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

Aaron L Rittgers, MD

Individual provider Internal Medicine Physician · NPI 1205871423

Aaron L Rittgers, MD is an Internal Medicine in Knoxville, Tennessee. Graduated from Mercer University School of Medicine in 1998, 28 years ago. Works from 2 locations and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
28
Trained at
Mercer University School of Medicine
Licensed in
TN
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

6473 Kingston Pike
Knoxville, TN 37919-4832
Phone: (865) 588-8831
Fax: (865) 588-8841
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 10904 Kingston Pike Ste 102, Knoxville, TN 37934-2952 — (865) 392-1540

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 35297 (TN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 35297 (TN)

Record details

NPI number1205871423
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 19, 2006
Last updated in NPPESMay 27, 2025
Certification dateMay 27, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolMERCER UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Knoxville