Doctor profile · Federal record

Dr. Mark Cornett, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Louisville, KY

  • NPI 1003873423
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4123 Dutchmans Ln Ste G2
Louisville, KY 402074758
(502) 899-6601
fax (502) 899-6644
Additional location
315 E Broadway
Louisville, KY 402021703
(502) 629-2500
fax (502) 629-3165
Mailing address
Po Box 776347
Chicago, IL 606776347

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
April 17, 2025
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Kentucky #28989
Medicaid (2)
KY #64289895 · IN #200035990

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003873423. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,680
Distinct HCPCS
10
Medicare allowed
$123,431
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 639 56 $43
77334 Design and construction of complex radiation treatment device 214 68 $57
77300 Calculation of radiation therapy dose 199 52 $31
77427 Radiation treatment management, 5 treatment sessions 169 71 $181
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 97 18 $20
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 74 60 $78
77263 Complex radiation therapy planning 63 61 $159
77295 3d radiation therapy planning 54 48 $213
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 48 47 $36
99205 New patient office or other outpatient visit, 60-74 minutes 48 48 $172

In context: peer comparison

Among 8 peers in Louisville Radiation Oncology Physician, average services per provider: 111. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Siemens Medical Solutions USA, INC. 1 $19.48

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
94
Patients
51
Total drug cost
$2,352
Drug Type Claims Patients Total cost
Mometasone Furoate Generic 81 51 $2,205
Silver Sulfadiazine Generic 13 0 $147

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Cornett's medical specialty?
Dr. Mark Cornett practices Radiation Oncology Physician in Louisville, KY.
Where does Dr. Mark Cornett practice?
Dr. Mark Cornett practices at 4123 Dutchmans Ln Ste G2, Louisville, KY 402074758. Office phone: 5028996601.
What is Dr. Mark Cornett's NPI?
Dr. Mark Cornett's National Provider Identifier (NPI) is 1003873423, issued by NPPES.
Does Dr. Mark Cornett accept Medicare assignment?
Yes. Dr. Mark Cornett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Cornett commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Design and construction of complex radiation treatment device (HCPCS 77334); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.