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

Dr. John P Greenberg, MD

Individual provider Specialist · NPI 1164452439

Dr. John P Greenberg, MD is a Specialist in Somerville, New Jersey. Licensed in New Jersey. Registered with an NPI since 2006.

Licensed in
NJ
In the registry since
2006
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

242 E Main St
Somerville, NJ 08876-3019
Phone: (908) 526-4484
Fax: (908) 526-9183
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 25MA02115600 (NJ)

Record details

NPI number1164452439
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESJuly 8, 2007
Mailing address242 E Main St, Somerville, NJ 08876-3019

Other providers in Somerville