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ERIVER NEUROLOGY OF NY LLC
NPI 1811064520
Psychiatry & Neurology - Neurology in Fishkill, NY

Active since November 29, 2006
200 WESTAGE BUSINESS CTR DR STE 324, FISHKILL, NY 12524(845) 452-9750(845) 452-9751 Get Directions Write a Review

NPPES record last updated: June 10, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Eriver Neurology Of Ny Llc NPPES

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

ERIVER NEUROLOGY OF NY LLC (NPI 1811064520) is a healthcare organization registered as a neurology in Fishkill, New York and active in the NPI registry since November 2006. The organization lists Kathy Ryan, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1811064520
Entity TypeOrganization
Primary Taxonomy2084N0400X
Legal Business NameERIVER NEUROLOGY OF NEW YORK. LLC
Location Address200 WESTAGE BUSINESS CTR DR STE 324Fishkill, NY 12524-2265
Mailing Address200 Westage Business Ctr Dr Ste 324Fishkill, NY 12524-2265 · (845) 452-9750 · Fax (845) 452-9751
Phone(845) 452-9750
Fax(845) 452-9751
Organization SubpartNo
Authorized OfficialKathy RyanOffice Manager · (845) 452-9750
Enumeration DateNovember 29, 2006
Last NPPES UpdateJune 10, 2024
NPPES CertifiedJune 10, 2024
✔ NPI 1811064520 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyTaxonomy 2084N0402X
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X
200 WESTAGE BUSINESS CTR DR STE 324, Fishkill, NY 12524
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Other Names 1

Doing Business AsEriver Neurology Of Ny Llc

Other Identifiers 1

Medicaid02724909NY

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eriver Neurology Of Ny Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Eriver Neurology Of Ny LLC, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Rose Mathew, DO
Neurology
NPI 1679638886
200 WESTAGE BUS CTR DR. SUTIE 320
Fishkill, NY 12524
(845) 452-9750
✔ PECOS✔ Accepts Medicare0.1 mi
Samuel Koszer, MD
Neurology
NPI 1982697975
21 FOX STREET SUITE 102
Poughkeepsie, NY 12601
(845) 452-9750
✔ PECOS✔ Accepts Medicare11 mi
Glenn Castaneda, MD
Neurology
NPI 1821090333
21 FOX ST. SUITE 102
Poughkeepsie, NY 12601
(845) 452-9750
✔ PECOS✔ Accepts Medicare11 mi
John Mcnulty, MD
Neurosurgery
NPI 1255314332
6369 MILL ST SUITE 201
Rhinebeck, NY 12572
(845) 516-4836
✔ PECOS✔ Accepts Medicare28 mi
Laura Boylan, MD
Neurology
NPI 1225057003
462 1ST AVE
New York, NY 10016
(844) 692-4692
✔ PECOS55 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Eriver Neurology Of New York. LLC's NPI number?

The NPI number for Eriver Neurology Of New York. LLC is 1811064520. It was assigned to this organization in the NPPES registry on November 29, 2006. The provider is doing business as Eriver Neurology Of Ny LLC.

Where is Eriver Neurology Of New York. LLC located?

Eriver Neurology Of New York. LLC is located at 200 Westage Business Ctr Dr Ste 324, Fishkill, NY 12524. The listed phone number is (845) 452-9750.

What is Eriver Neurology Of New York. LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Eriver Neurology Of New York. LLC enrolled in Medicare?

Yes. Eriver Neurology Of New York. LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Eriver Neurology Of New York. LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Eriver Neurology Of New York. LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Neurology (4) and Neurosurgery (1). Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Eriver Neurology Of New York. LLC was last updated on June 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.