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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JONATHAN WILLNER MD
NPI 1427678564
Pathology - Anatomic Pathology & Clinical Pathology in New Hyde Park, NY

Active since April 18, 2020
450 LAKEVILLE RD STE M50, NEW HYDE PARK, NY 11042(800) 472-5757 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 7, 2026, Apr 18, 2020 (2 updates tracked since 2020).

About Jonathan Willner Md NPPES

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

JONATHAN WILLNER MD (NPI 1427678564) is an individual anatomic pathology & clinical pathology provider in New Hyde Park, New York, licensed in New York (326627) and active in the NPI registry since April 2020.

NPPES Registry Identity

NPI1427678564
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameJONATHAN WILLNERCredential: MD
Location Address450 LAKEVILLE RD STE M50New Hyde Park, NY 11042-1117
Mailing Address450 Lakeville Rd Ste M50New Hyde Park, NY 11042-1117
Phone(800) 472-5757
Sole ProprietorNo
Enumeration DateApril 18, 2020
Last NPPES UpdateAugust 7, 20262 updates tracked since enumeration
NPPES CertifiedAugust 7, 2026
✔ NPI 1427678564 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in NY · 326627
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
450 LAKEVILLE RD STE M50, New Hyde Park, NY 11042
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Other Providers at the Same Location NPPES 3

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

NORTHWELL HEALTH LABORATORIES
Clinical Medical Laboratory
450 LAKEVILLE RD STE M50
NEW HYDE PARK, NY 11042
Nassau County (516) 719-1000
EMELIA GRANT MS
Genetic Counselor, MS
450 LAKEVILLE RD STE M50
NEW HYDE PARK, NY 11042
Nassau County (516) 416-6294
NKEMAKONAM OKOYE PHD
Pathology (Clinical Pathology/Laboratory Medicine)
450 LAKEVILLE RD STE M50
NEW HYDE PARK, NY 11042
Nassau County (516) 233-0851

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 Jonathan Willner's NPI number?

The NPI number for Jonathan Willner is 1427678564. It was assigned to this individual provider in the NPPES registry on April 18, 2020.

Where is Jonathan Willner located?

Jonathan Willner practices at 450 Lakeville Rd Ste M50, New Hyde Park, NY 11042. The listed phone number is (800) 472-5757.

What is Jonathan Willner's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

When was this NPI record last updated?

The NPPES record for Jonathan Willner was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.