Grey Leonard M.D.
About this NPIWhat this record shows.
NPI 1710374558 is registered to Grey Leonard M.D., a Surgical Oncology Physician practising at 1819 Clinch Ave Ste 200 in Knoxville, Tennessee. Surgical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Grey Leonard M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2015.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20221229001037General SurgeryNC
- I20240717003919Surgical OncologyTN
Source: CMS PECOS public enrollment file.
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 Grey Leonard M.D. accepts. To confirm in-network status with your specific health plan, contact Grey Leonard M.D. directly at (865) 524-3695.
Frequently asked
Yes. NPI 1710374558 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Surgical Oncology 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) 524-3695.
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. Grey Leonard M.D. is a Type-1 individual NPI.