For many people in their later years, estate planning feels complete once a will or trust is signed. But one of the most consequential documents in any plan — the medical power of attorney — is often the least discussed. If you become seriously ill or incapacitated, this document determines who speaks for you and how well-prepared they are to do so.
What Is a Medical Power of Attorney?
A medical power of attorney, sometimes called a healthcare power of attorney, is a legal document that authorizes a trusted person — your agent — to make healthcare decisions on your behalf if you are no longer able to communicate or manage your own care. Your agent’s role is to make decisions consistent with what you would have chosen, to the extent your wishes are known.
In California, this document must be in writing and signed before two witnesses or a notary public. State law generally prohibits your healthcare providers, or individuals who may inherit from you, from serving as witnesses. The document typically takes effect only when you are no longer able to express your own wishes — not before.
Most states, including California, do not permit you to name a healthcare provider as your agent, but you may designate any other mentally competent adult you trust.
What Your Agent Needs to Know
Naming an agent is only the first step. Many people sign a medical power of attorney, file it away, and never discuss it with the person they have named. That gap between documentation and communication is where plans most often break down.
The more your agent understands about your values, medical history, and preferences, the better positioned they will be to act on your behalf — especially under pressure. Ideally, this conversation happens well before any health crisis, when there is time to be thoughtful and thorough. Consider sitting down together in person, without distractions, and revisiting the discussion periodically as your circumstances change. If it would help to have a framework for the conversation, your estate planning attorney can guide you through the key areas to cover.
A candid, unhurried conversation — with your wishes documented in writing — can make an enormous difference when it matters most.
Consider providing your agent with the following:
- Preferred providers. Share the names and contact information for your primary physician and any specialists you see regularly. If there are providers you do not want involved in your care, note that explicitly as well.
- Hospital and facility preferences. Identify the hospitals or medical facilities you prefer, and any you wish to avoid, so your agent can direct your care accordingly.
- Existing medical conditions. Describe any conditions that could complicate your treatment or be misread by providers unfamiliar with your history. For example, certain physical conditions can present symptoms that resemble psychiatric ones — your agent should know to rule out physical causes first.
- Surgical and treatment history. Provide a summary of past surgeries and significant medical procedures, including approximate dates, so your agent can give treating physicians an accurate picture of your health history.
- Current medications. Maintain an up-to-date list of all medications, dosages, and prescribing physicians. If there are specific drugs you want your agent to decline on your behalf, document those restrictions clearly.
- Allergies and adverse reactions. Make sure your agent has a written record of all allergies — particularly to medications or foods — so they can help prevent errors if you are unable to speak for yourself.
- Quality-of-life priorities. This is often the most important conversation of all. Help your agent understand what matters most to you — whether that is comfort, independence, or active medical intervention. Be specific where you can: your preferences regarding life-sustaining measures such as a ventilator or feeding tube are exactly the kind of guidance your agent may need in a difficult moment.
- Spiritual and personal beliefs. If your religious or personal beliefs influence your healthcare preferences, share them. Whether that means certain end-of-life customs, a preference regarding a chaplain on your care team, or guidelines around the aggressiveness of treatment, your agent should understand where you stand.
Naming at least one successor agent — a backup who is legally authorized to step in if your primary agent is unavailable — is also worth discussing with your attorney when you put this document in place.
Reviewing What You Already Have in Place
If you already have a medical power of attorney, consider sitting down with your agent periodically to review it together. Circumstances change — health conditions evolve, relationships shift, and your priorities may look different than they did when you first signed the document. An annual review is a reasonable habit that can keep your plan current and your agent well-informed.
A well-prepared agent is one of the most meaningful protections you can put in place — not just for yourself, but for the family members who would otherwise be left making these decisions without guidance.
Schedule Your Right Fit Conversation
Whether you are putting a medical power of attorney in place for the first time or revisiting one that no longer reflects your current wishes, the Janet L. Brewer team is here to help. Your Right Fit Conversation is a 30-minute getting-to-know-you meeting designed to help us understand your situation and determine whether our firm is the right fit for your needs.
Call us at (650) 325-8276 or complete our online contact form to schedule your meeting.
