Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Kei Hayashida, MD, PHD

Individual provider Emergency Medicine Physician · NPI 1033851340

Kei Hayashida, MD, PHD is an Emergency Medicine in New Hyde Park, New York. Qualified in 2002, 24 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
24
Licensed in
NY
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

27005 76th Ave
New Hyde Park, NY 11040-1402
Phone: (631) 968-3271
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 337831 (NY)

Record details

NPI number1033851340
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedApril 8, 2022
Last updated in NPPESAugust 13, 2025
Certification dateAugust 8, 2025
Mailing address27005 76th Ave, New Hyde Park, NY 11040-1496

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in New Hyde Park