DR. JOHN ANTHONY WOLTJEN M.D.
NPI 1427042068
Internal Medicine - Gastroenterology in Mission, KS

Q: What is John Woltjen's NPI number?

The NPI number for John Woltjen is 1427042068. It was assigned to this individual provider in the NPPES registry on September 9, 2005.

Q: What is John Woltjen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for John Woltjen was last updated on November 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 09, 2005

6325 KENNETT PL, MISSION, KS 66202(816) 590-9007 Get Directions Write a Review

NPPES record last updated: November 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. John Anthony Woltjen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN ANTHONY WOLTJEN M.D. (NPI 1427042068) is an individual gastroenterology provider in Mission, Kansas, licensed in Missouri (2018004808) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1427042068

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. JOHN ANTHONY WOLTJENCredential: M.D.

Location Address6325 KENNETT PLMission, KS 66202-4281

Mailing Address6325 Kennett PlMission, KS 66202-4281 · (816) 590-9007

Phone(816) 590-9007

Sole ProprietorYes

Enumeration DateSeptember 9, 2005

Last NPPES UpdateNovember 7, 2025

NPPES CertifiedNovember 7, 2025

✔ NPI 1427042068 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MO · 2018004808

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

6325 KENNETT PL, Mission, KS 66202

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Other Identifiers 1

Medicaid201526027MO

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Woltjen's NPI number?

The NPI number for John Woltjen is 1427042068. It was assigned to this individual provider in the NPPES registry on September 9, 2005.

Where is John Woltjen located?

John Woltjen practices at 6325 Kennett Pl, Mission, KS 66202. The listed phone number is (816) 590-9007.

What is John Woltjen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for John Woltjen was last updated on November 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.