Alexandra Gronczewski
About this NPIWhat this record shows.
NPI 1477241958 is registered to Alexandra Gronczewski, a Family Nurse Practitioner practising at 20 Elm Rd in Princeton, New Jersey. Family Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Alexandra Gronczewski 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 3,979 Family Nurse Practitioner providers on file in New Jersey.
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
- I20251006003869Nurse PractitionerNJ
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 Alexandra Gronczewski accepts. To confirm in-network status with your specific health plan, contact Alexandra Gronczewski directly at (609) 610-3222.
Frequently asked
Yes. NPI 1477241958 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Nurse Practitioner 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 (609) 610-3222.
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. Alexandra Gronczewski is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 3,979 Family Nurse Practitioner providers are registered in New Jersey, and Alexandra Gronczewski is one of them. The figure refreshes each month from the federal source.