Paul Fontanazza, MD
NPI 1225041965 · Internal Medicine Physician · Harrison, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Fontanazza, MD is a Internal Medicine Physician provider in Harrison, NJ (NPI 1225041965).
Provider details
- NPI number
- 1225041965
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 32061 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-08-14
- Last updated
- 2023-03-07
Frequently asked questions
- What is Paul Fontanazza's NPI number?
- Paul Fontanazza's National Provider Identifier (NPI) is 1225041965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Fontanazza's specialty?
- Paul Fontanazza is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Fontanazza located?
- Paul Fontanazza's practice location on file with NPPES is 450 Bergen St, Harrison, NJ 07029.
- What is Paul Fontanazza's phone number?
- The practice phone number listed in the NPPES registry for Paul Fontanazza is (973) 484-6900.
- Does Paul Fontanazza accept Medicare?
- Paul Fontanazza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Fontanazza's NPI active?
- Yes — Paul Fontanazza's NPI (1225041965) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.