Ms. Heidi Sadowsky RN
About this NPIWhat this record shows.
NPI 1003766759 is registered to Ms. Heidi Sadowsky RN, a Oncology Registered Nurse practising at 300 E 66th St in New York, New York. Oncology Registered Nurse is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ms. Heidi Sadowsky RN has been enumerated in the National Provider Identifier (NPI) registry since 2026.
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 Ms. Heidi Sadowsky RN accepts. To confirm in-network status with your specific health plan, contact Ms. Heidi Sadowsky RN directly at (646) 888-4891.
Frequently asked
Yes. NPI 1003766759 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Oncology 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 (646) 888-4891.
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. Ms. Heidi Sadowsky RN is a Type-1 individual NPI.