Doctor profile · Federal record

Dr. Kevin Preston, D.O.

Gastroenterology Physician · Gastroenterology Physician · Dakota Dunes, SD

  • NPI 1396717229
  • 20 yrs on file
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 Tower Road, Suite 100
Dakota Dunes, SD 57049
(605) 217-4310
fax (605) 217-2915

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 25, 2011
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
South Dakota #3502 · Iowa #02660
Medicaid (3)
NE #42140591500 · IA #1074542 · SD #7797132

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396717229. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
134
Distinct HCPCS
7
Medicare allowed
$16,503
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 26 26 $168
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 22 21 $98
99213 Established patient office or other outpatient visit, 20-29 minutes 22 21 $88
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 20 20 $91
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 17 17 $225
43450 Dilation of esophagus 16 15 $37
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 11 11 $167

In context: peer comparison

Among 2 peers in this city , average services per provider: 72. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,139
Patients
338
Total drug cost
$89,057
Drug Type Claims Patients Total cost
Omeprazole Generic 456 104 $6,158
Pantoprazole Sodium Generic 180 39 $2,191
Metoclopramide Hcl Generic 112 86 $306
Dicyclomine Hcl Generic 77 15 $1,251
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 70 70 $1,127
Mesalamine Generic 55 0 $29,159
Budesonide Dr (Budesonide) Brand 51 11 $12,128
Creon (Lipase/Protease/Amylase) Brand 26 0 $30,034
Azathioprine Generic 20 0 $592
Prednisone Generic 19 0 $121

Frequently asked questions

Auto-generated from federal data
What is Dr. Kevin Preston's medical specialty?
Dr. Kevin Preston practices Gastroenterology Physician in Dakota Dunes, SD.
Where does Dr. Kevin Preston practice?
Dr. Kevin Preston practices at 101 Tower Road, Dakota Dunes, SD 57049. Office phone: 6052174310.
What is Dr. Kevin Preston's NPI?
Dr. Kevin Preston's National Provider Identifier (NPI) is 1396717229, issued by NPPES.
What procedures does Dr. Kevin Preston commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.