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

Timothy Leslie Alder, MD

Individual provider Diagnostic Radiology Physician · NPI 1922207059

Timothy Leslie Alder, MD is a Diagnostic Radiology in Knoxville, Tennessee. Graduated from University of Arkansas College of Medicine in 2002, 24 years ago. Practices with South Georgia Radiology Associates LLC, a 33-clinician group and accepts Medicare assignment. Licensed in Colorado, Nebraska, Tennessee and Wyoming.

Years since qualifying
24
Trained at
University of Arkansas College of Medicine
Licensed in
CO, NE, TN, WY
In the registry since
2007
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2001 Laurel Ave Ste N304
Knoxville, TN 37916-1810
Phone: (865) 766-6870
Fax: (865) 766-0133
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 43586 (TN)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 13394C (WY)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 33293 (NE)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence CDRH.0063132 (CO)

Record details

NPI number1922207059
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2007
Last updated in NPPESJune 24, 2026
Certification dateJune 24, 2026

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice South Georgia Radiology Associates Llc — 33 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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