Health Care Providers
Blue Cross and Blue Shield of Oklahoma is working with you to keep your patients healthy. We offer our customers access to the most extensive network of health care providers in the state. For nearly 70 years, the high-quality care given to our members by our physicians and providers has helped us improve the health of the people we serve.
Click here to view our Provider news and updates page.
Click here to view our Provider training opportunities.
Have you had a recent change in information? Is your listing on our online Provider Finder accurate? Change your contact information. 
Phone menu for Medical Services
The Medical Services area phones now have a new menu selection. Voice activated prompts have been added, but you can also still choose a numbered option. The phone number for the precertification area is 1-800-672-2378.
To precertify a hospital admission or initiate a new case, call 1-800-672-2378 option 1 or use the voice prompt and say "precertification."
To provide clinical review, call 1-800-672-2378 option 2 or use the voice prompt and say "clinical review."
For case management or home IV infusion, dial 1-800-672-2378 option 3 or use the voice prompt and say "case management."
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