What is Nancy Felder's NPI number?

Nancy Felder's National Provider Identifier (NPI) is 1942170014, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nancy Felder's specialty?

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

Where is Nancy Felder located?

Nancy Felder's practice location on file with NPPES is 233 Madison Ave, Island Park, NY 11558-1316.

What is Nancy Felder's phone number?

The practice phone number listed in the NPPES registry for Nancy Felder is (516) 239-1944.

Is Nancy Felder's NPI active?

Yes — Nancy Felder's NPI (1942170014) is active in the NPPES registry as of the last update on 2025-11-05.

IndividualActive

Nancy Felder

NPI 1942170014 · Specialist · Island Park, NY

Nancy Felder is a Specialist provider in Island Park, NY (NPI 1942170014).

Provider details

NPI number: 1942170014
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

SpecialistPrimary174400000X
Other Service Providers

Profile Score

Basic profile(47/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

233 Madison Ave

Island Park, NY 11558-1316

Phone: (516) 239-1944

Street-level locationGet directions

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Mailing address