Doctor profile · Federal record

Dr. James Killeffer, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Knoxville, TN

  • NPI 1851333728
  • Accepts Medicare
  • MIPS 50.5 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1932 Alcoa Hwy, Suite 360
Knoxville, TN 379201527
(865) 524-1869
fax (865) 544-6533

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 6, 2015
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Tennessee #29334
Medicaid (2)
TN #Q013307 · TN #3820337

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851333728. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
411
Distinct HCPCS
10
Medicare allowed
$81,138
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 137 123 $82
72040 X-ray of upper spine, 2-3 views 52 26 $35
99214 Established patient office or other outpatient visit, 30-39 minutes 51 46 $117
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 43 21 $228
99203 New patient office or other outpatient visit, 30-44 minutes 38 38 $101
72100 X-ray of lower and sacral spine, 2-3 views 22 13 $36
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc 19 12 $349
63047 Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 17 17 $929
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $154
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc 15 15 $1,511

In context: peer comparison

Among 9 peers in this city , average services per provider: 39. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$219
Transactions
7
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Sanara MedTech Inc. 1 $51.06
ZIMVIE INC. 1 $48.66
Highridge Medical LLC 1 $41.80
Aesculap, Inc. 1 $26.26
CSL Behring 1 $20.00
ABBVIE INC. 1 $15.74
Medtronic, Inc. 1 $15.52

By nature of payment

Food and Beverage
$199
Education
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
72
Patients
43
Total drug cost
$303
Drug Type Claims Patients Total cost
Diazepam Generic 29 21 $25
Cyclobenzaprine Hcl Generic 17 11 $90
Baclofen Generic 14 0 $70
Methylprednisolone Generic 12 11 $118

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Killeffer's medical specialty?
Dr. James Killeffer practices Neurological Surgery Physician in Knoxville, TN.
Where does Dr. James Killeffer practice?
Dr. James Killeffer practices at 1932 Alcoa Hwy, Knoxville, TN 379201527. Office phone: 8655241869.
What is Dr. James Killeffer's NPI?
Dr. James Killeffer's National Provider Identifier (NPI) is 1851333728, issued by NPPES.
Does Dr. James Killeffer accept Medicare assignment?
Yes. Dr. James Killeffer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Killeffer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); X-ray of upper spine, 2-3 views (HCPCS 72040); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.