Doctor profile · Federal record

Dr. Christopher Koehn, M.D.

Gastroenterology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Springfield, MO

  • NPI 1144677618
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2115 S Fremont Ave Ste 3300
Springfield, MO 658042246
(417) 820-5200
fax (417) 820-5220

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
August 9, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Missouri #2022031379 · Iowa #R-10489

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144677618. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
540
Distinct HCPCS
10
Medicare allowed
$72,650
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 117 117 $231
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 78 77 $99
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 60 60 $5
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 50 49 $164
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 45 45 $97
45380 Biopsy of large bowel using a flexible endoscope 27 27 $123
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $149
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 25 23 $124
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $123
99214 Established patient office or other outpatient visit, 30-39 minutes 20 20 $118

In context: peer comparison

Among 8 peers in this city , average services per provider: 46. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
564
Patients
401
Total drug cost
$29,609
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 309 303 $6,734
Omeprazole Generic 118 40 $1,372
Pantoprazole Sodium Generic 46 16 $736
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 27 26 $457
Linzess (Linaclotide) Brand 24 0 $16,602
Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 16 16 $194
Dicyclomine Hcl Generic 13 0 $62
Mesalamine Generic 11 0 $3,453

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Koehn's medical specialty?
Dr. Christopher Koehn practices Gastroenterology Physician in Springfield, MO.
Where does Dr. Christopher Koehn practice?
Dr. Christopher Koehn practices at 2115 S Fremont Ave Ste 3300, Springfield, MO 658042246. Office phone: 4178205200.
What is Dr. Christopher Koehn's NPI?
Dr. Christopher Koehn's National Provider Identifier (NPI) is 1144677618, issued by NPPES.
Does Dr. Christopher Koehn accept Medicare assignment?
Yes. Dr. Christopher Koehn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Koehn commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500). Source: CMS Medicare Physician & Other Practitioners file.