Stephannie Siwik-Simpson NP
About this NPIWhat this record shows.
NPI 1578272597 is registered to Stephannie Siwik-Simpson NP, a Adult Health Nurse Practitioner practising at 1134 NY State Route 29 in Greenwich, New York. Adult Health Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Stephannie Siwik-Simpson NP has been enumerated in the National Provider Identifier (NPI) registry since 2022.
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
- I20230130001032Nurse PractitionerNY
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 Stephannie Siwik-Simpson NP accepts. To confirm in-network status with your specific health plan, contact Stephannie Siwik-Simpson NP directly at (185) 692-9861.
Frequently asked
Yes. NPI 1578272597 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Adult Health 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 (185) 692-9861.
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. Stephannie Siwik-Simpson NP is a Type-1 individual NPI.