Medicare Revenue

Medicare Annual Wellness Visit Billing 2026: Capture $250+ Per Patient

Only 26% of eligible Medicare beneficiaries receive an Annual Wellness Visit each year — which means the average primary care practice with 400 Medicare patients is leaving more than $75,000 in annual revenue unclaimed.Source: CMS Medicare Annual Wellness Visit Data, 2025

The Medicare Annual Wellness Visit (AWV) is one of the most consistently underutilized preventive services in primary care. It carries no patient cost-sharing, pays $250–$340 per visit depending on whether it is initial or subsequent, and requires no physical exam — yet most practices bill fewer than half of their eligible patients. The barriers are almost always billing and documentation confusion, not clinical capacity. This guide explains exactly how to bill it correctly.

AWV vs. Physical Exam: Understanding the Difference

The single biggest misconception about the AWV is that it replaces or duplicates the Annual Physical. They're completely different services:

FeatureAnnual Wellness Visit (AWV)Annual Physical (Welcome to Medicare)Preventive E&M (99381–99397)
Physical exam required?NoYes (limited)Yes
Patient cost-sharing?None (100% covered)None (first 12 months only)Possible copay/deductible
FrequencyOnce per calendar yearOnce per Medicare lifetimeOnce per year
HCPCS CodeG0438 / G0439G040299381–99397
Can same-day E&M be billed?Yes, with Modifier 25Yes, with Modifier 25Yes, with Modifier 25

A Medicare patient can receive both an AWV and a separately billed E&M visit on the same date — as long as a distinct problem was addressed and Modifier 25 is appended to the E&M code. This is a commonly missed billing opportunity.

The Two AWV Codes: G0438 and G0439

CodeDescriptionEligibility2026 Medicare Rate*
G0438Annual Wellness Visit — InitialPatient enrolled in Medicare Part B for at least 12 months AND has not received a previous AWV~$340
G0439Annual Wellness Visit — SubsequentPatient has received a previous G0438 or G0439; must be at least 12 months since the last AWV~$250

*National average; actual payment varies by geographic locality.

Common error: Billing G0438 for a patient who already received an AWV from a previous provider. Always check the Medicare Beneficiary Portal or query the MAC eligibility system before billing the initial code. Billing G0438 when G0439 is correct will result in a denial or overpayment demand.

What the AWV Must Include: Required Components

CMS has defined specific components that must be completed and documented for each AWV. Missing even one can result in a denial on post-payment audit. The required elements differ slightly between G0438 and G0439.

Required for Both G0438 and G0439

Additional Required for G0438 (Initial Only)

Revenue Opportunity: What an AWV Program Can Generate

AWV Revenue Calculator — Primary Care Practice

Medicare patients in panel400
AWV-eligible patients (est. 80%)320
AWV completion rate with active outreach (60%)192 visits/year
Avg. blended AWV reimbursement (G0438 + G0439 mix)~$275
AWV revenue alone$52,800/year
Same-day E&M (50% of AWV patients with a problem visit, avg. $110)+$10,560/year
Total incremental annual revenue~$63,360/year

These are conservative estimates. Practices with structured outreach programs and nurse-led AWV workflows report completion rates above 70%, which pushes total incremental revenue past $80,000 annually for a 400-patient Medicare panel.

Billing the AWV with a Same-Day E&M Visit

This is the most important same-day billing rule to get right. If the patient presents for their AWV and also has a new or established problem that requires evaluation and management — a new medication side effect, a lab result to review, a new complaint — you can bill both the AWV and an E&M on the same day.

The requirements:

Don't use Modifier 25 on the AWV code itself. The modifier goes on the E&M. Reversing this is a common billing error that causes the E&M to process correctly but the AWV to deny.

AWV and Other Same-Day Preventive Services

Certain preventive services can be billed on the same date as the AWV without any modifier, because they're not considered bundled into the AWV payment:

Who Can Perform and Bill the AWV

The AWV can be furnished by a variety of clinical staff, not just the physician:

Many practices use a nurse-led AWV model: a medical assistant or RN completes the HRA, biometrics, and screeners in a 20-minute pre-visit workflow; the physician reviews and completes the prevention plan in 10 minutes. This dramatically increases throughput without consuming physician time.

Documentation Checklist for a Clean AWV Claim

Use this checklist before billing every AWV encounter:

Top AWV Denial Reasons

1. Frequency Violation

Billing a second AWV within the same calendar year is the most common denial. Medicare allows one AWV per calendar year — not per 12-month period. A patient who had a G0439 on December 15, 2025 is eligible for another G0439 on January 1, 2026. Always query eligibility before scheduling.

2. G0438 vs. G0439 Mismatch

If Medicare's records show a prior AWV (from any provider) and you bill G0438, it will deny. The eligibility check must be done at the payer level, not just in your own EHR.

3. Missing HRA Documentation

If the Health Risk Assessment is not in the medical record or is documented only as "completed" without the actual responses or a reference to a completed form, post-payment audit will recoup the payment. Keep the HRA on file.

4. Bundling AWV with Welcome to Medicare Visit

G0402 (Welcome to Medicare/IPPE) and G0438 (Initial AWV) can't be billed within 12 months of each other. If a patient received their G0402 recently, you can't bill G0438 until 12 months have passed.

Building a Proactive AWV Outreach Program

The practices that capture the most AWV revenue don't wait for patients to schedule — they run proactive outreach. A simple framework:

  1. Monthly eligibility pull: Run a report of all Medicare patients who have not had an AWV in the current calendar year
  2. Automated outreach: Send a text/email to eligible patients with a direct scheduling link
  3. At every visit: Train front desk to check AWV eligibility for any Medicare patient checking in and offer same-day completion if the schedule allows
  4. Nurse-led workflow: Designate 30-minute AWV-specific appointment slots where an RN or MA completes the screening elements, freeing physician time for the plan and documentation

Practices using this model typically reach 55–70% AWV completion rates within 6 months. The billing is straightforward once the workflow is consistent.

If you're a primary care or internal medicine practice leaving AWV revenue on the table, request a free revenue assessment and we'll show you exactly how much you're missing — and how to capture it within 90 days.

References

  1. CMS. (2026). Medicare Preventive Services: Annual Wellness Visit. MLN Matters SE1226.
  2. CMS. (2025). Medicare Annual Wellness Visit use Report. Centers for Medicare & Medicaid Services.
  3. AMA. (2026). CPT Professional Edition 2026. American Medical Association.
  4. AAFP. (2025). Annual Wellness Visit Implementation Guide. American Academy of Family Physicians.
  5. CMS. (2026). 2026 Physician Fee Schedule Final Rule. Federal Register.
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