Doctor profile · Federal record

Dr. John Williams, MD

Pediatric Radiology Physician · Knoxville, TN

  • NPI 1659341832
  • MIPS 99.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2001 Laurel Ave, Suite N304
Knoxville, TN 379161810
(865) 546-9484

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
2085P0229X — NUCC code
State license (1)
Tennessee #MD28001
Medicaid
TN #3372353

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659341832. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,532
Distinct HCPCS
10
Medicare allowed
$41,713
HCPCS Description Services Patients Avg allowed
77067 Screening mammography 258 258 $34
77063 Screening 3d breast mammography 256 256 $27
77063 Screening 3d breast mammography 159 159 $27
77067 Screening mammography 159 159 $34
71046 X-ray of chest, 2 views 118 107 $10
77080 Dxa bone density measurement of hip, pelvis, spine 71 71 $9
71046 X-ray of chest, 2 views 54 52 $10
71045 X-ray of chest, 1 view 41 40 $8
76642 Limited ultrasound scan of 1 breast 39 38 $32
77080 Dxa bone density measurement of hip, pelvis, spine 35 35 $9

In context: peer comparison

Among 2 peers in Knoxville Pediatric Radiology Physician, average services per provider: 53. This provider delivers 29× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Williams's medical specialty?
Dr. John Williams practices Pediatric Radiology Physician in Knoxville, TN.
Where does Dr. John Williams practice?
Dr. John Williams practices at 2001 Laurel Ave, Knoxville, TN 379161810. Office phone: 8655469484.
What is Dr. John Williams's NPI?
Dr. John Williams's National Provider Identifier (NPI) is 1659341832, issued by NPPES.
What procedures does Dr. John Williams commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063); Screening 3d breast mammography (HCPCS 77063). Source: CMS Medicare Physician & Other Practitioners file.