Marissa St Peters
About this NPIWhat this record shows.
NPI 1881391142 is registered to Marissa St Peters, a Nurse Practitioner, Pediatrics practising at 1 Childrens Pl in Saint Louis, Missouri. Nurse Practitioner, Pediatrics is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Marissa St Peters has been enumerated in the National Provider Identifier (NPI) registry since 2023.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 889 Nurse Practitioner, Pediatrics providers on file in Missouri.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20251106003207Nurse PractitionerIL
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Marissa St Peters accepts. To confirm in-network status with your specific health plan, contact Marissa St Peters directly at (314) 454-6000.
Frequently asked
Yes. NPI 1881391142 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Nurse Practitioner, Pediatrics is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (314) 454-6000.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Marissa St Peters is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 889 Nurse Practitioner, Pediatrics providers are registered in Missouri, and Marissa St Peters is one of them. The figure refreshes each month from the federal source.