Lyonel Francois Henri Day, MD
Hospitalist Physician · Elmhurst, NY
Lyonel Francois Henri Day, MD is a hospitalist physician with a practice address in Elmhurst, New York, and NPI 1578661294, issued on Sep 20, 2006. Check the license (New York 153922, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Lyonel Francois Henri Day
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 153922 NY
Self-reported in NPPES; status is on the state search - Practice location
- 7901 Broadway, Elmhurst, NY 11373
- Phone
- (718) 334-1921
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (718) 334-3432
- Medicaid ID
- 00246075 NY
- Entity
- Type 1 · individual
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Verify Lyonel Francois Henri Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 153922Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Lyonel Francois Henri Day among 2,067 hospitalist physician records in New York
Lyonel Francois Henri Day, MD is one of 2,067 hospitalist physician records with a practice address in New York. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 88% newer
- In a Medicare fileNo · 93% of these records are
- In the CMS Doctors and Clinicians fileNo · 83% of these records are
- Record last updated2007 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in New York
There are 2,067 hospitalist physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,067 in New York → Every provider in Elmhurst → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Liliana Cruz, MDElmhurst, NY 113731114414711
- Aaron Lipskar, MDElmhurst, NY 113731124203898
- Anh NguyenElmhurst, NY 113731588291678
- Tanya RastogiElmhurst, NY 113731932781788
- Jack Fang, M.D.Rego Park, NY 113741083904080
- Wanjiru Muigai, M.DJackson Heights, NY 113721093036311
- Dawa Sangmo, MDJackson Heights, NY 113721881396075
- Tahmina Alam, DOForest Hills, NY 113751740801448
Common questions
What is Lyonel Francois Henri Day, MD's NPI number?
Lyonel Francois Henri Day, MD's National Provider Identifier (NPI) is 1578661294, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lyonel Francois Henri Day, MD located?
The NPPES record lists a practice address at 7901 Broadway, Elmhurst, NY, 11373. Phone: (718) 334-1921. Providers update this record themselves, so call before visiting.
How can I verify Lyonel Francois Henri Day, MD's license?
NPPES lists New York license number 153922, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.