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Summary: A plain-language guide to insurance eligibility verification for clinics and billing teams in 2026. Defines eligibility vs benefits verification vs prior authorization, walks through an eight-step process, compares ways to check (payer portal, clearinghouse 270/271, Medicare HETS, phone), lists what to read in a response, gives 2026 Medicare Part B figures and includes a denial-cost calculator.
Insurance eligibility verification is confirming, before the visit, that a patient's coverage is active on the date of service and learning what the plan covers and what the patient owes. You do it through the payer's portal, an electronic eligibility transaction (270/271) sent through your software or clearinghouse, or by phone. Both UnitedHealthcare and Aetna tell providers to verify before care (UnitedHealthcare's 2026 Administrative Guide and Aetna's eligibility notice).
This guide covers the process step by step, the ways to check, what to read in the response, 2026 Medicare figures, a calculator for what missed checks cost your clinic, and links to payer-specific guides.
Eligibility verification vs benefits verification vs prior authorization
These three steps are often lumped together but answer different questions. Doing the first without the others is a common source of avoidable denials.
| Step | Question it answers | Typical output | When |
|---|---|---|---|
| Eligibility verification | Is the patient covered on the date of service? | Active or inactive status, effective and termination dates, plan and payer | At scheduling and again before the visit |
| Benefits verification | What does the plan cover and what does the patient owe? | Copay, coinsurance, deductible and amount met, visit limits, out-of-pocket maximum | Before the first visit and when the benefit year resets |
| Prior authorization | Does the payer need to approve this service first? | Authorization number, approved visits and dates | Before services the plan requires it for |
Insurance eligibility verification process: 8 steps
- Collect the patient's details at scheduling: name, date of birth, payer, member ID and a copy of both sides of the card.
- Identify the right payer and plan: the plan name and administrator on the card, not just the brand, since a third-party administrator or carve-out may handle the benefit.
- Run the eligibility check for the date of service: use the payer portal, your software's real-time check or the clearinghouse.
- Read the coverage dates and status: make sure the policy is active on the actual service date.
- Record the benefits: copay, coinsurance, deductible and amount met, visit limits and out-of-pocket maximum.
- Check for referral and prior authorization requirements and start the request if one is needed.
- Check for other coverage: note which plan is primary and which is secondary.
- Document and communicate: save the response, and tell the patient what to expect to pay before the visit. Re-check on the day of service.
Ways to check insurance eligibility
| Method | How it works | Best for | Watch out for |
|---|---|---|---|
| Payer portal | Sign in to the payer's provider website and search the member | One-off checks and payer-specific detail | Each payer has its own login and layout |
| Clearinghouse or EDI 270/271 | Your software sends an eligibility request and receives the 271 response electronically. CORE-certified entities must return real-time responses in 20 seconds or less for at least 90% of requests in a month (CAQH CORE 156 rule) | Checking many patients, or automatic checks at scheduling | Response detail depends on the payer, and some items such as network status may not be returned |
| Medicare HETS | CMS's HIPAA eligibility transaction system gives Medicare providers, suppliers and their billing agents eligibility data to prepare an accurate claim, determine beneficiary liability or determine eligibility for specific services (HHS and CMS description of the Medicare 270/271 eligibility system) | Medicare fee-for-service patients | Access is through your billing agent, clearinghouse or Medicare contractor portal |
| Phone | Call the provider number on the patient's card | Complex cases and anything the portal does not show | Slow. Record the date, time, representative and reference number |
| Integrated software | Eligibility checks built into scheduling and billing workflows | Clinics that want checks to happen automatically | Confirm which payers and what detail the check returns |
What to read in an eligibility response
| Field | Why it matters |
|---|---|
| Coverage status and dates | An inactive policy on the date of service means the claim will be rejected |
| Plan name, plan type and administrator | Determines referral rules, network rules and where the claim goes |
| Copay, coinsurance, deductible and amount met | Tells you what to collect at the visit |
| Out-of-pocket maximum and amount met | Sets the patient's ceiling for the year |
| Visit limits and amount used | Therapy benefits often have an annual cap |
| Referral and prior authorization requirements | Missing one is a common avoidable denial |
| Coordination of benefits | Which plan is primary decides where the claim is billed first |
| Network status | Confirm separately if the response does not return it |
Medicare eligibility checks: 2026 figures for therapy clinics
For Medicare patients, verify eligibility and check how much of the deductible has been met. Key 2026 numbers from CMS: the Part B annual deductible is $283 (up from $257 in 2025), per the CMS 2026 Medicare Parts A and B fact sheet. The KX modifier threshold for 2026 is $2,480 for PT and SLP combined and $2,480 for OT, per the CMS therapy services page.
| Item | 2026 figure | Source |
|---|---|---|
| Part B annual deductible | $283 | CMS 2026 Parts A and B fact sheet |
| Part B standard monthly premium | $202.90 | CMS 2026 Parts A and B fact sheet |
| KX modifier threshold, PT and SLP combined | $2,480 | CMS therapy services page |
| KX modifier threshold, OT | $2,480 | CMS therapy services page |
Eligibility denial cost calculator
Use this to see what claims lost to eligibility problems cost your clinic each month. Use your own denial data. The values shown are placeholders, not benchmarks.
What do eligibility denials cost us each month?
Enter your own numbers. The values shown are placeholders.
| Per month | Amount |
|---|
A simple model: denied claims times the share never recovered times the payment, plus rework cost on every denied claim. It ignores delayed cash flow and patient balances. Replace every input with your own data.
Common eligibility verification mistakes
- Treating "active" as a promise to pay: Active coverage does not mean the service is covered or that the claim will be paid. Check benefits and authorization too.
- Checking the wrong date: Run the check for the date of service, not the date you booked the visit.
- Missing secondary coverage: Ask about other insurance every time and review the coordination-of-benefits section.
- Missing benefit-year resets: Deductibles and visit counts often reset at the start of a plan year, so re-check in January or at the plan's renewal date.
- Assuming network status: Some responses do not return it. UnitedHealthcare states that network status is not returned on 270/271 transactions.
- No owner: Name one person or system responsible for every check, and write down the check in the patient record.
Payer-specific eligibility verification guides
Each payer has its own portal, phone numbers and rules. These guides cover the details.
| Payer or topic | Guide |
|---|---|
| UnitedHealthcare | UnitedHealthcare eligibility verification |
| Aetna | How to verify Aetna eligibility |
| UMR | UMR eligibility verification |
| Optum | Optum eligibility verification |
| APWU Health Plan | APWU eligibility verification |
| Allied Benefit Systems | Allied Benefit Systems eligibility |
| Eligibility vs prior authorization | Insurance eligibility verification vs prior authorization |
| Real-time checks | Real-time insurance eligibility verification |
| Front-desk process | Steps to verify patient insurance information and eligibility |
Insurance eligibility verification for therapy clinics with SPRY
SPRY, a PT, OT, SLP, chiropractic and behavioral health platform, includes a bulk eligibility verification dashboard in its RCM and billing service and billing software. On its RCM page, SPRY states 97%+ eligibility accuracy and 95%+ clean claims on first submission, which are SPRY's own figures, so ask how each is measured. You can also book a demo or read medical insurance eligibility verification and the process of verifying patient health insurance.
Frequently asked questions
What is insurance eligibility verification?
It is the check that confirms a patient's insurance is active on the date of service and shows what the plan covers and what the patient owes. It is done before the visit through a payer portal, an electronic 270/271 transaction or a phone call.
How do I verify insurance eligibility?
Collect the patient's payer, member ID and date of birth, run the check for the date of service through the payer portal, your software or a clearinghouse, read the coverage dates and benefits, check for referral or authorization requirements and save the result. Re-check on the day of service.
What is the difference between eligibility and benefits verification?
Eligibility verification confirms that coverage is active. Benefits verification confirms what the plan covers, such as copay, coinsurance, deductible and visit limits. Many electronic checks return both, but you still need to read the benefits.
What is a 270/271 transaction?
It is the standard electronic eligibility inquiry (270) and response (271) used under HIPAA. Your software or clearinghouse sends the 270 and receives the 271 with coverage and benefit details.
How long does an eligibility check take?
Real-time electronic checks are fast. Under the CAQH CORE 156 rule, CORE-certified entities must return real-time responses within 20 seconds, for at least 90% of requests in a month. Phone checks take longer and depend on hold times.
How often should I verify insurance eligibility?
Aetna advises verifying before every visit, and UnitedHealthcare tells providers to check eligibility and benefits before providing care. Many clinics check at scheduling and again before the visit, and re-check at the start of each plan year.
Does eligibility verification guarantee payment?
No. It shows coverage status and benefits at the time of the check. The claim can still be denied for reasons such as missing authorization, coding or documentation, or a change in coverage.
How do I check Medicare eligibility?
Medicare providers, suppliers and billing agents can get eligibility data through the CMS HETS 270/271 system, typically through a clearinghouse, billing agent or Medicare contractor portal. You need the patient's Medicare Beneficiary Identifier and other identifying details.
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