If you need to speak to a live customer service representative in Dexcom customer service you need to dial 1-888-738-3646. To speak with a live agent, you need to say “something else” and stay on the line (typical waiting time is about 1-5 minutes).

Alternatively you can use the following other options available in the customer service phone menu:

• If you’re calling about becoming a Dexcom customer press 1.
• If you’re calling about an error message and technical concerns with your Dexcom product or looking for adhesive patches press 2.
• For product training or questions about how to use your Dexcom CGM system press 3.
• For insurance claims or billing press 4.
• To reach our corporate directory press 5.

Dexcom Customer Service Hours

Live customer service representatives from Dexcom are available from 6am to 5pm PST Monday-Friday, Saturday-Sunday closed.

Dexcom Customer Support Phones

• Dexcom Customer Support Phone is 1-888-738-3646. Live customer service representatives from Dexcom are available from 6am to 5pm PST Monday-Friday, Saturday-Sunday closed.
• For Global Technical Support you need to dial 1-844-607-8398. Live customer service representatives are available 24 hours a day seven days a week.

Dexcom Social Networks Customer Service

• Dexcom customer service could be contacted via Dexcom Facebook page. Typically Dexcom customer service representative replies within an hour.
• You can view latest Dexcom photos on Dexcom Instagram page
• You can message a live customer service representative using Dexcom Linkedin page
• You can view latest Dexcom videos on Dexcom Youtube page

Dexcom Live Chat Support

You can start a live chat session with a Dexcom Support Agent on the Dexcom Chat page. To speak with a live agent, you need to press the “Click here for Live Chat” link. Chat is available from 5am to 5pm PDT Monday-Sunday.

Dexcom support e-mail

To contact Dexcom via e-mail you need to go to the Dexcom Webform page, fill in the form and press the “Submit” button.

Dexcom Fax Number

Dexcom does not have a fax number. Instead you can use 1-888-738-3646 phone number to contact Dexcom.

Dexcom Help Center

• You can get more information about Dexcom Customers on the Dexcom Customers Support page.

Dexcom Opening Hours

Monday 6am to 5pm PST
Tuesday 6am to 5pm PST
Wednesday 6am to 5pm PST
Thursday 6am to 5pm PST
Friday 6am to 5pm PST
Saturday closed
Sunday closed

If you need to speak to a live customer service representative in CVS Caremark customer service you need to dial 1-800-552-8159. To speak with a live agent, you need to press 1 or say “Member” (If you are a member), then say or enter a phone number you have on file starting with the area code, after say “Representative” and stay on the line (typical waiting time is about 2-3 minutes).

Alternatively you can use the following other options available in the customer service phone menu:

• If you are a member say “Member” or press 1.
• If you are calling from a doctor’s office and need help with a prior approval say “Doctor’s office” or press 2.
• If you are calling from a pharmacy say “Pharmacy” or press 3.

CVS Caremark Customer Service Hours

Live customer service representatives from CVS Caremark are available from 8am to 10am ET Monday-Friday, from 10am to 6:30am ET Saturday-Sunday.

CVS Caremark Customer Support Phones

• CVS Caremark Customer Support Phone is 1-800-552-8159. Live customer service representatives from CVS Caremark are available from 8am to 10am ET Monday-Friday, from 10am to 6:30am ET Saturday-Sunday.
• For TTY you need to dial 711.

CVS Caremark Social Networks Customer Service

• CVS Caremark customer service could be contacted via CVS Caremark Facebook page. Typically CVS Caremark customer service representative replies within an hour.
• You can also reach CVS Caremark support via CVS Caremark Twitter page
• You can view latest CVS Caremark videos on CVS Caremark Youtube page

CVS Caremark Mailing Addresses

CVS Caremark:
Customer Care Correspondence
PO Box 6590
Lee’s Summit, MO 64064-6590

CVS Caremark Live Chat Support

CVS Caremark doesn’t offer live chat support. The best way to contact CVS Caremark is to call them at 1-800-552-8159.

CVS Caremark support e-mail

CVS Caremark doesn’t offer live support via e-mail.

CVS Caremark Help Center

• You can get more information about CVS Caremark Customers on the CVS Caremark Customers Support page.

CVS Caremark Opening Hours

Monday 8am to 10am ET
Tuesday 8am to 10am ET
Wednesday 8am to 10am ET
Thursday 8am to 10am ET
Friday 8am to 10am ET
Saturday 10am to 6:30am ET
Sunday 10am to 6:30am ET

If you need to speak to a live customer service representative in Pfizer customer service you need to dial 1-800-879-3477. To speak with a live agent, you need to stay on the line (typical waiting time is about 5-15 minutes).

Alternatively, you can use the following other options available in the customer service phone menu:

• To report a suspected side effect, adverse reaction or consume about quality of a Pfizer or greenstone product say “Side Effect” or press 1.
• For patient assistance program RxPathways which provide support services such as Co-Pay assistance and access to medicines for eligible patients say “Co-Pay Assistance” or press 2.
• If you are calling regarding a Pfizer over the counter product such as Advil, Centrum or Nexium 24HR say “Over The Counter Product” or press 3.
• For product-related questions about animal health products say “Animal Health” or press 4.
• To hear information about storing and handling Prevnar13 say “Prevnar13” or press 5.
• For information about a Pfizer product say “Product Information” or press 6.

Pfizer Customer Service Hours

Live customer service representatives from Pfizer are available from 9am to 7pm EST Monday-Friday, Saturday-Sunday closed.

Pfizer Customer Service Phones

• Pfizer customer service phone number is 1-800-879-3477. Live customer service representatives from Pfizer are available from 9am to 7pm EST Monday-Friday, Saturday-Sunday closed.
• For Corporate Office you need to dial 1-212-733-2323.

Pfizer Social Networks Customer Service

• Pfizer customer service could be contacted via Pfizer Facebook page. Typically Pfizer customer service representative replies within an hour.
• You can also reach Pfizer support via Pfizer Twitter page
• You can view latest Pfizer videos on Pfizer Youtube page
• You can view latest Pfizer photos on Pfizer Instagram page

Pfizer Mailing Addresses

Corporate Mailing Address:
Pfizer Inc.
235 East 42nd Street NY, NY 10017

Pfizer Live Chat Support

Pfizer doesn’t offer live chat support. The best way to contact Pfizer is to call them at 1-800-879-3477.

Pfizer support e-mail

To contact Pfizer via e-mail you need to go to the Pfizer Contact page, select the Area of Inquiry, press “GO”, fill the form and press “SEND EMAIL”.

Pfizer Help Center

You can get more information about Pfizer on the Pfizer FAQ page.

Pfizer Opening Hours

Monday 9am to 7pm EST
Tuesday 9am to 7pm EST
Wednesday 9am to 7pm EST
Thursday 9am to 7pm EST
Friday 9am to 7pm EST
Saturday closed
Sunday closed

If you need to speak to a live customer service representative in Merck customer service you need to dial 1-800-444-2080. To speak with a live agent, you need to press 4 and stay on the line (typical waiting time is about 1-5 minutes).

Alternatively you can use the following other options available in the customer service phone menu:

• If you are a physician, healthcare provider or calling from a healthcare facility press 1.
• If you are a patient, caregiver or consumer press 2.
• If you are an employee press 3.
• For all other calls press 4.

Merck Customer Service Hours

Live customer service representatives from Merck are available from 8am to 7pm EST Monday-Friday, Saturday-Sunday closed.

Merck Customer Service Phones

• Merck customer service phone number is 1-800-444-2080. Live customer service representatives from Merck are available from 8am to 7pm EST Monday-Friday, Saturday-Sunday closed.
• If you have a coupon or voucher for a Merck product and need assistance with activation or processing you need to dial 1-877-264-2454.
• To reach a Merck employee you need to dial 1-908-740-4000.
• For Companion Animal (dogs, cats) you need to dial 1-800-224-5318.
• For Livestock, Poultry & Aquaculture (cattle, swine, dairy, poultry & fish) you need to dial 1-800-211-3573.
• For Equine (horses) you need to dial 1-866-349-3497.

Merck Social Networks Customer Service

• Merck customer service could be contacted via Merck Facebook page. Typically Merck customer service representative replies within an hour.
• You can also reach Merck support via Merck Twitter page
• You can view latest Merck photos on Merck Instagram page

Merck Mailing Addresses

Corporate Headquarters:
2000 Galloping Hill Road
Kenilworth, NJ 07033 U.S.A.

Merck Live Chat Support

Merck does not provide support via chat. The best way to contact Merck is to dial 1-800-444-2080.

Merck support e-mail

Merck doesn’t offer live support via e-mail.

Merck Help Center

You can get more information about Merck on the Merck Contact page.

Merck Opening Hours

Monday 8am to 7pm EST
Tuesday 8am to 7pm EST
Wednesday 8am to 7pm EST
Thursday 8am to 7pm EST
Friday 8am to 7pm EST
Saturday closed
Sunday closed