Doctor profile · Federal record

Dr. Wendell Clarkston, MD

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Kansas City, MO

  • NPI 1144266248
  • Accepts Medicare
  • MIPS 77.3 / 100 · 2023
  • 42 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4320 Wornall RD, Suite 240
Kansas City, MO 641115941
(816) 932-7940
Mailing address
901 E 104Th St, Mailstop 400
Kansas City, MO 64131

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
November 16, 2017
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Missouri #R1732 · Kansas #0429011
Medicaid
MO #202516639

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144266248. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
560
Distinct HCPCS
10
Medicare allowed
$74,683
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 175 143 $121
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 99 99 $231
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 81 81 $66
45380 Biopsy of large bowel using a flexible endoscope 55 54 $133
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 32 32 $167
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 30 30 $127
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 29 24 $77
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 25 25 $94
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 23 23 $103
45378 Diagnostic exam of large bowel using a flexible endoscope 11 11 $166

In context: peer comparison

Among 17 peers in this city , average services per provider: 295. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,083
Patients
430
Total drug cost
$93,504
Drug Type Claims Patients Total cost
Famotidine Generic 281 91 $4,108
Pantoprazole Sodium Generic 239 88 $4,727
Omeprazole Generic 150 43 $2,184
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 94 91 $1,545
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 47 47 $8,074
Mesalamine Generic 45 12 $17,694
Linzess (Linaclotide) Brand 41 12 $34,665
Esomeprazole Magnesium Generic 31 0 $1,024
Dicyclomine Hcl Generic 30 14 $817
Budesonide Ec (Budesonide) Brand 28 15 $7,825

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wendell Clarkston's medical specialty?
Dr. Wendell Clarkston practices Gastroenterology Physician in Kansas City, MO.
Where does Dr. Wendell Clarkston practice?
Dr. Wendell Clarkston practices at 4320 Wornall RD, Kansas City, MO 641115941. Office phone: 8169327940.
What is Dr. Wendell Clarkston's NPI?
Dr. Wendell Clarkston's National Provider Identifier (NPI) is 1144266248, issued by NPPES.
Does Dr. Wendell Clarkston accept Medicare assignment?
Yes. Dr. Wendell Clarkston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wendell Clarkston commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.