Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

HAYASHI MEDICAL PC
NPI 1922905322
Ophthalmology in Mamaroneck, NY

Active since October 20, 2026
1600 HARRISON AVE STE G106A, MAMARONECK, NY 10543(914) 415-6300(914) 415-6300 Get Directions Write a Review

NPPES record added: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Hayashi Medical Pc NPPES

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

HAYASHI MEDICAL PC (NPI 1922905322) is a healthcare organization registered as an ophthalmology in Mamaroneck, New York and active in the NPI registry since October 2026. The organization lists Naomi Ingrid Hayashi, Officer & Owner, as its authorized official.

NPPES Registry Identity

NPI1922905322
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameHAYASHI MEDICAL PC
Location Address1600 HARRISON AVE STE G106AMamaroneck, NY 10543-3145
Mailing Address1600 Harrison Ave Ste G106aMamaroneck, NY 10543-3145 · (914) 415-6300 · Fax (914) 415-6300
Fax(914) 415-6300
Organization SubpartNo
Authorized OfficialNaomi Ingrid HayashiOfficer & Owner · (914) 415-6300
Enumeration DateOctober 20, 2026
NPPES CertifiedOctober 20, 2026
✔ NPI 1922905322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
1600 HARRISON AVE STE G106A, Mamaroneck, NY 10543

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 Hayashi Medical PC's NPI number?

The NPI number for Hayashi Medical PC is 1922905322. It was assigned to this organization in the NPPES registry on October 20, 2026.

Where is Hayashi Medical PC located?

Hayashi Medical PC is located at 1600 Harrison Ave Ste G106a, Mamaroneck, NY 10543. The listed phone number is (914) 415-6300.

What is Hayashi Medical PC's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Hayashi Medical PC was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.