San Francisco, 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. San Francisco has multiple Social Security field offices (Downtown, Chinatown, and Mission), with assignment depending on neighborhood. 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
San Francisco 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 San Francisco 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 San Francisco, California residents in the 94102, 94110, 94114 and 94122 ZIP codes, entirely online by phone or video. As a San Francisco resident in San Francisco 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 San Francisco 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 San Francisco 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.
Concerned about keeping your current doctors in San Francisco? You’re not alone. A Medicare Supplement plan (Medigap) gives you the freedom to visit any doctor or specialist who accepts Original Medicare, covering roughly 99% of providers across the country with no network restrictions. Let your Medicare Wingman at MedicareVideoGuide.com review your options and help you protect those trusted relationships without the hassle of network limitations.
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
In San Francisco, Medicare Supplement premium increases are one of the most common frustrations seniors bring to a Medicare agent. Because Medigap plans are standardized nationwide, a Plan G from one company covers exactly the same things as a Plan G from another — pricing is the only variable. Reach out to your Medicare Wingman at MedicareVideoGuide.com for a free comparison of what’s currently available in San Francisco.
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 Social Security field office serving San Francisco is located within the city.
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.
San Francisco Downtown Social Security Office 90 7th Street, Annex, 1st Floor, San Francisco, CA 94103 📍 Get Directions on Google Maps
Phone: (866) 964-5051 Fax: (833) 571-2681 Hours: Monday–Friday, 9:00 AM–4:00 PM (closed weekends and federal holidays — call ahead to confirm, as hours are subject to change)
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: “does my Part D plan change if I move”
Moving outside your Part D plan’s service area triggers a Special Enrollment Period that lets you choose a new Part D plan without waiting for the Annual Enrollment Period.
Also asked as: “does Medicare pay for an osteoporosis screening”
Original Medicare covers a bone density screening (bone mass measurement) once every 24 months for people who qualify based on risk factors, and more often if medically necessary.
Also asked as: “will Medicare pay for costs related to a clinical trial”
Original Medicare covers routine costs associated with qualifying clinical trials, such as doctor visits and standard tests, even though it doesn’t cover the experimental item or service being studied itself.
Also asked as: “does Medicare make me rent equipment instead of buying it”
For certain types of durable medical equipment, Medicare determines whether the item is rented or purchased based on Medicare’s own equipment classification rules, not personal preference.
Also asked as: “what counts as creditable drug coverage”
Creditable prescription drug coverage means a non-Medicare drug plan, such as one from a current employer, is expected to pay at least as much as standard Medicare Part D coverage.
Also asked as: “does Medicare pay for a dietitian”
Original Medicare covers medical nutrition therapy for people with diabetes or kidney disease when referred by a doctor, typically provided by a registered dietitian.
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 San Francisco, or leaving employer coverage.
Reach out today for a free, no-pressure Medicare plan comparison based on your ZIP code (94102, 94110, 94114 or 94122), 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 21, 2026
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