CMS halted new Medicare home health enrollment on May 13. Pre-claim review expands to six states.

On May 13, 2026, CMS imposed two separate six-month nationwide temporary moratoria on Medicare enrollment for home health agencies and hospices. The authority is 42 CFR § 424.570(a)(2) — "significant potential for fraud, waste, or abuse." CMS deemed the moratorium warranted without limiting it to specific states or markets.

What the moratorium actually blocks

Two categories of applications are frozen:

• Initial Medicare enrollment applications — any new HHA applying for a Medicare provider number after May 13, 2026 will not be processed until the moratorium lifts (currently November 2026, extendable in 6-month increments).
• Changes in majority ownership (CIMOs) within 36 months of initial enrollment — under 42 CFR § 424.550(b), an HHA that undergoes a majority-ownership change within 36 months of its initial enrollment (or its most recent CIMO) must re-enroll as a new provider. That re-enrollment is now blocked by the moratorium.

What is not blocked: enrollment applications received by a Medicare Administrative Contractor before May 13 (these are grandfathered under 42 CFR § 424.570(a)(1)(iv)). Routine administrative changes — address, phone number, standard change-of-ownership transactions that don't trigger the 36-month CIMO rule — continue to process normally.

The accompanying enforcement package

The moratorium is not a standalone announcement. CMS published a coordinated program-integrity package the same week:

• Pre- and post-claim review expansion. CMS is expanding its HHA pre- and post-claim review demonstration to Florida, Illinois, Oklahoma, Ohio, North Carolina, and Texas. If your agency operates in one of these states, expect pre-claim review on a subset of Medicare claims — documentation must support payment before CMS releases it, not after a retrospective audit.
• Enhanced enrollment screening. New HHA enrollments (when the moratorium lifts) will require site verification visits and fingerprint-based background checks for all owners.
• Nationwide HHA data-analytics review. CMS stated it will "deploy advanced data analytics" and "intensify targeted investigations" against enrolled providers during the moratorium period. This is not limited to new or recently enrolled agencies.
• Heightened hospice oversight in six states. Arizona, California, Georgia, Nevada, Ohio, and Texas will see intensified scrutiny on newly enrolled hospices — relevant if your agency is affiliated with or refers to hospice in these markets.

Why CMS moved now

The press release cites two data points. First, in the Los Angeles metro alone, 310 home health agencies enrolled in Medicare in 2025 — a spike that integrity contractors flag as a fraud-displacement signal when it follows enforcement action in a market. Second, the April 2026 payment suspension wave (23 HHAs and 447 hospices, estimated $600 million in suspected fraud) established that the mechanism and the political will to act were already in place. The enrollment moratorium is the upstream prevention layer; the suspension authority is the downstream response.

What existing agencies need to do

1. If you're in FL, IL, OK, OH, NC, or TX: prepare for pre-claim review now. Pre-claim review means clinical documentation must be complete and defensible before payment — not after. Face-to-face encounter documentation, plan of care, OASIS alignment with visit frequency, and physician orders need to be tight on every admitted patient.
2. Review any pending M&A transactions for CIMO exposure. If your agency is within 36 months of its initial enrollment (or its most recent majority-ownership change) and you're considering a sale or acquisition, that transaction may require a new enrollment — which is now blocked until at least November 2026. Get legal counsel on transaction structure before signing letters of intent.
3. Audit your billing patterns against your HIPPS profile. "Advanced data analytics" in the CMS framing means outlier analysis — visit frequency vs. HIPPS group, OASIS functional scores vs. billed diagnoses, re-admission rates, discharge-pattern anomalies. Know your outliers before a program integrity contractor does.
4. Confirm your face-to-face encounter documentation is in spec. FTF deficiencies are the most common technical basis for pre-claim review denial. Every 485 needs a signed, dated, diagnosis-specific FTF note that precedes or is contemporaneous with the episode start.

What we built for this

Carelytic's pre-sign QA flags OASIS items where functional scores don't support billed diagnoses, visit plans that are misaligned with HIPPS group benchmarks, and face-to-face documentation gaps — before the claim enters the billing queue. In a pre-claim review environment, those flags need to be resolved by the clinician on day one of the episode, not surfaced by a MAC reviewer 60 days later. The audit trail — every AI suggestion, every clinician override, every edit with timestamp and reason — is the documentation that pre-claim review requires.

The broader message: the moratorium affects who can enter the Medicare home health market for the next six months. The enforcement package that accompanies it affects every agency already in the market.