1. Home
  2. Directory
  3. New York
  4. New Hyde Park
  5. Emergency Medicine
  6. NPI Profile

KEI HAYASHIDA MD, PHD
NPI 1033851340
Emergency Medicine in New Hyde Park, NY

Active since April 08, 2022PECOS EnrolledAccepts Medicare Assignment
27005 76TH AVE, NEW HYDE PARK, NY 11040(631) 968-3271 Get Directions Write a Review

NPPES record last updated: August 13, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 13, 2025, Apr 8, 2022 (2 updates tracked since 2022).

About Kei Hayashida Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KEI HAYASHIDA MD, PHD (NPI 1033851340) is an individual emergency medicine provider in New Hyde Park, New York, licensed in New York (337831) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1033851340
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameKEI HAYASHIDACredential: MD, PHD
Location Address27005 76TH AVENew Hyde Park, NY 11040-1402
Mailing Address27005 76th AveNew Hyde Park, NY 11040-1496 · (718) 470-7000
Phone(631) 968-3271
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateApril 8, 2022
Last NPPES UpdateAugust 13, 20252 updates tracked since enumeration
NPPES CertifiedAugust 8, 2025
✔ NPI 1033851340 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NY · 337831
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
27005 76TH AVE, New Hyde Park, NY 11040
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kei Hayashida Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4880107580
PECOS Enrollment IDI20250626003493
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330106
Location300 Community DriveManhasset, NY 11030 · Nassau County
Emergency services Birthing friendly

Long Island Jewish Medical Center

Acute Care Hospitals · New Hyde Park, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330195
Location270 - 05 76th AvenueNew Hyde Park, NY 11040 · Nassau County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YELENA PYATOV MD
Family Medicine
27005 76TH AVE, DEPARTMENT OF PEDIATRICS
NEW HYDE PARK, NY 11040
Nassau County (718) 470-7700
DR. FARHEEN HASAN MD
Internal Medicine
27005 76TH AVE
NEW HYDE PARK, NY 11040
Nassau County (718) 470-7000
LONG ISLAND JEWISH MEDICAL CENTER
General Acute Care Hospital
27005 76TH AVE, DEPARTMENT OF MEDICINE
NEW HYDE PARK, NY 11040
Nassau County (718) 470-7875
ELIZABETH ALISON HOWSE M.D.
Emergency Medicine
27005 76TH AVE, DEPARMENT OF EMERGENCY MEDICINE
NEW HYDE PARK, NY 11040
Nassau County (718) 470-7501
ANDY CHOY MD
Radiology (Diagnostic Radiology)
27005 76TH AVE, SUITE C204
NEW HYDE PARK, NY 11040
Nassau County (973) 692-8694
JOANNA M MIDY WHNP
Nurse Practitioner (Women's Health)
27005 76TH AVE
NEW HYDE PARK, NY 11040
Nassau County (516) 470-5304
XIXI XU
Nurse Anesthetist, Certified Registered
27005 76TH AVE
NEW HYDE PARK, NY 11040
Nassau County (718) 470-7000
TYLER WEINSTEIN
Physician Assistant (Medical)
27005 76TH AVE
NEW HYDE PARK, NY 11040
Nassau County (718) 470-7000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kei Hayashida's NPI number?

The NPI number for Kei Hayashida is 1033851340. It was assigned to this individual provider in the NPPES registry on April 8, 2022.

Where is Kei Hayashida located?

Kei Hayashida practices at 27005 76th Ave, New Hyde Park, NY 11040. The listed phone number is (631) 968-3271.

What is Kei Hayashida's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Kei Hayashida enrolled in Medicare?

Yes. Kei Hayashida is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Kei Hayashida affiliated with any hospitals?

According to CMS data, Kei Hayashida is affiliated with North Shore University Hospital and Long Island Jewish Medical Center.

When was this NPI record last updated?

The NPPES record for Kei Hayashida was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.