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

MR. JOHN SIDNEY KNAPP RN
NPI 1588085351
Registered Nurse - General Practice in Cold Spring, NY

Active since December 22, 2013
15 WENDALLS WAY, COLD SPRING, NY 10516(917) 757-8550 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 28, 2026, Sep 23, 2026 (2 updates tracked since 2026).

About Mr. John Sidney Knapp Rn NPPES

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

MR. JOHN SIDNEY KNAPP RN (NPI 1588085351) is an individual general practice provider in Cold Spring, New York, licensed in New York (603550) and active in the NPI registry since December 2013.

NPPES Registry Identity

NPI1588085351
Entity TypeIndividualMale
Primary Taxonomy163WG0000X
Provider Legal NameMR. JOHN SIDNEY KNAPPCredential: RN
Location Address15 WENDALLS WAYCold Spring, NY 10516-1014
Mailing Address15 Wendalls WayCold Spring, NY 10516-1014 · (917) 757-8550
Sole ProprietorNo
Enumeration DateDecember 22, 2013
Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1588085351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · General PracticeNursing Service Providers
Taxonomy Code163WG0000X
License✔ Licensed in NY · 603550
15 WENDALLS WAY, Cold Spring, NY 10516

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 John Knapp's NPI number?

The NPI number for John Knapp is 1588085351. It was assigned to this individual provider in the NPPES registry on December 22, 2013.

Where is John Knapp located?

John Knapp practices at 15 Wendalls Way, Cold Spring, NY 10516. The listed phone number is (917) 757-8550.

What is John Knapp's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in General Practice, with taxonomy code 163WG0000X.

When was this NPI record last updated?

The NPPES record for John Knapp was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.