How long does PECOS enrollment take in 2026?

A clean electronic 855I usually clears in 30 to 60 days, and some fast MACs approve clean web submissions in about a week. Group 855B runs 45 to 65 days. Institutional 855A runs 60 to 90 days or more. Missing information adds 15 to 35 days per development request.

Which PECOS application is the slowest?

The 855A, especially a change of ownership. CMS can take an extra 6 to 9 months to issue a CHOW final determination, on top of the MAC’s normal processing time.

Does PECOS 2.0 speed up enrollment?

For clean files, yes. Real-time validation catches errors at entry, so fewer applications trigger a development request. Files with mismatched data can stall sooner, because the new checks flag problems immediately.

Can I bill Medicare before PECOS approves me?

No. You can’t submit a claim until CMS issues your PTAN. For an initial 855I, your effective date can be backdated up to 30 days before you filed, but not before you held all required credentials.

How fast is a Medicare reassignment?

Usually 15 to 30 days when both the individual and group records are active and clean. It stalls if either has a pending revalidation or an open development request.

Is there a fee to enroll in PECOS in 2026?

The 2026 fee is $750 for institutional providers and suppliers on the 855A, 855B (except physician and NPP organizations), and 855S. Individual physicians and NPPs pay no fee.

How long Medicare PECOS enrollment actually takes in 2026, by application type

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