Mount Sinai North Shore Medical Group
About this NPIWhat this record shows.
NPI 1659677037 is registered to Mount Sinai North Shore Medical Group, a healthcare organisation classified as "Internal Medicine" and located at 59 Southern Blvd in Nesconset, New York. The organisation's authorised official is Janet Street. The organisation has been enumerated in the NPI registry since 2011.
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 Mount Sinai North Shore Medical Group accepts. To confirm in-network status with your specific health plan, contact Mount Sinai North Shore Medical Group directly at (631) 659-1700.
Frequently asked
Yes. NPI 1659677037 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (631) 659-1700.
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. Mount Sinai North Shore Medical Group is a Type-2 organisational NPI.