Simi Valley, California residents can choose from Original Medicare, Medicare Advantage, Medicare Supplement (Medigap), and Part D prescription drug plans, with availability set at the county level for Advantage and Part D. Simi Valley is served by the Thousand Oaks Social Security office, about 10 miles away. Independent, no-pressure plan comparisons are available free by phone or video.
Key Enrollment Dates: –
Initial Enrollment Period: 7-month window around your 65th birthday
Annual Enrollment Period: October 15 – December 7
General Enrollment Period: January 1 – March 31
Simi Valley residents searching for Medicare Supplement coverage often want the same things: lower surprise medical costs, access to trusted doctors, and a plan that fits your monthly budget. Medicare Supplement insurance, also called Medigap, works alongside Original Medicare to help pay certain remaining costs after Medicare pays its share. A licensed Medicare agent serving Simi Valley can help you compare standardized Medigap plans, including Plan G and Plan N, so you can make a confident choice without sorting through everything on your own.
MedicareVideoGuide.com provides independent Medicare enrollment guidance for Simi Valley, California residents in the 93063 and 93065 ZIP codes, entirely online by phone or video. As a Simi Valley resident in Ventura County, the specific Medicare Advantage and Part D plans available to you are set at the county level by CMS.
Video Caption: Medicare enrollment overview
Video Summary: This video walks through how Original Medicare, Medicare Advantage, Medigap, and Part D fit together, and what typically determines which combination makes the most sense depending on your health needs and budget.
Many Simi Valley residents keep working well beyond 65 — and if that describes you, your Medicare enrollment decisions deserve careful attention. When employer coverage is still in place, you have options that a recently retired person simply doesn’t, including the ability to delay certain parts of Medicare without triggering late enrollment penalties. But the rules around employer size, coordination of benefits, and enrollment windows are easy to misread, and a single misstep can mean unexpected costs or coverage gaps. A licensed Medicare broker serving Simi Valley can assess your current employer coverage, answer your Medicare questions in plain language, and build a clear enrollment strategy that protects your health and your budget — whether you’re planning to retire in one year or five.
Video Caption: Working Past 65 and Medicare
Video Summary: This video covers how Medicare coordinates with employer coverage when you’re still working past 65 — which parts you can safely delay, how group health plan size changes the rules, and the enrollment window that opens once you eventually leave that job.
One of the most important questions for many people on Medicare is whether they can keep seeing their current doctors and specialists. With Original Medicare and a Medicare Supplement plan, you can generally see any doctor or hospital in the United States that accepts Medicare. Medicare Advantage plans work differently because they often use provider networks, so it is important to check whether your doctors, hospitals, and specialists in or near Simi Valley are included before enrolling.
Source: KFF
Video Caption: Keeping your doctors on Medicare
Video Summary: This video explains why network access is one of the biggest practical differences between Medigap and Medicare Advantage, especially if you have doctors you don’t want to give up.
Medicare Advantage plans use narrower networks tied to specific hospital systems — KFF’s national analysis found enrollees have access to roughly half the physicians available to someone on Original Medicare in the same area.
Source: KFF
Medicare Supplement premiums don’t stay flat, and Simi Valley residents often don’t realize how much pricing can vary between carriers for the exact same coverage. Since Plan G and Plan N are standardized by law, price is really the only thing separating one carrier’s policy from another’s. A Medicare agent serving Simi Valley can show you a real side-by-side comparison instead of leaving you to guess whether your current premium is competitive.
Video Caption: Why Medigap premiums rise
Video Summary: This video breaks down why Medigap premiums for the exact same plan can rise at very different rates from one carrier to the next, and what that means for shopping around later without medical underwriting getting in the way.
The nearest Social Security field office to Simi Valley is in Thousand Oaks, located roughly 10 miles away. There is no field office located within Simi Valley itself.
This is the office where you can apply for Medicare, apply for Social Security retirement benefits, or request a replacement Social Security card in person.
Thousand Oaks Social Security Office 322 East Thousand Oaks Boulevard, Suite 110, Thousand Oaks, CA 91360 📍 Get Directions on Google Maps
Phone: (888) 397-4807 Fax: (833) 950-3033 Hours: Monday–Friday, 9:00 AM–4:00 PM (closed weekends and federal holidays — call ahead to confirm, as hours are subject to change)
This office also serves nearby Thousand Oaks.
Services available at this office: –
✅ Apply for Social Security retirement benefits
✅ Enroll in Medicare Part A and Part B
✅ Apply for Social Security Disability Insurance (SSDI)
✅ Apply for Supplemental Security Income (SSI)
✅ Request a new or replacement Social Security card
✅ Update direct deposit information
✅ Apply for spousal or survivor benefits
✅ Request a benefit verification letter
An appointment is strongly recommended over walking in. Many of these tasks can also be completed online at ssa.gov without an office visit.
Also asked as: “can I be denied Medicare Advantage for a health condition”
Medicare Advantage plans generally cannot deny your enrollment or charge you more because of a pre-existing condition, as long as you’re enrolling during a valid enrollment period and live in the plan’s service area.
Also asked as: “is there a limit on Medicare-covered physical therapy”
Original Medicare covers physical therapy when it’s medically necessary and ordered by a doctor, with no hard annual cap on the amount of therapy you can receive.
Also asked as: “will Medicare pay for oxygen at home”
Yes — Original Medicare Part B covers home oxygen equipment and supplies when a doctor determines you have a qualifying lung condition and documents the medical need.
Also asked as: “can my Medicare Advantage network change during the year”
Medicare Advantage plans can update their provider networks and drug formularies each year, typically taking effect January 1, and are required to notify members of significant changes in advance.
Also asked as: “what if my Medicare Advantage plan stops covering my area”
If a Medicare Advantage plan discontinues coverage in your area, you’ll receive advance written notice from the plan and Medicare, along with a Special Enrollment Period to choose a new plan.
Also asked as: “will Medicare pay for a podiatrist”
Original Medicare generally does not cover routine foot care, such as toenail trimming, for most people, but it does cover podiatry visits and foot care that are medically necessary, including for conditions related to diabetes.
CMS sets Medicare Advantage and Part D plan service areas at the county level. Insurance companies decide which counties to offer a plan in based on their own network and cost calculations, which means two people a few miles apart in different counties can have a genuinely different set of plans to choose from — even within the same metro area. Your independent Medicare agent can pull up the specific plans available in your county so you’re comparing your actual options.
Medicare decisions deserve careful planning, whether you’re turning 65, retiring soon, moving to Simi Valley, or leaving employer coverage.
Reach out today for a free, no-pressure Medicare plan comparison based on your ZIP code (93063 or 93065), preferred doctors, and prescriptions — every consultation is handled by phone or video, on your schedule.
Rodney Powell is an independent Medicare broker licensed in Texas and 36+ additional states nationwide, with carrier appointments including Physicians Mutual, United American, UnitedHealthcare (AARP), Humana, Aetna, Healthspring, Devoted, and KelseyCare. Rodney partners with HR and benefits professionals, CPAs, financial planners, real estate professionals, elder law attorneys, and senior group leaders to help people navigate Medicare enrollment with confidence. Learn more about Rodney →
Last Reviewed: June 12, 2026
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