The Medical Nutrition Therapy Act of 2026 amends Title XVIII to broaden Medicare Part B coverage of medical nutrition therapy (MNT). The bill replaces narrow, disease-specific language with a list of covered conditions (including obesity, hypertension, dyslipidemia, cancer, HIV/AIDS, eating disorders, malnutrition and more), authorizes several nonphysician clinicians to order MNT, and instructs the Secretary of HHS to add other conditions when medically appropriate.
It also preserves an exclusion for patients receiving maintenance dialysis.
Why it matters: MNT is a guideline-recommended, cost‑effective intervention for many chronic diseases, but Medicare currently limits coverage largely to diabetes and renal disease. This bill would make nutrition services billable for a much broader swath of beneficiaries, shifting utilization patterns, creating new billing pathways for nutrition professionals, and raising questions about workforce capacity, payment mechanics, and program costs.
At a Glance
What It Does
The bill revises the statutory definition of covered medical nutrition therapy to cover prevention, management, or treatment of a long list of conditions (diabetes, prediabetes, obesity, hypertension, dyslipidemia, malnutrition, eating disorders, cancer, GI diseases including celiac, HIV/AIDS, cardiovascular disease, and others). It authorizes physicians, physician assistants, nurse practitioners, clinical nurse specialists, and—only for eating disorders—clinical psychologists to order these services, and gives the Secretary authority to add conditions using USPSTF guidance or professional protocols.
Who It Affects
Medicare Part B beneficiaries with the listed conditions; registered dietitians and other nutrition professionals who provide MNT; ordering clinicians (physicians, PAs, NPs, CNSs, and clinical psychologists for eating disorders); CMS and Medicare contractors responsible for administering benefits and claims; and taxpayers/Medicare Trust Funds due to potential utilization increases.
Why It Matters
Coverage expansion could redirect clinical management toward evidence-based nutrition interventions, increasing demand for credentialed nutrition providers while altering Medicare spending trajectories. The bill leaves key implementation choices to HHS (which conditions to add, how to align services with clinical guidelines), so operational details and fiscal impact will depend heavily on CMS rulemaking and coverage determinations.
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What This Bill Actually Does
At its core the bill removes the narrow coverage regime that currently limits Medicare medical nutrition therapy largely to beneficiaries with diabetes or certain renal conditions and replaces it with a much broader, condition‑based scheme. The statutory change creates an explicit list of conditions for which MNT is a covered Part B service — ranging from prediabetes and obesity to cancer, HIV/AIDS, and gastrointestinal diseases — and includes a residual clause allowing the Secretary to add conditions when the services are medically necessary and consistent with USPSTF recommendations or accepted professional protocols.
The bill also changes who can authorize or order MNT. It replaces the older requirement that services be initiated only by a physician with a list that includes physician assistants, nurse practitioners, and clinical nurse specialists; for eating disorder treatment the bill specifically permits clinical psychologists to order MNT.
Notably, the text does not add registered dietitians or nutrition professionals to the statutory list of ‘‘ordering’’ clinicians, so the bill expands referring authority without expressly changing which clinicians may bill or how furnishing practitioners will be credentialed under Medicare rules.A specific exclusion remains: the statute clarifies that MNT furnished to individuals receiving maintenance dialysis (paid under section 1881) is not covered under this provision. The bill also amends an unrelated clause in section 1861(s)(2)(V) by striking a limiting phrase (effectively removing a prior organizational restriction), although the text leaves room for CMS to define operational details such as billing codes, benefit limits, and documentation requirements.
Finally, the coverage changes take effect for items and services furnished in years beginning two years after enactment, giving time for CMS to prepare but also delaying beneficiary access.
The Five Things You Need to Know
The bill explicitly lists 14 categories (diabetes, prediabetes, renal disease, obesity, hypertension, dyslipidemia, malnutrition, eating disorders, cancer, gastrointestinal diseases including celiac, HIV, AIDS, cardiovascular disease, and a catchall for Secretary‑specified conditions) as qualifying for Medicare MNT.
It authorizes nonphysician clinicians—physician assistants, nurse practitioners, and clinical nurse specialists—to order MNT; clinical psychologists may order MNT only when treating eating disorders.
The statute preserves an exclusion: MNT for patients receiving maintenance dialysis (services paid under section 1881) remains outside this Part B coverage expansion.
The Secretary may add other conditions to the covered list if services are deemed medically necessary and consistent with USPSTF recommendations or accepted protocols from registered dietitian/nutrition professional organizations.
The amendments take effect for items and services furnished in years beginning two years after enactment, delaying implementation while shifting substantial discretion to HHS for practical coverage rules.
Section-by-Section Breakdown
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Short title
Designates the Act as the 'Medical Nutrition Therapy Act of 2026.' This is a formal naming provision with no substantive effect on coverage or implementation.
Findings
Sets out Congress' factual premises: high prevalence of multiple chronic conditions among Medicare beneficiaries, disproportionate burden on some racial and ethnic groups, current Medicare coverage limits to diabetes and renal disease, and evidence that nutrition therapy is cost‑effective for multiple conditions. These findings frame Congress' rationale for expanding coverage and will likely be cited by CMS and stakeholders in interpreting Congressional intent.
Broadening the definition and authorized orderers for medical nutrition therapy
Rewrites the existing disease‑management language so MNT is explicitly for the 'prevention, management, or treatment' of a specified list of diseases and conditions. Crucially, the bill replaces the prior 'by a physician' ordering requirement with an expanded list: physician, physician assistant, nurse practitioner, clinical nurse specialist, and clinical psychologist (the latter only for eating disorders). The provision also adds a residual category permitting the Secretary to add conditions when MNT is medically necessary under USPSTF guidance or professional protocols. Finally, it clarifies that MNT is not covered under this provision for beneficiaries on maintenance dialysis (i.e., dialysis paid under section 1881).
Removal of a limiting phrase in an existing subsection
The bill strikes a phrase in subsection 1861(s)(2)(V) that previously narrowed coverage by reference to an organizational limitation. While the amendment is surgical — removing a short string of words — its practical effect is to eliminate an existing statutory limitation that could have restricted who or what entities qualify for payments tied to the provision. CMS will need to interpret precisely what the excision alters in the agency's claims adjudication and contractor instructions.
Exclusion refinement and effective date
Section 3(b) adds a new exclusion to 1862(a)(1) specifying that MNT is not payable when it is furnished for conditions not listed in the new subsection 1861(vv)(4); this ties the payment prohibition to the statutory list and the Secretary's additions. Section 3(c) sets a two‑year delay: changes apply to items and services furnished in years beginning two years after enactment, creating a window for CMS to issue guidance, for providers to prepare, and for workforce adjustments.
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Explore Healthcare in Codify Search →Who Benefits and Who Bears the Cost
Every bill creates winners and losers. Here's who stands to gain and who bears the cost.
Who Benefits
- Medicare beneficiaries with obesity, hypertension, dyslipidemia, malnutrition, cancer, HIV/AIDS, GI disease (including celiac), cardiovascular disease, prediabetes, or eating disorders — they gain potential Part B coverage for nutrition counseling and therapeutic interventions previously unavailable to many of them.
- Registered dietitians and nutrition professionals — broader Medicare coverage creates new billing opportunities and demand for MNT services, increasing referral volume and potentially expanding practice settings.
- Nonphysician ordering clinicians (PAs, NPs, clinical nurse specialists) — these clinicians get explicit authority to order MNT under Medicare, strengthening care teams and enabling earlier nutrition referrals.
- Behavioral health providers treating eating disorders — clinical psychologists gain a statutory pathway to order MNT when treating eating disorders, supporting integrated medical–behavioral treatment.
Who Bears the Cost
- Medicare (trust funds and taxpayers) — expanding covered conditions will increase utilization of Part B services; even with potential downstream savings, short‑term costs to the program are likely to rise.
- CMS and Medicare Administrative Contractors — they must update coverage determinations, claims systems, benefit policies, and provider education materials, imposing administrative burdens and implementation expenses.
- Health systems and physician practices — practices will need to integrate nutrition services into care pathways, handle referrals and documentation, and potentially hire or credential additional nutrition staff.
- Medicare Advantage plans — plans must adjust network arrangements, prior authorization processes, and payment models to accommodate the expanded benefit and will absorb utilization risk under capitation.
Key Issues
The Core Tension
The bill pits two legitimate goals: improving access to guideline‑based nutrition care for many chronic conditions versus containing program costs and maintaining clear, administrable rules about who can order, furnish, and bill for those services; delegating broad discretion to the Secretary solves flexibility needs but creates implementation uncertainty that could blunt or unevenly realize the law’s intended access gains.
The bill substantially expands a clinically valuable benefit but leaves key operational and payment questions to the Secretary and to CMS implementation. It does not specify how MNT will be reimbursed (for example, whether services bill under existing physician fee schedule codes, a distinct MNT benefit structure, or bundled payment arrangements), nor does it explicitly change which practitioners may bill Medicare for furnishing MNT.
Historically, registered dietitians furnish MNT but are not identified in the bill’s ordering‑provider list; absence of explicit billing language could leave room for restrictive CMS interpretations or require additional regulatory fixes.
The Secretary's broad authority to add conditions via USPSTF recommendations or professional protocols is double‑edged. It permits evidence‑based expansion without further statute, but it also creates uncertainty for providers and beneficiaries about which conditions ultimately qualify and on what timetable.
The two‑year effective delay eases rollout pressure but could exacerbate workforce constraints if demand expands rapidly after implementation; there are regional variations in access to credentialed nutrition professionals that the bill does not address. Finally, the maintenance dialysis exclusion protects current payment boundaries but may leave clinically appropriate nutrition services for dialysis patients in limbo, requiring separate policy workstreams to prevent care gaps.
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