NPPES file of Aug 9, 2026

John Anthony Woltjen, M.D.

Gastroenterology Physician · Mission, KS

John Anthony Woltjen, M.D. is a gastroenterology physician with a practice address in Mission, Kansas, and NPI 1427042068, issued on Sep 9, 2005. Check the license on the Kansas State Board of 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
1427042068
Name
John Anthony Woltjen
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
2018004808 MO
Self-reported in NPPES; status is on the state search
Practice location
6325 Kennett PL, Mission, KS 66202
Phone
(816) 590-9007
Enumerated
Sep 9, 2005
Record last updated
Nov 7, 2025
Medicaid ID
201526027 MO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify John Anthony Woltjen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKansas State Board of Healing ArtsCheck 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 Kansas license search

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98% fewer Medicare Part D claims than the average gastroenterology physician in 2024

16 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Woltjen16
  2. Specialty average811

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.

John Anthony Woltjen among 111 gastroenterology physician records in Kansas

John Anthony Woltjen, M.D. is one of 111 gastroenterology physician records with a practice address in Kansas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2025 · 34% 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 Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Kansas

There are 111 gastroenterology physician records in Kansas.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. John Sturgeon, M.D.Shawnee Mission, KS 662041942201348
  2. Gary Cornette, D.O.Overland Park, KS 662091639149271
  3. Jeffrey Schlachter, D.O.Overland Park, KS 662091073530697
  4. Francis Dailey, M.D.Leawood, KS 662111942611892
  5. Erica Dailey, DOOverland Park, KS 662111760893184
  6. Rishi Grewal, MDOverland Park, KS 662111417054404
  7. Lyla Saeed, MDOverland Park, KS 662111063945103
  8. Randal Brown, M.D.Overland Park, KS 662121316998818

Common questions

What is John Anthony Woltjen, M.D.'s NPI number?

John Anthony Woltjen, M.D.'s National Provider Identifier (NPI) is 1427042068, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Anthony Woltjen, M.D. located?

The NPPES record lists a practice address at 6325 Kennett PL, Mission, KS, 66202. Phone: (816) 590-9007. Providers update this record themselves, so call before visiting.

How can I verify John Anthony Woltjen, M.D.'s license?

Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Anthony Woltjen, M.D. prescribe under Medicare Part D?

In 2024, John Anthony Woltjen, M.D. had 16 Medicare Part D claims; 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.

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.