George Diferdinando, MD
NPI 1669746327 · Public Health & General Preventive Medicine Physician · Piscataway, NJ
George Diferdinando, MD is a Public Health & General Preventive Medicine Physician provider in Piscataway, NJ (NPI 1669746327).
Provider details
- NPI number
- 1669746327
- Entity type
- Individual
- Primary specialty
- Public Health & General Preventive Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA07157900 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
Mailing address
Registry dates
- Enumerated
- 2012-02-28
- Last updated
- 2012-02-28
Frequently asked questions
- What is George Diferdinando's NPI number?
- George Diferdinando's National Provider Identifier (NPI) is 1669746327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Diferdinando's specialty?
- George Diferdinando is listed in the NPPES registry with a primary specialty of Public Health & General Preventive Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is George Diferdinando located?
- George Diferdinando's practice location on file with NPPES is 683 Hoes Ln W, Piscataway, NJ 08854-8021.
- What is George Diferdinando's phone number?
- The practice phone number listed in the NPPES registry for George Diferdinando is (732) 235-9039.
- Is George Diferdinando's NPI active?
- Yes — George Diferdinando's NPI (1669746327) is active in the NPPES registry as of the last update on 2012-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.