What Is a Healthcare Proxy and How Do I Choose One?

The short answer: A healthcare proxy (also called a Healthcare Power of Attorney or Healthcare Agent) is the person you legally designate to make medical decisions on your behalf if you become unable to make or communicate them yourself. Choosing the right proxy — and having an honest conversation with them — is one of the most important things you can do for your future care.

Your healthcare proxy is the person who will speak for you when you cannot speak for yourself. Their role may include: consenting to or refusing surgery, deciding whether to initiate or continue life-sustaining treatment, and ultimately deciding when to shift to comfort-focused care. The person you choose, and how well they know your wishes, determines everything.

Healthcare Proxy vs. Living Will

These are complementary documents, not duplicates:

• A Living Will (Advance Directive/Declaration) specifies what treatments you do or don't want in specific circumstances. It speaks directly to medical teams but is limited to the scenarios you've anticipated.
• A Healthcare Proxy designates a person to make decisions for all the situations your Living Will didn't anticipate. Together, they cover the full range of medical decisions.

Both documents are important. If you have only one, a healthcare proxy is often more powerful in practice — because no document can anticipate every possible medical scenario, but a trusted person who knows your values can navigate any situation.

Who Should Be Your Healthcare Proxy?

Not necessarily your spouse, oldest child, or closest family member — though it may be. The right person is:

• Someone who knows and honors your values — even when those values are different from their own
• Someone who can make difficult decisions under pressure — healthcare proxy decisions are often made in crisis, with time pressure and emotional weight
• Someone who will advocate for your wishes — even against the preferences of other family members or the medical team
• Someone geographically accessible — or available by phone, as these decisions often happen urgently
• Someone who will be honest with you — rather than telling you what you want to hear about their willingness to carry out your wishes

Who Should Not Be Your Healthcare Proxy

• Someone who cannot emotionally separate their own grief and wishes from yours (may lead to prolonging care you wouldn't want)
• Someone who disagrees with your values but you feel obligated to choose (cultural pressure to name an eldest son, for example)
• Your primary physician (conflict of interest in most states)
• Staff at a care facility where you reside (varies by state)

The Conversation You Must Have

Designating a proxy without an honest conversation with them is almost as bad as having no proxy. Specifically discuss:

• "If I were in a state of severe cognitive impairment with no realistic expectation of recovery, what would you do?" (Clarity on this specific scenario prevents the most common family conflicts)
• "If the doctors say there's a 5% chance of meaningful recovery and I'm on life support, what would you do?"
• "What matters most to me is [quality of life / being alive at any cost / being home / not being in pain]. Can you honor that?"
• "Are you willing to disagree with [other family members] if that's what my wishes require?"

Backup Proxy

Designate a second person in your Healthcare POA form — in case your first choice is unavailable, incapacitated, or unwilling to serve when the time comes.

Revisiting Your Choice

Healthcare proxy designations should be revisited: after major life changes (divorce, estrangement, geographic move), when your values change, and at least every 5–10 years. An out-of-date designation can create exactly the crises it was meant to prevent.

Frequently Asked Questions

Does a healthcare proxy have to be a family member?

No. A healthcare proxy can be any trusted adult — a close friend, neighbor, spiritual advisor, or community member. In fact, for some people, a trusted friend who truly knows their values is a better choice than a family member whose grief or values might interfere with honoring the patient's wishes.

What power does a healthcare proxy actually have?

A healthcare proxy can make any medical decision the patient could make themselves: consenting to or refusing treatment, deciding whether to continue or stop life support, directing care to comfort-focused hospice, and making all medical decisions when the patient lacks capacity. Their authority is extensive and supersedes most family members' preferences.

Can I change my healthcare proxy designation?

Yes, at any time. Write a new Healthcare Power of Attorney naming the new person, ensure it meets your state's requirements (usually witness or notarization), and notify your medical providers, the new proxy, and the previous proxy. Shred or destroy older versions to prevent confusion.

What happens if I don't have a healthcare proxy?

Without a Healthcare Power of Attorney, decision-making defaults to state law's next-of-kin hierarchy — typically spouse, then adult children, then parents, then siblings. If multiple people in the same tier disagree, the conflict may require court resolution. If no family exists, the state may appoint a guardian. This process is often slow, contested, and may not reflect your wishes.

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