John Mack MD
About this NPIWhat this record shows.
NPI 1962495358 is registered to John Mack MD, a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician practising at 1940 Alcoa Hwy, Suite E-180 in Knoxville, Tennessee. Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. John Mack MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
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 John Mack MD accepts. To confirm in-network status with your specific health plan, contact John Mack MD directly at (865) 305-6955.
Frequently asked
Yes. NPI 1962495358 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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) 305-6955.
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. John Mack MD is a Type-1 individual NPI.