Costilla County Medicare overview
Costilla County is at the southern end of the San Luis Valley along the New Mexico border. San Luis is the oldest town in Colorado. Many residents are dual-eligible for Medicare and Medicaid.
Medicare Advantage plans
Costilla County has approximately 3-5 Medicare Advantage plans.
Part D drug plans
San Luis residents can choose from 15+ standalone Part D plans. The best plan depends on your specific medications.
Find a Medicare agent in San Luis
A licensed Medicare agent can help you compare plans, understand costs, and enroll — all at no cost to you. Agents are paid by insurance carriers, not by you.
Good to know: In rural areas like Costilla County, an agent's guidance is especially valuable since plan options may be more limited. An agent can identify the best coverage available at your specific ZIP code.
Compare plans in Costilla County
Plan availability and costs vary by county. See every Medicare Advantage, Medigap, and Part D plan available at your ZIP code.
Nearest Social Security office
The nearest Social Security office for Costilla County residents is in Pueblo.
| Office | Address | Phone |
|---|---|---|
| Pueblo | 421 N Main St, Pueblo, CO 81003 | 1-866-931-8395 |
Tip: Most Medicare tasks can be handled online at ssa.gov or by calling 1-800-772-1213.
Free Medicare counseling
The Colorado SHIP program provides free, unbiased Medicare counseling for Costilla County residents through the San Luis Valley Area Agency on Aging. Call the statewide SHIP hotline at 1-888-696-7213.
Nearby areas
Neighboring communities include San Luis, Fort Garland, Alamosa, and Trinidad. Plan availability is determined by county, so all residents within Costilla County share the same Medicare plan options.