Donald K Mckenzie MD PC
About this NPIWhat this record shows.
NPI 1255505509 is registered to Donald K Mckenzie MD PC, a healthcare organisation classified as "Internal Medicine" and located at 3301 Tazewell Pike in Knoxville, Tennessee. The organisation's authorised official is Donald Mckenzie. The organisation has been enumerated in the NPI registry since 2008.
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Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Donald K Mckenzie MD PC accepts. To confirm in-network status with your specific health plan, contact Donald K Mckenzie MD PC directly at (865) 689-7064.
Frequently asked
Yes. NPI 1255505509 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (865) 689-7064.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Donald K Mckenzie MD PC is a Type-2 organisational NPI.