IndividualActive
John Greene, PH.D.
NPI 1740603430 · Clinical Medical Laboratory · Riverdale, NJ
John Greene, PH.D. is a Clinical Medical Laboratory provider in Riverdale, NJ (NPI 1740603430).
Provider details
- NPI number
- 1740603430
- Entity type
- Individual
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MS00016000 (NJ)
Specialties & taxonomies
Laboratories
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
82 Newark Pompton Tpke Ste 1
Riverdale, NJ 07457-1427
Phone: (347) 879-9494
Street-level locationGet directions
Mailing address
Po Box 31
Clifton, NJ 07015-0031
Registry dates
- Enumerated
- 2014-01-30
- Last updated
- 2022-01-21
- Certified
- 2022-01-21
Frequently asked questions
- What is John Greene's NPI number?
- John Greene's National Provider Identifier (NPI) is 1740603430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Greene's specialty?
- John Greene is listed in the NPPES registry with a primary specialty of Clinical Medical Laboratory (Laboratories).
- Where is John Greene located?
- John Greene's practice location on file with NPPES is 82 Newark Pompton Tpke Ste 1, Riverdale, NJ 07457-1427.
- What is John Greene's phone number?
- The practice phone number listed in the NPPES registry for John Greene is (347) 879-9494.
- Is John Greene's NPI active?
- Yes — John Greene's NPI (1740603430) is active in the NPPES registry as of the last update on 2022-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.