What is John Woltjen's NPI number?

John Woltjen's National Provider Identifier (NPI) is 1427042068, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Woltjen's specialty?

John Woltjen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).

Where is John Woltjen located?

John Woltjen's practice location on file with NPPES is 6325 Kennett Pl, Mission, KS 66202-4281.

What is John Woltjen's phone number?

The practice phone number listed in the NPPES registry for John Woltjen is (816) 590-9007.

Is John Woltjen's NPI active?

Yes — John Woltjen's NPI (1427042068) is active in the NPPES registry as of the last update on 2025-11-07.

IndividualActive

John Woltjen, M.D.

NPI 1427042068 · Gastroenterology Physician · Mission, KS

John Woltjen, M.D. is a Gastroenterology Physician provider in Mission, KS (NPI 1427042068).

Provider details

NPI number: 1427042068
Entity type: Individual
Primary specialty: Gastroenterology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 2018004808 (MO)

Specialties & taxonomies

Gastroenterology PhysicianPrimary207RG0100XLicense 2018004808 (MO)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

6325 Kennett Pl

Mission, KS 66202-4281

Phone: (816) 590-9007

Street-level locationGet directions

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Mailing address