What is John Greenberg's NPI number?

John Greenberg's National Provider Identifier (NPI) is 1164452439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Greenberg's specialty?

John Greenberg is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is John Greenberg located?

John Greenberg's practice location on file with NPPES is 242 E Main St, Somerville, NJ 08876-3019.

What is John Greenberg's phone number?

The practice phone number listed in the NPPES registry for John Greenberg is (908) 526-4484.

Is John Greenberg's NPI active?

Yes — John Greenberg's NPI (1164452439) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Greenberg, M.D.

NPI 1164452439 · Specialist · Somerville, NJ

John Greenberg, M.D. is a Specialist provider in Somerville, NJ (NPI 1164452439).

Provider details

NPI number: 1164452439
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 25MA02115600 (NJ)

Specialties & taxonomies

SpecialistPrimary174400000XLicense 25MA02115600 (NJ)
Other Service Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

242 E Main St

Somerville, NJ 08876-3019

Phone: (908) 526-4484

Fax: (908) 526-9183

Street-level locationGet directions

More NJ providers

Mailing address