What is Ellyn Hayes's NPI number?

Ellyn Hayes's National Provider Identifier (NPI) is 1801778188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ellyn Hayes's specialty?

Ellyn Hayes is listed in the NPPES registry with a primary specialty of Critical Care Medicine Registered Nurse (Nursing Service Providers).

Where is Ellyn Hayes located?

Ellyn Hayes's practice location on file with NPPES is 3435 Main Street, Buffalo, NY 14214.

What is Ellyn Hayes's phone number?

The practice phone number listed in the NPPES registry for Ellyn Hayes is (716) 984-8169.

Is Ellyn Hayes's NPI active?

Yes — Ellyn Hayes's NPI (1801778188) is active in the NPPES registry as of the last update on 2025-07-25.

IndividualActive

Ellyn Hayes, RN

NPI 1801778188 · Critical Care Medicine Registered Nurse · Buffalo, NY

Ellyn Hayes, RN is a Critical Care Medicine Registered Nurse provider in Buffalo, NY (NPI 1801778188).

Provider details

NPI number: 1801778188
Entity type: Individual
Primary specialty: Critical Care Medicine Registered NurseNursing Service Providers
Credential: RN
Sex: Female
Sole proprietor: No
License: 687518 (NY)

Specialties & taxonomies

Critical Care Medicine Registered NursePrimary163WC0200XLicense 687518 (NY)
Nursing Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
1 yr 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

3435 Main Street

Wende Hall

Buffalo, NY 14214

Phone: (716) 984-8169

Street-level locationGet directions

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Mailing address