Media Center

Assets intended for use by media professionals.

For general media inquiries only, please call +1 908-740-5633 or e-mail Media Relations. Members of the media seeking information on a specific topic may also contact the following individuals:

Elizabeth Cooney

Title: Enterprise Social Media
Office Phone: +1 267-305-1158

Pamela Eisele

Title: Product, Pipeline & Supply Media Relations
Office Phone: +1 267-305-3558

Claire Gillespie

Title: Corporate Media Relations
Office Phone: +1 267-305-0932


Additional Contacts


For consumer or patient-related questions, please contact your physician, pharmacist or other health care provider.

To report an adverse experience with a specific Merck product, please call the Merck National Service Center at +1 800-672-6372.

Health Care Professionals:

If you are a physician, pharmacist or other health care provider and have a question(s) or need information about a specific Merck product or service, please call the Merck National Service Center for Health Care Professionals at +1 866-448-7590.

For Stock Holders:

Tel: +1 800-522-9114
Monday-Friday, 7AM – 7 PM CST

For Institutional Investors and Analysts:

Tel: +1 908-423-5881
Monday-Friday, 8:30 AM – 4 PM ET

Merck Corporate



Kenneth C. Frazier




Company Snapshot

From developing new therapies that treat and prevent disease to helping people in need, we're committed to improving health and well-being around the world. Visit our About Us section.


Everything you need to know about Merck.


Our pipeline is continually evolving and is updated quarterly.


How we govern ourselves as a company is as important as anything else we do.

Join the Conversation

Connect with us on Facebook, Twitter, and LinkedIn to learn more about our corporate initiatives, including those in health and wellness, philanthropy and corporate responsibility.

Elizabeth Cooney, Social Media +1 267-305-1158

Please read our social media guidelines.

Learn more about how we’re speeding up the drug discovery timeline, creating efficiencies and striving to make the… hours 4 min ago
The risk of acquiring #HIV is 27 times higher among men who have sex with men. Talk with your doctor to learn how t… hours 4 min ago
Our scientists are shaping the future of human health and dedicating their life’s work to improving the lives of pa… day 9 hours ago
We’re proud to create an inclusive environment where invention and innovation is made possible. #PrideMonth… day 10 hours ago
We are proud to #wearwhite to help support a future with more hope for #cancer patients. Join us for retweeting to… day 15 hours ago
Our scientists are shaping the future of human health and dedicating their life’s work to improving the lives of patients around the globe. Meet Rob Garbaccio. #InventingForLife
Meet Rob Garbaccio
about 1 day 8 hours ago
“Dear Patrick: You’ll realize the most important principle they teach you is hope." If Patrick could go back in time, he'd remind himself that connecting with others will get him through his battle with #melanoma. Here's his story: m​e​r​c​k​.​u​s​/​2​K​s​X​I​I​F Share your #WithLoveMe message.
Dear Patrick
about 3 days 12 hours ago
What is Merck’s approach to real-world data?
Merck’s Approach To Real-World Data
about 5 days 6 hours ago