What is Lyonel Day's NPI number?

Lyonel Day's National Provider Identifier (NPI) is 1578661294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lyonel Day's specialty?

Lyonel Day is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).

Where is Lyonel Day located?

Lyonel Day's practice location on file with NPPES is 7901 Broadway, Elmhurst, NY 11373-1329.

What is Lyonel Day's phone number?

The practice phone number listed in the NPPES registry for Lyonel Day is (718) 334-1921.

Is Lyonel Day's NPI active?

Yes — Lyonel Day's NPI (1578661294) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Lyonel Day, MD

NPI 1578661294 · Hospitalist Physician · Elmhurst, NY

Lyonel Day, MD is a Hospitalist Physician provider in Elmhurst, NY (NPI 1578661294).

Provider details

NPI number: 1578661294
Entity type: Individual
Primary specialty: Hospitalist PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 153922 (NY)

Specialties & taxonomies

Hospitalist PhysicianPrimary208M00000XLicense 153922 (NY)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

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

7901 Broadway

Managed Care, D1-01

Elmhurst, NY 11373-1329

Phone: (718) 334-1921

Fax: (718) 334-3432

Approximate (ZIP-level) locationGet directions

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Mailing address