CONTACT US

Thank you for your interest in learning more about our company. In an effort to answer your inquiries, the following information is provided for your convenience.

Merck & Co., Inc. Global Headquarters

One Merck Drive

P.O. Box 100

Whitehouse Station, NJ 08889-0100 USA

Phone: 908-423-1000

Monday-Friday 8:30 AM - 5:30 PM ET

 

Merck Worldwide Contacts

Contact information for Merck worldwide is available here.

 

U.S. Healthcare Professionals

To speak with a Merck healthcare professional about Merck products, or to report an adverse experience with a specific Merck product, please call the Merck National Service Center at (800) 444-2080. The Merck National Service Center is pleased to assist you Monday through Friday from 8 AM to 7 PM ET.

Adverse experiences and product-related emergencies can be reported at any time by dialing (800) 444-2080.

 

U.S. Patients and Caregivers

If you have questions relating to Merck prescription products, your medical condition or personal health matters, please contact your physician or healthcare provider since he or she is most familiar with your medical condition. Merck cannot respond to questions about general medical information or information regarding your specific condition.

To report an adverse experience with a specific Merck product, please call the Merck National Service Center at 800-444-2080.

For information on our U.S. patient assistance programs:

Merck resources and information:

Schering-Plough resources and information:

 

Merck BioManufacturing Network

To better serve our biotechnology and pharmaceutical customers as a biologics contract manufacturing organization (CMO), we have established a network that includes the Merck sites (MSD outside the USA & Canada) providing third-party services for bio-processing and bio-manufacturing services.

Included are Diosynth and MSD Biologics UK (formerly Avecia Biologics). For more information on this evolving network please follow the links below:

www.diosynthbiotechnology.com

www.merck.com/bmn

 

 

Contact the Merck Board of Directors

Merck will forward all communications from security holders and interested parties to the full Board, to non-management directors, to an individual director or to the chairperson of the Board Committee that is most closely related to the subject matter of the communication, except for the following types of communications:

  • communications that advocate that the company engage in illegal activity;
  • communications that, under community standards, contain offensive or abusive content;
  • communications that have no relevance to the business or operations of the company; and
  • mass mailings, solicitations and advertisements.

The Corporate Secretary, in consultation with the General Counsel, will determine when a communication is not to be forwarded. The company’s acceptance and forwarding of communications to the directors does not imply that the directors owe or assume any fiduciary duties to persons submitting the communications.

 

Write to the Merck Board

Board of Directors (or name of individual director)

Merck & Co., Inc.

P.O. Box 1150

Whitehouse Station, NJ 08889

 

Contact the Merck Audit Committee

Employees and stockholders may raise a question or concern to the Audit Committee regarding accounting, internal accounting controls or auditing matters by following the procedures located on Page 2, “Additional Assistance,” of Merck Code of Conduct – Our Values and Standards.

These procedures are part of Merck's overall code of conduct.