And remember, just because our corporate office is here, we are still as close as your front door with our nearly 1,000 certified Respiratory Therapists across the country ready to assist you. 

If you have any questions or would like more information, our team will be happy to help.

Contact Us      


Our Toll-Free number: 1-877-307-2727


If you need to fax us documentation: 1-818-338-3501


Our local direct number: 1-818-338-3500.


Customer Service:


Billing Inquiries:


Or fill in our contact form to get contacted by a member of our patient services team:

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Our Corporate Office is located at:


5230 Las Virgenes Road, Suite 105 Calabasas, CA 91302

United States


If you live near our corporate office, feel free to contact us to schedule an appointment for your PAP or Oxygen needs.

Phone Hours

Monday: 6:00 AM - 6:00 PM

Tuesday: 6:00 AM - 6:00 PM

Wednesday: 6:00 AM - 6:00 PM

Thursday: 6:00 AM - 6:00 PM

Friday: 6:00 AM - 5:00 PM

Saturday and Sunday: Closed

Walk-In Hours

Monday: 8:00 AM - 5:00 PM

Tuesday: 8:00 AM - 5:00 PM

Wednesday: 8:00 AM - 5:00 PM

Thursday: 8:00 AM - 5:00 PM

Friday: 8:00 AM - 5:00 PM

Saturday and Sunday: Closed


You can now communicate directly to us from our new patient mobile application. By installing this application, you will be able to:

  • Ask our team questions through the app

  • Send pictures of your equipment or supplies if you are unsure how to describe your concern

  • Update insurance information

  • Update demographic information

  • Receive shipment tracking numbers


The Patient Hub app can be downloaded using the following links:

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