Matthew Cormier, MD
NPI 1245809847 · Pediatrics Physician · Saint Charles, MO
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Cormier, MD is a Pediatrics Physician provider in Saint Charles, MO (NPI 1245809847).
Provider details
- NPI number
- 1245809847
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2024015947 (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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 1 Childrens PlDiv Ped Hospitalist MedSaint Louis, MO 63110-1002Phone: (314) 454-2076Fax: (314) 747-8953
- 1660 W Meyer RdWentzville, MO 63385-3409Phone: (636) 332-6663Fax: (636) 332-8230
Registry dates
- Enumerated
- 2021-06-18
- Last updated
- 2025-11-21
- Certified
- 2025-11-21
Frequently asked questions
- What is Matthew Cormier's NPI number?
- Matthew Cormier's National Provider Identifier (NPI) is 1245809847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Cormier's specialty?
- Matthew Cormier is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Cormier located?
- Matthew Cormier's practice location on file with NPPES is 11 Garvey Pkwy, Saint Charles, MO 63303-5614.
- What is Matthew Cormier's phone number?
- The practice phone number listed in the NPPES registry for Matthew Cormier is (636) 441-7280.
- Does Matthew Cormier accept Medicare?
- Matthew Cormier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Cormier's NPI active?
- Yes — Matthew Cormier's NPI (1245809847) is active in the NPPES registry as of the last update on 2025-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.