How to Get a Referral (and When You Actually Need One)
You have worked out which specialist you need. Then you call to book and are told you need a referral. For a lot of people this is where the process stalls, usually because nobody explains what a referral actually is or how to get one.
What a referral actually is
A referral is a formal recommendation from one doctor to another, usually from a primary care physician to a specialist. It serves two separate purposes that often get conflated.
Clinically, it passes on context: what has been examined, what has been ruled out, what test results already exist. Administratively, it is what your insurer may require before agreeing to pay for the specialist visit.
Whether you actually need one
This depends almost entirely on your plan type.
- HMO plans typically require a referral from your designated primary care physician before covering a specialist. Without one, you may pay the full cost.
- PPO plans usually allow you to self-refer to an in-network specialist without prior approval.
- EPO and POS plans vary. Some require referrals, some do not.
- Medicare Advantage plans often require them; Original Medicare generally does not.
How to find out in five minutes
Call the member services number on the back of your insurance card and ask two questions: "Do I need a referral to see a [specialty]?" and "Is [practice name] in network?"
Ask for a reference number for the call. If a claim is later denied, that number is your evidence that you checked.
How to ask for one
You do not usually need a full appointment. Many practices will process a referral request through their patient portal or by phone, particularly if you have been seen recently for the same issue.
When you ask, be specific and lead with facts rather than a request. Say what the symptom is, how long it has gone on, what has already been tried, and what you would like. For example: "I have had joint pain in both knees for three months, physical therapy has not helped, and I would like a referral to an orthopedist."
What to check before you leave
Referrals have terms that catch people out.
- How many visits it covers. Some authorize a single consultation, not ongoing care.
- How long it is valid. Many expire after 90 days or a year.
- Whether it names a specific practice or is open to any in-network specialist.
- Whether it has actually been sent. Do not assume. Confirm the specialist has received it before your appointment.
If your request is declined
Sometimes a refusal is clinically reasonable, and the doctor will explain why a specialist is unlikely to add anything yet. Ask directly: "What would need to change for a referral to make sense?" That gives you a concrete threshold.
If you disagree, you can ask for the reasoning to be recorded in your notes, request a second opinion within the practice, or check whether your plan allows self-referral anyway. Being told no is not the end of the path.
A practical note
Referrals are the single most common reason people abandon the process after working out which doctor they need. Sorting out the insurance question first, before you book anything, avoids most of that friction.
If you are still unsure which specialty to ask for, our symptom finder will point you toward a starting point, and every one of our specialty guides explains what that doctor treats.
Check your plan type
Our referral checker shows how each plan type usually works and gives you the exact question to put to your insurer.
Related reading
- Primary care vs. specialist: who to see first
- How to find a good doctor
- What a primary care physician treats
Sources
- MedlinePlus, U.S. National Library of Medicine (medlineplus.gov)
- Centers for Medicare and Medicaid Services (cms.gov)
- Relevant national medical specialty association guidance