Doctor profile · Federal record

Dr. Timothy Alder, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Knoxville, TN

  • NPI 1922207059
  • Accepts Medicare
  • MIPS 99.0 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2001 Laurel Ave, Suite N304
Knoxville, TN 379161810
(865) 766-6870
fax (865) 766-0133

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
April 5, 2021
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (4)
Tennessee #43586 · Wyoming #13394C · Nebraska #33293 · Colorado #CDRH.0063132
Medicaid
TN #1514656

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922207059. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,366
Distinct HCPCS
10
Medicare allowed
$280,381
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 1,767 1,577 $9
70450 Ct scan head or brain without contrast 1,255 1,199 $40
74176 Ct scan of abdomen and pelvis without contrast 408 405 $83
74177 Ct scan of abdomen and pelvis with contrast 371 366 $86
72125 Ct scan of upper spine without contrast 300 294 $47
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 294 286 $21
71250 Ct scan of chest without contrast 215 215 $51
71275 Ct scan of blood vessels of chest with contrast 213 209 $85
71046 X-ray of chest, 2 views 168 167 $10
73721 Mri scan of leg joint without contrast 154 150 $64

In context: peer comparison

Among 57 peers in this city , average services per provider: 108. This provider delivers 68× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Alder's medical specialty?
Dr. Timothy Alder practices Diagnostic Radiology Physician in Knoxville, TN.
Where does Dr. Timothy Alder practice?
Dr. Timothy Alder practices at 2001 Laurel Ave, Knoxville, TN 379161810. Office phone: 8657666870.
What is Dr. Timothy Alder's NPI?
Dr. Timothy Alder's National Provider Identifier (NPI) is 1922207059, issued by NPPES.
Does Dr. Timothy Alder accept Medicare assignment?
Yes. Dr. Timothy Alder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Alder commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Ct scan of abdomen and pelvis without contrast (HCPCS 74176). Source: CMS Medicare Physician & Other Practitioners file.