Which program would be most appropriate for a veteran's widow without sufficient funds for supplemental Medicare insurance?

The most appropriate program for a veteran's widow without sufficient funds for supplemental Medicare insurance is TRICARE for Life. This program is specifically designed to provide healthcare benefits to eligible military retirees, their families, and survivors. It acts as a secondary payer to Medicare, meaning that it can help cover costs that Medicare does not fully pay, thereby reducing out-of-pocket expenses significantly.

TRICARE for Life offers comprehensive healthcare coverage, including hospital and outpatient services, which can be crucial for individuals who may not have the financial means to afford supplemental insurance. Since the widow is a veteran's spouse, she is likely eligible for TRICARE, which makes it the best option among the choices provided.

While Medicaid could also assist those with limited income, it typically involves more stringent eligibility requirements and may not be the immediate choice for someone with ties to the military community seeking additional healthcare coverage. Supplemental Security Income primarily provides financial assistance for disabled individuals or those over 65, but it does not offer health insurance. Medicare Part D focuses solely on prescription drug coverage and wouldn't address the broader healthcare needs that TRICARE for Life would.