Doctor profile · Federal record

Dr. KEVIN BARKER, M.D.

Gastroenterology Physician (CMS: GASTROENTEROLOGY) · Gastroenterology Physician · HATTIESBURG, MS

  • NPI 1992790463
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
415 S 28TH AVE
HATTIESBURG, MS 394017246
(601) 268-5680
fax (601) 268-5778

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
July 22, 2020
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Mississippi #20233 · Louisiana #MD.025422
Medicaid
MS #05483521

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992790463. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
702
Distinct HCPCS
10
Medicare allowed
$89,261
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 124 122 $236
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 101 99 $78
99213 Established patient office or other outpatient visit, 20-29 minutes 85 70 $81
99214 Established patient office or other outpatient visit, 30-39 minutes 65 63 $118
99204 New patient office or other outpatient visit, 45-59 minutes 63 63 $152
45380 Biopsy of large bowel using a flexible endoscope 58 58 $136
99212 Established patient office or other outpatient visit, 10-19 minutes 51 49 $52
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 35 35 $171
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 34 34 $124
36415 Insertion of needle into vein for collection of blood sample 17 15 $8

In context: peer comparison

Among 5 peers in this city , average services per provider: 107. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,564
Transactions
100
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 40 $581.09
Celgene Corporation 15 $205.73
Salix Pharmaceuticals, a division of Bausch Health US, LLC 11 $132.51
Janssen Biotech, Inc. 6 $109.39
Takeda Pharmaceuticals U.S.A., Inc. 5 $103.17
AIMMUNE THERAPEUTICS, INC. 5 $75.92
Madrigal Pharmaceuticals 4 $74.63
EVOKE PHARMA, INC. 1 $39.90
Celltrion USA Inc. 2 $30.62
PFIZER INC. 2 $30.43
QOL Medical, LLC 2 $30.39
Gilead Sciences, Inc. 2 $30.19
Braintree Laboratories, Inc. 2 $30.05
Phathom Pharmaceuticals, Inc. 2 $29.99
Regeneron Healthcare Solutions, Inc. 1 $24.68

By nature of payment

Food and Beverage
$1,548
Education
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,348
Patients
502
Total drug cost
$157,599
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 659 199 $9,136
Famotidine Generic 168 44 $1,715
Linzess (Linaclotide) Brand 85 24 $66,803
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 58 57 $10,307
Omeprazole Generic 57 15 $749
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 55 53 $1,582
Sucralfate Generic 48 29 $2,373
Dicyclomine Hcl Generic 46 23 $1,017
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 33 33 $589
Lactulose Generic 32 12 $1,343