Contact
Contact Diamond Respiratory Care
Phone is the fastest way to reach us. Use the form for non-urgent questions — we respond during business hours.
Fax (800) 438-2048
1403 Palmyrita Ave, Riverside, CA 92507
Medical emergency: Call 911 immediately. This site cannot provide emergency medical care.
Urgent oxygen / respiratory equipment issues:
Call (800) 977-3002 — technicians available 24/7 for urgent equipment support.
Choose the best path
- Shopping or product questions — Call or browse the catalog, then call if you need guidance.
- Existing patients — Equipment support and service: see Patient support or call us.
- Providers — Referrals and ordering: see For providers or call our team.
Send a message
For non-urgent questions only. Select who you are so we can route your message.