Jeffrey Douglas M.D.
About this NPIWhat this record shows.
NPI 1023055290 is registered to Jeffrey Douglas M.D., a Internal Medicine practising at 1915 White Ave, Suite 601 in Knoxville, Tennessee. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Jeffrey Douglas M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Medicare enrollment
This provider holds 4 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
- I20060629000048Infectious DiseaseTN
- I20171013001857Internal MedicineTX
- I20200529001203Internal MedicineNJ
- I20220418002394Internal MedicineNM
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 Jeffrey Douglas M.D. accepts. To confirm in-network status with your specific health plan, contact Jeffrey Douglas M.D. directly at (865) 525-4333.
Frequently asked
Yes. NPI 1023055290 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) 525-4333.
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. Jeffrey Douglas M.D. is a Type-1 individual NPI.