How may we help you?

Customer service & support

Current client? Visit our help center or use the methods below to contact us with any product support needs.

For service in English

Toll-free
1-866-MEDIDATA (633-4328)
Direct number
1-973-659-6780
Toll-free fax
1-877-743-2350
Direct fax
1-973-954-5621
Hours 

24 hours a day, 7 days a week

For service in Japanese, Korean and Chinese (Mandarin)

Japan (toll-free)
0120-543-675
APAC Help Desk fax
+81-3-67434010
China (mobile)
4008822034
China (Netcom)
10 800 744 0552
China (Telecom)
10 800 440 0532
Korea (toll-free)
02-6022-2403
Hours 

Japanese:  8:00 AM – 9:00 PM (JST)
Chinese:  9:00 AM – 6:00 PM (CST)
Korean:  9:00 AM – 6:00 PM (KST)

Help center link

Enter your country in the search box to find the toll-free number for your location.

Business & Sales

We can help you safely accelerate your clinical trials, with less cost and risk. Contact us to learn more.

Main
+1 212 918 1800

Main US Toll Free
+1 877 511 4200

Sales
+1 866 515 6044

Fax
+1 212 918 1818

Email
contact-sales@mdsol.com

Main/Sales
+81 3 4588 0800

Fax
+81 3 5222 2202

Main
+44 [0] 208 600 6400

Sales
+44 (0) 208 600 6497

Fax
+44 [0] 208 600 6402

Visit us

Americas

New York

350 Hudson Street
9th Floor
New York, NY 10014
United States

New Jersey

194 Wood Avenue South
Iselin, NJ 08830
United States

Philadelphia

20 Ash Street
Millennium 1, Suite 330
Conshohocken, PA 19428
United States

Houston

1301 Fannin Street
Suite 1295
Houston, TX 77002
United States

Ross

32 Ross Common, Suite 220
PO Box 870
Ross, CA 94957
United States

San Francisco

343 Sansome St
San Francisco, CA 94104-5607
United States

Asia Pacific

Tokyo

100-0005
Tokyo
JP Tower 29th Floor
2-7-2 Marunouchi, Chiyoda-ku
Japan

Beijing

Room 916, 9/F China Central Place, Tower 2
No.79 Jianguo Road
Chaoyang
Beijing Shi 100025
China

Seoul

Posco P&S Tower 17F
134 Teheran-ro
Gangnam-gu
Seoul
06234
South Korea

Singapore

JTC Summit
8 Jurong Town Hall Road #24-05
609434
Singapore

Shanghai

9F Eco City
1788 Nanjing West Road
Jing'an
Shanghai Shi 200040
China

Europe, Middle East, and Africa

London

Metro Bldg, 1 Butterwick
7th floor
Hammersmith
United Kingdom
W6 8DL
United Kingdom