Medicare Advisor in Carlsbad: Original Medicare + Supplement, and When Advantage Actually Fits

Carlsbad is one of the most established high-net-worth markets in North County. Many of the clients we work with here live in La Costa, Aviara, Bressi Ranch, or close to the beach in Carlsbad Village. A lot of them are still working, or have just stepped away from an executive role, and are planning retirement with a financial advisor. Medicare is often the last piece of that plan to get done.

If you live in Carlsbad and you’re getting close to 65, the questions are usually the same. Which doctors do I want to keep? What will IRMAA add to my premiums? Do I choose Original Medicare with a Supplement, or Medicare Advantage? Brian McArthur, creator of the Medicare Execution Process®, works through those questions with Carlsbad clients and their advisors. He works from our Escondido office, about 20 minutes inland.

The local network reality: Tri-City, Scripps and UCSD

Carlsbad sits in the middle of the coast, so residents can reach several health systems:

  • Tri-City Medical Center: the full-service hospital on Vista Way in Oceanside, just north of the Carlsbad line. It’s the closest inpatient hospital for much of Carlsbad.
  • Scripps Memorial Hospital Encinitas: a short drive south on I-5. Clients who already see Scripps doctors often use it.
  • Scripps Memorial Hospital La Jolla and Scripps Clinic: used for specialty surgery and for advanced cardiac and cancer care.
  • UC San Diego Health (La Jolla / Hillcrest): academic medicine, complex specialty care and clinical trials.

Tri-City, Scripps and UC San Diego Health all accept Original Medicare. Under Medicare Advantage, networks vary by plan and can change from year to year. One plan may include Tri-City but leave out Scripps La Jolla. Another may include some Scripps locations but not UCSD.

If you want access across all these systems (Tri-City close to home, Scripps for routine specialty care, UCSD for complex cases), Original Medicare with a Medigap Supplement gives you that.

Turning 65 in Carlsbad: the timeline

  • Initial Enrollment Period: a seven-month window around your 65th birthday month (the three months before, the month itself and the three months after).
  • Still working with employer coverage? You may be able to delay Part B without a penalty. The size of the employer group matters, and so does whether your coverage is “creditable.” Check this before you turn 65, not after.
  • HSA contributions: these must stop once you’re enrolled in any part of Medicare. Premium-free Part A can be backdated by up to six months, so plan the cutoff ahead.
  • Medigap open enrollment: a six-month window that starts with your Part B effective date. During it, you can buy any Supplement without medical underwriting.

Original Medicare + Supplement: open architecture

Parts A and B come from the federal government. Parts C and D come from private insurance companies. You either stay with Original Medicare (A and B, plus a Medigap Supplement and a standalone Part D plan) or you move to Medicare Advantage (Part C).

The structure in 2026:

  • Part A: hospital coverage, premium-free for most people
  • Part B: doctors and outpatient care, $202.90/month standard premium (more if IRMAA applies)
  • Plan G Supplement: covers what Original Medicare doesn’t, except the $283 annual Part B deductible
  • Part D: a standalone prescription drug plan

Plan N is the lower-premium option. It has the same structure, with small copays for office and ER visits. California’s birthday rule lets you switch Supplements each year around your birthday without medical underwriting, provided the new plan has equal or lesser benefits.

When Medicare Advantage fits

Medicare Advantage can be good coverage for the right person. That’s usually someone without established specialist relationships across several systems, who is comfortable with a primary care doctor coordinating their care, and who values having drug coverage and extras bundled into one plan. The trade-off is network restrictions and prior authorization. Benefits, premiums and networks vary by plan and by year, so we compare the specific plans we offer in San Diego County against your doctors and prescriptions.

There’s no Goldilocks porridge in the middle. You either pay for open access with a Supplement, or you accept a network in exchange for a lower premium. The right choice is the one that matches your actual medical life.

IRMAA at Carlsbad income levels

For many La Costa, Aviara and coastal Carlsbad households, IRMAA is part of the plan. These are the 2026 Part B brackets for single filers. Married couples filing jointly use double the income thresholds and pay the same per-person premium:

  • Up to $109,000: $202.90/month
  • $109,001 – $137,000: $284.10/month
  • $137,001 – $171,000: $405.80/month
  • $171,001 – $205,000: $527.50/month
  • $205,001 – $500,000: $649.20/month
  • Above $500,000: $689.90/month

There’s a two-year lookback, so your 2024 tax return sets your 2026 premium. Stock sales, deferred compensation, RMDs and Roth conversions can all push you into a higher bracket. That’s why we coordinate with your financial advisor and CPA. If income drops after a qualifying life-changing event, such as retirement, you can file Form SSA-44 to ask Social Security to lower your IRMAA.

Working alongside your financial advisor

Most of our Carlsbad clients come to us through their financial advisor, wealth manager, CPA or estate planning attorney. Brian builds the Medicare plan inside the financial plan. He maps your medical relationships, models IRMAA from your income plan, and keeps your advisor informed on what was placed and why. There’s no fee-sharing arrangement.

How the Medicare Execution Process® works for Carlsbad clients

The first call is 30 minutes, with no slide deck and no obligation:

  • We map your doctors at Tri-City, Scripps, UCSD or any concierge practice.
  • We pull your IRMAA picture from your most recent tax return and your retirement income plan.
  • We compare Supplement and Advantage with real numbers for both.
  • We recommend Plan G or Plan N, from the carriers we offer in San Diego County.
  • We add Part D drug coverage that matches your prescription list.
  • We review your coverage every fall during the Annual Enrollment Period.

There’s no cost for the planning conversation.

Frequently asked questions

Is Tri-City Medical Center covered if I live in Carlsbad?

Tri-City accepts Original Medicare, so with Original Medicare and a Supplement you can use it like any other Medicare-participating hospital. Under Medicare Advantage, it depends on the plan’s network for that year.

Can I see a Scripps doctor and a UCSD specialist at the same time?

Yes, with Original Medicare and a Supplement. You don’t need referrals, and any provider that accepts Medicare is available to you. With Medicare Advantage, seeing doctors in more than one system depends on the plan’s network rules.

I’m still working past 65. Do I have to sign up for Medicare?

Not always. If you have creditable coverage through a large employer, you may be able to delay Part B without a penalty. We check this with you and your advisor before your birthday.

Can my financial advisor refer me directly?

Yes. Most Carlsbad clients are referred by their advisor. Brian keeps the advisor informed about the plan placed and what it means for IRMAA.

Book a 30-minute Medicare planning call

Live in La Costa, Aviara, Bressi Ranch or Carlsbad Village and getting close to 65? Book a 30-minute call with Brian McArthur. We’ll cover your doctors, your income picture and which type of coverage fits.

Book your call at go.designmymedicare.com/brian

Phone: 619-885-0556

For the full side-by-side comparison, see Medicare Advantage vs. Medicare Supplement. Nearby areas we serve: Oceanside, Encinitas, San Marcos and Vista. If your Medicare Advantage plan is ending, see what to do if you are losing your Medicare Advantage plan in 2027.

Brian McArthur is a licensed insurance agent. Design My Medicare® and the Medicare Execution Process® are registered trademarks. Premium figures cited are 2026 standard amounts published by CMS; individual premiums vary based on income (IRMAA), plan choice and carrier. Not connected with or endorsed by the U.S. government or the federal Medicare program.