Raymond Maciejewski, M.D.
NPI 1134284078 · Pediatrics Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Raymond Maciejewski, M.D. is a Pediatrics Physician provider in Saint Louis, MO (NPI 1134284078).
Provider details
- NPI number
- 1134284078
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2003018929 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-12-22
- Last updated
- 2012-07-25
Frequently asked questions
- What is Raymond Maciejewski's NPI number?
- Raymond Maciejewski's National Provider Identifier (NPI) is 1134284078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Raymond Maciejewski's specialty?
- Raymond Maciejewski is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Raymond Maciejewski located?
- Raymond Maciejewski's practice location on file with NPPES is 2001 S Lindbergh Blvd, Saint Louis, MO 63131-3504.
- What is Raymond Maciejewski's phone number?
- The practice phone number listed in the NPPES registry for Raymond Maciejewski is (314) 432-3600.
- Does Raymond Maciejewski accept Medicare?
- Raymond Maciejewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Raymond Maciejewski's NPI active?
- Yes — Raymond Maciejewski's NPI (1134284078) is active in the NPPES registry as of the last update on 2012-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.