Doctor profile · Federal record

Dr. Gregory Cotter, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Radiation Oncology Physician · Radiation Oncology Physician · Radiation Oncology Physician · Baton Rouge, LA

  • NPI 1659363067
  • Accepts Medicare
  • 46 yrs in practice
  • Licensed in 5 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4950 Essen Ln Ste 500
Baton Rouge, LA 708093738
(225) 767-0847
fax (225) 767-1335
Additional location
133 Jefferson Davis Blvd
Natchez, MS 391205103
(601) 442-1285
fax (601) 446-9683

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
February 6, 2024
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (5)
Louisiana #308265 · South Carolina #11773 · Alabama #9773 · Mississippi #15829 · Tennessee #47775
Medicaid (3)
MS #00011136 · AL #000016332 · TN #1528979

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659363067. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,525
Distinct HCPCS
10
Medicare allowed
$188,828
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 381 19 $42
77014 Ct guidance for insertion of radiation therapy fields 226 26 $109
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 219 22 $315
77427 Radiation treatment management, 5 treatment sessions 135 36 $178
77334 Design and construction of complex radiation treatment device 93 40 $57
77300 Calculation of radiation therapy dose 92 20 $31
77336 Continuing radiation therapy consultation per week 52 20 $76
77427 Radiation treatment management, 5 treatment sessions 50 15 $182
99213 Established patient office or other outpatient visit, 20-29 minutes 48 46 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 35 35 $120

In context: peer comparison

Among 6 peers in this city , average services per provider: 506. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
50
Patients
0
Total drug cost
$581
Drug Type Claims Patients Total cost
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 35 0 $416
Tamsulosin Hcl Generic 15 0 $165

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Cotter's medical specialty?
Dr. Gregory Cotter practices Radiation Oncology Physician in Baton Rouge, LA.
Where does Dr. Gregory Cotter practice?
Dr. Gregory Cotter practices at 4950 Essen Ln Ste 500, Baton Rouge, LA 708093738. Office phone: 2257670847.
What is Dr. Gregory Cotter's NPI?
Dr. Gregory Cotter's National Provider Identifier (NPI) is 1659363067, issued by NPPES.
Does Dr. Gregory Cotter accept Medicare assignment?
Yes. Dr. Gregory Cotter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Cotter commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015). Source: CMS Medicare Physician & Other Practitioners file.