How do i contact preferred care partners? If you have questions about your Medicare Advantage plan with Preferred Care Partners, please call us to speak to one of our member services representatives. 1-866-231-7201 (TTY 711) Calls to this number are free. Hours of Operation: 8 a.m. - 8 p.m. local time, 7 days a week.How do i apply to become a provider with preferredone? For chiropractic and acupuncture providers please visit www.fulcrumproviderportal.comfor access to Fulcrum's provider portal site. If you are interested in becoming a participating provider with PreferredOne, please click hereto apply for contract consideration. Contracted Provider Resources:What care plans does preferredhealth offer? Accountable Care Plans PreferredOne Simplicity PreferredHealth Inpidual & Family Plans Getting Care Find a Doctor Online Care Pharmacy Information Care and Coverage Tips Healthy Mom & Baby Vaccinations & Preventive Screenings Coverage & Benefits My Account Summary of Benefits Pharmacy Information Preventive Care Care and Coverage TipsIs preferredone part of unitedhealthcare? PreferredOne is now a part of UnitedHealthcare Click to learn more. What does it mean to achieve your best health? That’s up to you. Is it a good night’s sleep?