Leonard J. Grossman. MD
About this NPIWhat this record shows.
NPI 1558537233 is registered to Leonard J. Grossman. MD, a healthcare organisation classified as "Exclusive Provider Organization" and located at 1911 Route 46 in Ledgewood, New Jersey. The organisation's authorised official is Leonard Grossman. The organisation has been enumerated in the NPI registry since 2008.
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 Leonard J. Grossman. MD accepts. To confirm in-network status with your specific health plan, contact Leonard J. Grossman. MD directly at (973) 347-8500.
Frequently asked
Yes. NPI 1558537233 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Exclusive Provider Organization 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 (973) 347-8500.
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. Leonard J. Grossman. MD is a Type-2 organisational NPI.