Dr. Jacob Zeffren MD
About this NPIWhat this record shows.
NPI 1053584185 is registered to Dr. Jacob Zeffren MD, a Medical Oncology Physician practising at 340 Kingsland St in Nutley, New Jersey. Medical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Jacob Zeffren MD has been enumerated in the National Provider Identifier (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 Dr. Jacob Zeffren MD accepts. To confirm in-network status with your specific health plan, contact Dr. Jacob Zeffren MD directly at (973) 562-3548.
Frequently asked
Yes. NPI 1053584185 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Medical Oncology 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 (973) 562-3548.
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. Dr. Jacob Zeffren MD is a Type-1 individual NPI.