Doctor profile · Federal record

Dr. Gregory Walton, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Louisville, KY

  • NPI 1700884152
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 E Chestnut St
Louisville, KY 402021831
(502) 629-7601
Mailing address
234 E Gray St, Suite 850
Louisville, KY 402021900

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
February 27, 2008
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Kentucky #28071
Medicaid
KY #64280712

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700884152. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,232
Distinct HCPCS
10
Medicare allowed
$119,236
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 530 482 $8
71250 Ct scan of chest without contrast 262 251 $48
74177 Ct scan of abdomen and pelvis with contrast 214 204 $82
70450 Ct scan head or brain without contrast 207 199 $38
71260 Ct scan of chest with contrast 182 173 $51
74018 X-ray of abdomen, 1 view 148 130 $8
71250 Ct scan of chest without contrast 114 111 $48
74176 Ct scan of abdomen and pelvis without contrast 108 107 $77
71275 Ct scan of blood vessels of chest with contrast 76 76 $82
76775 Limited ultrasound scan behind abdominal cavity 73 73 $26

In context: peer comparison

Among 54 peers in this city , average services per provider: 78. This provider delivers 41× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Walton's medical specialty?
Dr. Gregory Walton practices Diagnostic Radiology Physician in Louisville, KY.
Where does Dr. Gregory Walton practice?
Dr. Gregory Walton practices at 200 E Chestnut St, Louisville, KY 402021831. Office phone: 5026297601.
What is Dr. Gregory Walton's NPI?
Dr. Gregory Walton's National Provider Identifier (NPI) is 1700884152, issued by NPPES.
Does Dr. Gregory Walton accept Medicare assignment?
Yes. Dr. Gregory Walton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Walton commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan of chest without contrast (HCPCS 71250); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.