Services provided by Douglas Dee Callahan:

Find information on any health care provider or organization that has an National Provider Identifier, view related providers and organizations as well as referral information when available.

Gain Insights into the network of healthcare.

Latest Posts

20,760 NPPES database individual updates released on 5/20/20245/20/2024
Monthly NPI Registry variations for 5/14/2024 include 42 updates for individuals5/14/2024
27,341 NPPES database updates released on 5/12/20245/12/2024
Weekly NPI Dashboard Monitoring for 5/5/2024 have 27,268 updates5/5/2024

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Medicare Contacts

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