Amber Theisen
About this NPIWhat this record shows.
NPI 1720858228 is registered to Amber Theisen, a Critical Care Medicine Registered Nurse practising at 4483 Duncan Ave in Saint Louis, Missouri. Critical Care Medicine Registered Nurse is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Amber Theisen has been enumerated in the National Provider Identifier (NPI) registry since 2024.
Your brand here.
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 Amber Theisen accepts. To confirm in-network status with your specific health plan, contact Amber Theisen directly at (314) 454-7055.
Frequently asked
Yes. NPI 1720858228 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Critical Care Medicine Registered Nurse 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) 454-7055.
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. Amber Theisen is a Type-1 individual NPI.