Medicare help in Irvine & Newport Beach, California
Hoag, UCI Medical Center’s new Irvine campus, MemorialCare and Kaiser Irvine — the county’s most affluent Medicare market, where Medigap and the birthday rule get more use than almost anywhere.
What to know before you compare plans in Orange County
Irvine and Newport Beach share Orange County’s deep menu, but many residents here choose Original Medicare with a Medigap policy for unrestricted access to Hoag, UCI and Cedars or UCLA up the freeway. For those who prefer Advantage, Hoag’s own medical group, Greater Newport Physicians, Optum and Monarch each define a different set of doctors.
We compare what is sold at your ZIP code, confirm your doctors and medical group, and set Advantage beside a Medigap policy so the trade-off is plain.
Care close to home
Major care in the area includes:
Hoag Hospital (Newport Beach & Irvine)
UCI Health
MemorialCare Orange Coast
Kaiser Permanente Irvine (Senior Advantage only)
Providence Mission Hospital
Plan networks differ — we check that your doctors and hospital are covered before you enroll.
Communities we serve
Newport Beach, Newport Coast, Corona del Mar, Tustin, Costa Mesa, Lake Forest, Laguna Beach, Laguna Hills, Aliso Viejo.
When you can enroll
Turning 65? Your Initial Enrollment Period is the 7 months around your birthday. Already on Medicare? The Annual Election Period is Oct 15–Dec 7, Medicare Advantage Open Enrollment runs Jan 1–Mar 31, and California’s Medigap birthday rule gives you 60 days from your birthday each year to switch supplements without health questions.
Your options
Which kind of plan fits you in Irvine & Newport Beach?
Medicare Advantage
All-in-one Part C plans, often $0 premium, built on a county network — the choice of about half of California, and the one that changed most for 2026.
Medigap pairs with Original Medicare and works with any provider nationwide — UCLA, Stanford, Cedars, City of Hope, or your doctor in Arizona — with California’s birthday rule to switch every year.
Orange County typically offers a deep Medicare Advantage menu, every Medigap carrier in California, and the full Part D lineup. Availability is set by county and changes each plan year.
Will my Irvine doctors take a Medicare Advantage plan?
Each system contracts with some Medicare Advantage plans and not others, and the lists change every October. With Original Medicare and a Medigap policy there is no network to check, except Kaiser, which is reached only through Kaiser Senior Advantage. We confirm your doctors before you enroll.
How much does your help cost?
Nothing. Independent agents are paid by the carriers when you enroll, so comparing plans and reviewing your coverage each year is free to you.
Written and reviewed by Darin Weidauer — licensed insurance agent (NPN 18580338, CA License #0M00978), Gerontologist (USC Leonard Davis School of Gerontology), MBA, Registered Social Security Analyst, and 22-year U.S. Air Force veteran.Last reviewed September 4, 2026. Plan availability, benefits and costs change every plan year — verify current details at Medicare.gov, 1-800-MEDICARE, or California HICAP at 1-800-434-0222.