What is Eileen Defonzo's NPI number?

Eileen Defonzo's National Provider Identifier (NPI) is 1528559390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Eileen Defonzo's specialty?

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

Where is Eileen Defonzo located?

Eileen Defonzo's practice location on file with NPPES is 34 Joludow Dr, Massapequa Park, NY 11762-3720.

What is Eileen Defonzo's phone number?

The practice phone number listed in the NPPES registry for Eileen Defonzo is (631) 645-6102.

Is Eileen Defonzo's NPI active?

Yes — Eileen Defonzo's NPI (1528559390) is active in the NPPES registry as of the last update on 2025-06-12.

IndividualActive

Eileen Defonzo

NPI 1528559390 · Specialist · Massapequa Park, NY

Eileen Defonzo is a Specialist provider in Massapequa Park, NY (NPI 1528559390).

Provider details

NPI number: 1528559390
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Sex: Female
Sole proprietor: No
License: 2557172 (NY)

Specialties & taxonomies

SpecialistPrimary174400000XLicense 2557172 (NY)
Other Service Providers

Profile Score

Established profile(68/100 index)

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

Registry tenure38% of score
8 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

34 Joludow Dr

Massapequa Park, NY 11762-3720

Phone: (631) 645-6102

Street-level locationGet directions

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Mailing address