Customer Service
Call customer service at 888-850-8526.
April 1 through September 30: 8 a.m. to 8 p.m. PT, Monday through Friday.
October 1 through March 31: 8 a.m. to 8 p.m. PT, Monday through Sunday.
For help with:
- General information
- Member benefits verification
- Member eligibility confirmation
- Claims payment, payment vouchers or remittance assistance
- Medical, payment, and pharmacy policy questions
- Provider network status confirmation
- Drug lists questions
- Part D prescription pre-approval and exceptions requests
Provider Relations
You can reach us at 877-342-5258, option 4 or email us with questions about the following items.
- Billing, practice or remittance address changes
- Practice location additions
- Tax identification number updates
- Adding/deleting a provider at your office
- Application and contract requests
- Copies of past communications
Behavioral Health Provider Network
To join this network, call Christine Rae at 206-926-0224 or email christine.rae@optum.com.
For general questions, call Optum at 800-711-4577.
Utilization Management
Call 855-339-8127, from 8 a.m. to 5 p.m. PT, Monday through Friday
Urgent (after-hours and holidays), call 866-322-6287
Fax (24-hour) at 866-809-1370
Technical issues
For technical issues related to Medicare Advantage secure pages and online tools, call 888-850-8526.
Credentialing
Visit our Join Our Network web page for provider credentialing and recredentialing information.