Leonard Grossman M.D.
About this NPIWhat this record shows.
NPI 1578600136 is registered to Leonard Grossman M.D., a Rheumatology Physician practising at 419 N Harrison St in Princeton, New Jersey. Rheumatology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Leonard Grossman M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 0419803000· Issued by AMERIHLTH IBC PCP SPEC.
- 1547974· Issued by UNITED HEALTH CARE
- 160052226· Issued by RAILROAD MEDICARE
- P441630· Issued by OXFORD PCP
- 854535· Issued by AETNA PCP
- 597405· Issued by AMERIHLTH ADMIN PCP SPEC
- 2195157· Issued by AETNA SPECIALTY
- P1308108· Issued by OXFORD SPECIALTY
Medicaid
- 1651404NJ
Source: NPPES public registry.
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 Grossman M.D. accepts. To confirm in-network status with your specific health plan, contact Leonard Grossman M.D. directly at (609) 924-9300.
Frequently asked
Yes. NPI 1578600136 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Rheumatology Physician 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) 924-9300.
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 Grossman M.D. is a Type-1 individual NPI.