Mary Fournier, MD
NPI 1841251303 · Pediatric Adolescent Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Fournier, MD is a Pediatric Adolescent Medicine Physician provider in Saint Louis, MO (NPI 1841251303).
Provider details
- NPI number
- 1841251303
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2018013808 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2006-03-31
- Last updated
- 2025-04-17
Frequently asked questions
- What is Mary Fournier's NPI number?
- Mary Fournier's National Provider Identifier (NPI) is 1841251303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Fournier's specialty?
- Mary Fournier is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Fournier located?
- Mary Fournier's practice location on file with NPPES is 1 Childrens Pl, Saint Louis, MO 63110-1002.
- What is Mary Fournier's phone number?
- The practice phone number listed in the NPPES registry for Mary Fournier is (314) 454-2468.
- Does Mary Fournier accept Medicare?
- Mary Fournier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Fournier's NPI active?
- Yes — Mary Fournier's NPI (1841251303) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.