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

STEPHEN W HORNYAK M.D.
NPI 1043298581
Specialist in Staten Island, NY

Q: What is Stephen Hornyak's NPI number?

The NPI number for Stephen Hornyak is 1043298581. It was assigned to this individual provider in the NPPES registry on January 5, 2006.

Q: What is Stephen Hornyak's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Stephen Hornyak was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since January 05, 2006

71 COPPERLEAF TER, STATEN ISLAND, NY 10304(718) 755-7121(201) 699-5683 Get Directions Write a Review

NPPES record last updated: August 31, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

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About Stephen W Hornyak M.d. NPPES

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

STEPHEN W HORNYAK M.D. (NPI 1043298581) is an individual specialist in Staten Island, New York, licensed in New York (126870) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1043298581

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameSTEPHEN W HORNYAKCredential: M.D.

Location Address71 COPPERLEAF TERStaten Island, NY 10304-1115

Mailing Address71 Copperleaf TerStaten Island, NY 10304-1115 · (718) 755-7121 · Fax (201) 699-5683

Phone(718) 755-7121

Fax(201) 699-5683

Sole ProprietorYes

Enumeration DateJanuary 5, 2006

Last NPPES UpdateAugust 31, 2026

NPPES CertifiedAugust 31, 2026

✔ NPI 1043298581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in NY · 126870

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

71 COPPERLEAF TER, Staten Island, NY 10304

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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 Stephen Hornyak's NPI number?

The NPI number for Stephen Hornyak is 1043298581. It was assigned to this individual provider in the NPPES registry on January 5, 2006.

Where is Stephen Hornyak located?

Stephen Hornyak practices at 71 Copperleaf Ter, Staten Island, NY 10304. The listed phone number is (718) 755-7121.

What is Stephen Hornyak's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Stephen Hornyak was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.