Michael Czajka, APRN-CNP
NPI 1912941451 · Pediatric Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Czajka, APRN-CNP is a Pediatric Nurse Practitioner provider in Saint Louis, MO (NPI 1912941451).
Provider details
- NPI number
- 1912941451
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN-CNP
- Sex
- Male
- Sole proprietor
- No
- License
- 144420 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-06-15
- Last updated
- 2020-10-29
- Certified
- 2020-10-29
Frequently asked questions
- What is Michael Czajka's NPI number?
- Michael Czajka's National Provider Identifier (NPI) is 1912941451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Czajka's specialty?
- Michael Czajka is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Czajka located?
- Michael Czajka's practice location on file with NPPES is 1465 S Grand Blvd, Saint Louis, MO 63104-1003.
- What is Michael Czajka's phone number?
- The practice phone number listed in the NPPES registry for Michael Czajka is (314) 577-5674.
- Does Michael Czajka accept Medicare?
- Michael Czajka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Czajka's NPI active?
- Yes — Michael Czajka's NPI (1912941451) is active in the NPPES registry as of the last update on 2020-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.