Doctor profile · Federal record

Dr. James Williams, D.O.

Anesthesiology Physician (CMS: Anesthesiology) · Knoxville, TN

  • NPI 1588898936
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
501 20Th St Ste 606
Knoxville, TN 379161863
(865) 541-8040
fax (865) 541-2288

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
October 6, 2014
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Tennessee #2547
Medicaid
TN #1532736

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588898936. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
27
Distinct HCPCS
2
Medicare allowed
$740
HCPCS Description Services Patients Avg allowed
36620 Insertion of artery tube for blood sampling or infusion through skin 15 15 $40
76937 Ultrasonic guidance for blood vessel access 12 12 $12

In context: peer comparison

Among 33 peers in Knoxville Anesthesiology Physician, average services per provider: 31. This provider delivers 0.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. James Williams's medical specialty?
Dr. James Williams practices Anesthesiology Physician in Knoxville, TN.
Where does Dr. James Williams practice?
Dr. James Williams practices at 501 20Th St Ste 606, Knoxville, TN 379161863. Office phone: 8655418040.
What is Dr. James Williams's NPI?
Dr. James Williams's National Provider Identifier (NPI) is 1588898936, issued by NPPES.
Does Dr. James Williams accept Medicare assignment?
Yes. Dr. James Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Williams commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Ultrasonic guidance for blood vessel access (HCPCS 76937). Source: CMS Medicare Physician & Other Practitioners file.