Doctor profile · Federal record

Dr. James Koonce, MD

Neuroradiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Johnson City, TN

  • NPI 1851480776
  • Accepts Medicare
  • 20 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1301 Sunset Dr Ste 3, Mountain Empire Radiology
Johnson City, TN 376047906
(423) 926-4966

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
March 31, 2012
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
2085N0700X — NUCC code
State licenses (3)
Tennessee #48349 · South Carolina #LL28898 · North Carolina #2011-00273

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851480776. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,784
Distinct HCPCS
10
Medicare allowed
$68,684
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 409 384 $8
70450 Ct scan head or brain without contrast 362 331 $38
74177 Ct scan of abdomen and pelvis with contrast 82 81 $82
71275 Ct scan of blood vessels of chest with contrast 65 65 $78
72125 Ct scan of upper spine without contrast 59 58 $44
74176 Ct scan of abdomen and pelvis without contrast 58 58 $79
70553 Mri scan of brain before and after contrast 56 55 $102
70551 Mri scan of brain without contrast 48 48 $64
71046 X-ray of chest, 2 views 45 45 $10
70498 Ct scan of blood vessels of neck with contrast 43 43 $75

In context: peer comparison

Among 1 peers in this city , average services per provider: 45. This provider delivers 40× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Koonce's medical specialty?
Dr. James Koonce practices Neuroradiology Physician in Johnson City, TN.
Where does Dr. James Koonce practice?
Dr. James Koonce practices at 1301 Sunset Dr Ste 3, Johnson City, TN 376047906. Office phone: 4239264966.
What is Dr. James Koonce's NPI?
Dr. James Koonce's National Provider Identifier (NPI) is 1851480776, issued by NPPES.
Does Dr. James Koonce accept Medicare assignment?
Yes. Dr. James Koonce accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Koonce 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 with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.