this entry. $70,066,439–$217,642,369: 26 reporting companies (1%). Above this entry. $217,642,369–$676,046,922: 13 reporting companies (1%). Above this entry. This company $9 $676,046,922 every reporting company, bucketed by value

Each bar is a progressively wider band; taller bars hold more reporting companies. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Open Payments · 2024

What the Data Shows for Ironwood Pharmaceuticals, Inc

Averaging $128.30 per transaction and $130.37 per recipient, Ironwood Pharmaceuticals, Inc's Program Year 2024 total comes to $2,356,400.40 across 18,366 transactions and 18,075 physicians and teaching hospitals. In the CMS Open Payments database that is good for rank #416 of 1,925 companies, a comparatively small 0.0% slice of all industry payments reported nationwide for the year.

Of the 5 general-payment categories charted below, "Food and Beverage" is the largest at $363.8K across 17,951 transactions, 15.4% of the company's reported total (see our methodology for how research and ownership payments are reported separately).

General Payment Breakdown by Type

"Food and Beverage" leads Ironwood Pharmaceuticals, Inc's 5-category general-payment breakdown at $363.8K, 15.4% of the reported total.

How Ironwood Pharmaceuticals, Inc divides its payments

Ranked by total dollars reported per category

1. Food and Beverage$363.8K2. Consulting Fee$142.2K3. Compensation for Services…$134.7K4. Travel and Lodging$13.7K5. Grant$5.0K
Payment Type Amount Transactions
Food and Beverage $363.8K 17,951
Consulting Fee $142.2K 31
Compensation for Services Other Than Consulting $134.7K 56
Travel and Lodging $13.7K 36
Grant $5.0K 1

Recipient Concentration in General Payments

The five largest recipient relationships account for $84,990.36 (12.9%) of $659,411.66 in this company's General Payments records across 7,956 recipients. This is a CMS Open Payments Program Year 2024 General Payments view only: it excludes research and ownership/investment records, so it is not the all-category company total above.

Largest General-Payment relationships for Ironwood Pharmaceuticals, Inc

The five named recipients with the highest reported General Payments from this company

Vivek Kaul$30.1KSarah Enslin$19.4KMerrill Gershwin$13.5KMarlyn Mayo$11.1KJohn Poulos$11.0K
  1. 1

    Vivek Kaul

    $30,064.06 across 12 reported transactions

  2. 2

    Sarah Enslin

    $19,442.82 across 12 reported transactions

  3. 3

    Merrill Gershwin

    $13,475.00 across 4 reported transactions

  4. 4

    Marlyn Mayo

    $11,050.00 across 5 reported transactions

  5. 5

    John Poulos

    $10,958.48 across 8 reported transactions

Compare this company's payment profile with similarly sized manufacturers in the company comparison tool, and consult the methodology for the CMS source scope.

Payment Size Analysis

Average transaction size: $128.30. Average per recipient: $130.37.

Total Amount

$2,356,400.40

Avg per Transaction

$128.30

Avg per Recipient

$130.37

Payment Transparency Context

What is the Sunshine Act?

The Physician Payments Sunshine Act (part of the Affordable Care Act) requires pharmaceutical and medical device manufacturers to report payments and transfers of value to physicians and teaching hospitals. These payments can include consulting fees, research grants, speaker fees, food and beverages, travel, royalties, and other forms of compensation.

Industry Total (2024)

$13.9B

across 1,925 companies

Ironwood Pharmaceuticals, Inc Share

0.0%

#416 by total payments

Frequently Asked Questions

How much did Ironwood Pharmaceuticals, Inc pay to physicians and hospitals in 2024?
0.0% of all industry payments reported to CMS Open Payments for 2024 came from Ironwood Pharmaceuticals, Inc, totaling $2,356,400.40 across 18,366 transactions to physicians and hospitals.
How many physicians received payments from Ironwood Pharmaceuticals, Inc?
18,075 physicians and teaching hospitals received payments from Ironwood Pharmaceuticals, Inc in 2024, averaging $130.37 per recipient.
What types of payments did Ironwood Pharmaceuticals, Inc make?
5 categories of general payment make up Ironwood Pharmaceuticals, Inc's reported activity, including consulting, meals, travel, and similar types. The largest general-payment category was "Food and Beverage" at $363.8K, representing 15.4% of the company's reported total.
How does Ironwood Pharmaceuticals, Inc rank among pharmaceutical companies?
Out of 1,925 companies in the CMS Open Payments database for 2024, Ironwood Pharmaceuticals, Inc ranks #416 by total payment amount.
What is the average payment size from Ironwood Pharmaceuticals, Inc?
Ironwood Pharmaceuticals, Inc's 18,366 transactions to 18,075 recipients in 2024 averaged $128.30 per transaction.
Where does the payment data for Ironwood Pharmaceuticals, Inc come from?
This data comes from the CMS Open Payments program (Sunshine Act), which requires pharmaceutical and medical device companies to report payments and transfers of value to physicians and teaching hospitals. The data covers Program Year 2024.

Data Source: Centers for Medicare & Medicaid Services (CMS) Open Payments, Program Year 2024. Data includes general payments, research payments, and physician ownership/investment interests as required by the Physician Payments Sunshine Act. Total industry payments: $13.9B across 1,925 companies.

Data sourced from CMS Open Payments (Physician Payments Sunshine Act). See our methodology for details. Retrieved and formatted by PlainPharmaWatch Editorial
Disclaimer

This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the CMS Open Payments program. Consult a qualified professional before making decisions based on this data.

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Every figure on PlainPharmaWatch is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-07-25.