Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Charles J. Mascioli, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1891731915

Charles J. Mascioli, MD is a Critical Care Medicine (Internal Medicine) Physician in Oak Ridge, Tennessee. Licensed in Tennessee. Registered with an NPI since 2006.

Licensed in
TN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

990 Oak Ridge Tpke
Oak Ridge, TN 37830-6976
Phone: (865) 835-1000
Fax: (865) 539-8008
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence MD40673 (TN)

Record details

NPI number1891731915
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2006
Last updated in NPPESNovember 15, 2007