Dollars for Docs

How Industry Dollars Reach Your Doctors

This database was last updated in October 2019 and should only be used as a historical snapshot. Newer data is available at the Centers for Medicare and Medicaid Services Open Payments site.

WILLIAM C HAHN
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WILLIAM C HAHN

Listed Specialty: Medical Oncology
450 BROOKLINE AVE, DANA-FARBER CANCER INSTITUTE, BOSTON, MA, 02215-5418
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Is This Your Doctor?
Print out this record, along with questions and tips for talking with your physician about payments.
Have you used or plan to use this information? Tell us about it.

WILLIAM HAHN,
Yearly Payment Breakdown:

2018 Payments At a Glance

16

payments

$27,462

payment total

4

companies paid this doctor

Payment Calendar in 2018

This doctor received a payment on days in 2018.

Each box below represents a single day during the disclosure period. A gray box indicates no payments. The darker the color, the more payments a doctor received that day.

2018

Types of Payments in 2018

Category Payments Payment Value
Consulting
 10 $26,020
Travel and Lodging
 2 $1,254
Food and Beverage
 3 $172
Education
 1 $16

Drugs & Devices in 2018

Totals listed below account for all payments from that mention this product. Beginning in 2016, the government began classifying products as drugs, devices, biologics or medical supplies. Below, you will see drugs (drugs and biologics) and devices (devices and medical supplies). If a payment record mentions more than one product, the entire value will be included in each of those products. When no products are listed, they are not included in the list below.

Product Name Product Type Payments†
KEYTRUDA

drug

 $25,270
Payments with no listed product

N/A

 $1,442
SUTENT

drug

 $750
† May not add up to dollar total at top of page, since a payment record may not be associated with any product or can be associated with several products.

Payment Details in 2018

When How Much Related To What For From Third Party Payee
Mar 8, 2018 $9,900 KEYTRUDA Consulting MERCK SHARP & DOHME CORPORATION
Feb 8, 2018 $5,200 KEYTRUDA Consulting MERCK SHARP & DOHME CORPORATION
Jan 11, 2018 $3,795 KEYTRUDA Consulting MERCK SHARP & DOHME CORPORATION
Jan 11, 2018 $3,300 KEYTRUDA Consulting MERCK SHARP & DOHME CORPORATION
Jan 11, 2018 $2,000 KEYTRUDA Consulting MERCK SHARP & DOHME CORPORATION
Jan 29, 2018 $1,066 No Listed Product Travel and Lodging GENENTECH, INC.
Feb 22, 2018 $600 SUTENT Consulting PFIZER INC. HAHN CHUN WILLIAM
Feb 8, 2018 $575 KEYTRUDA Consulting MERCK SHARP & DOHME CORPORATION
Jan 25, 2018 $400 KEYTRUDA Consulting MERCK SHARP & DOHME CORPORATION
Jan 29, 2018 $188 No Listed Product Travel and Lodging GENENTECH, INC.
Feb 15, 2018 $150 SUTENT Consulting PFIZER INC. HAHN CHUN WILLIAM
Jul 31, 2018 $138 No Listed Product Food and Beverage AMGEN INC.
Apr 19, 2018 $100 KEYTRUDA Consulting MERCK SHARP & DOHME CORPORATION
Aug 1, 2018 $20 No Listed Product Food and Beverage AMGEN INC.
Aug 15, 2018 $16 No Listed Product Education AMGEN INC.
Jul 24, 2018 $14 No Listed Product Food and Beverage AMGEN INC.
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Note: We have made some effort to normalize the data and eliminate duplicates, but the data is primarily as it has been reported by the companies to the Centers for Medicare and Medicaid Services. To purchase the normalized data, please visit the ProPublica Data Store. If you spot an error, please let us know at [email protected].

This site includes data published by the Centers for Medicare and Medicaid Services on June 28, 2019.