NPPES file of Aug 9, 2026

Christopher Douglas Koehn, M.D.

Gastroenterology Physician · Springfield, MO

Christopher Douglas Koehn, M.D. is a gastroenterology physician with a practice address in Springfield, Missouri, and NPI 1144677618, issued on May 15, 2016. Check the license (Missouri 2022031379, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144677618
Name
Christopher Douglas Koehn
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
2022031379 MO
R-10489 IA
Self-reported in NPPES; status is on the state search
Practice location
2115 S Fremont Ave Ste 3300, Springfield, MO 65804
Phone
(417) 820-5200
Enumerated
May 15, 2016
Record last updated
Aug 9, 2022
Fax
(417) 820-5220
Medicare enrollment
Enrolled (PECOS I20220914002439); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 2016
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest gastroenterology physician records → All 414 in Missouri → Look up another NPI →

Also registered at 2115 S Fremont Ave Ste 3300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashley Behl, FNP-BCFamily Nurse Practitioner1609754159
  2. Mihir BrahmbhattGastroenterology Physician1275915506
  3. Vanna Carr, PA-CPhysician Assistant1295440667
  4. Kyera CopelandNurse Practitioner1487487849
  5. Brianna Denton, PHARMDAmbulatory Care Pharmacist1538732482
  6. Angelina Denton-Howell, FNPFamily Nurse Practitioner1760106868

Verify Christopher Douglas Koehn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2022031379    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

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23% more Medicare Part D claims than the average gastroenterology physician in 2024

999 Medicare Part D claims for 583 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Christopher Koehn999
  2. Specialty average811

Most prescribed

  1. Peg 3350-Electrolyte321 claims
  2. Omeprazole155 claims
  3. Pantoprazole Sodium75 claims
  4. Peg-3350 And Electrolytes57 claims
  5. Gavilyte-G48 claims
  6. Gavilyte-N39 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Mercy Clinic Springfield CommunitiesSpringfield, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Douglas Koehn among 414 gastroenterology physician records in Missouri

Christopher Douglas Koehn, M.D. is one of 414 gastroenterology physician records with a practice address in Missouri. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 84% of them.

  • NPI issued2016 · 84% of these records are older, 12% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2016 · median 2003 among the 303 with a school on file
  • Record last updated2022 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Missouri

There are 414 gastroenterology physician records in Missouri.

All 414 in Missouri → Every provider in Springfield → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Daniel Brady, MDSpringfield, MO 658041184644064
  2. David Geier, MDSpringfield, MO 658041306914403
  3. Sanjay Havaldar, MDSpringfield, MO 658041881637296
  4. Mubashir Khan, MDSpringfield, MO 658041417990425
  5. Christopher Knudsen, D.O.Springfield, MO 658041124258777
  6. Roy Libel, MDSpringfield, MO 658041528136645
  7. Donald Mangum, MDSpringfield, MO 658041679641799
  8. Donald Nelson, MDSpringfield, MO 658041366510380

Common questions

What is Christopher Douglas Koehn, M.D.'s NPI number?

Christopher Douglas Koehn, M.D.'s National Provider Identifier (NPI) is 1144677618, issued on May 15, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Douglas Koehn, M.D. located?

The NPPES record lists a practice address at 2115 S Fremont Ave Ste 3300, Springfield, MO, 65804. Phone: (417) 820-5200. Providers update this record themselves, so call before visiting.

How can I verify Christopher Douglas Koehn, M.D.'s license?

NPPES lists Missouri license number 2022031379, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher Douglas Koehn, M.D. prescribe under Medicare Part D?

In 2024, Christopher Douglas Koehn, M.D. had 999 Medicare Part D claims for 583 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.