Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Jacob Zeffren, MD

Individual provider Medical Oncology Physician · NPI 1053584185

Dr. Jacob Zeffren, MD is a Medical Oncology Physician in Nutley, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

340 Kingsland St
Nutley, NJ 07110-1150
Phone: (973) 562-3548
Fax: (973) 562-3563
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 25MA04523200 (NJ)

Record details

NPI number1053584185
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 9, 2008
Last updated in NPPESApril 9, 2008
Mailing address340 Kingsland St, Nutley, NJ 07110-1150