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Contact Us

U.S. Corporate Headquarters

Daiichi Sankyo, Inc.
Two Hilton Court
Parsippany, NJ 07054
Phone: 973-944-2600
Fax: 973-944-2645

Daiichi Sankyo Pharma Development

399 Thornall Street
Edison, NJ 08837
Phone: 732-590-5000
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Daiichi Sankyo Call Center

For healthcare providers and patients with questions or concerns about our products.

Patient Assistance Program

Daiichi Sankyo Open Care Program
PO Box 8409
Somerville, NJ 08876
Phone: 1-866-268-7327

Supplier Diversity Program

Daiichi Sankyo, Inc.
Atln: Supplier Diversity Department
Two Hilton Court
Parsippany, NJ 07054
Phone: 1-877-726-5961 ext. 80989
Fax: 973-630-2808

Office of Certified Continuing Medical Education

Daiichi Sankyo, Inc.
Atln: OCME
Two Hilton Court
Parsippany, NJ 07054
Phone: 973-944-2599
Fax: 973-944-2267

Compliance Hotline

Call 1-877-48-ALERT (1-877-482-5378) with questions on compliance or ethical issues or to report unethical or questionable activity.

Reporting Adverse Reactions

Please report any adverse reactions to our products to the Daiichi Sankyo Contact Center at 1-877-4 DS-PROD (1-877-437-7763). Or to report negative side effects of prescription drugs to the FDA visit or call 1-800-FDA-1088.

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Who We Are

Daiichi Sankyo is a global pharmaceutical company with its corporate origin in Japan.

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