National PECOS Lookup

PECOS (Provider Enrollment and Chain/Ownership System) is the electronic portal through which physicians enroll in Medicare. Use this search to determine if you have registered with the Centers for Medicare & Medicaid Services (CMS) PECOS program. **NOTE: PECOS does not include physician nicknames. Example - Robert Smith, MD practicing as Bob Smith, MD, will be in PECOS as Robert Smith, MD**

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CMS updates the data file for PECOS once a week and the results showing are from the most recent file update. This is based on a CMS data file and, therefore, is not warranted or guaranteed. If you have questions about your PECOS status contact your local Medicare Administrative Contractor.