OLD HOOK HOSPITALISTS LLC
NPI 1093151334
Hospitalist in Westwood, NJ
About Old Hook Hospitalists Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLD HOOK HOSPITALISTS LLC (NPI 1093151334) is a healthcare organization registered as a hospitalist in Westwood, New Jersey and active in the NPI registry since May 2013. The organization lists Joseph J Calabro, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Old Hook Hospitalists Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
16Medicare enrollment records show 16 clinicians reassign Medicare billing to Old Hook Hospitalists LLC, which bills Medicare for the services they deliver. Of these, 6 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 5
Clinicians, nearest first (16)
Paramus, NJ 07652
Los Angeles, CA 90026
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 Old Hook Hospitalists LLC's NPI number?
The NPI number for Old Hook Hospitalists LLC is 1093151334. It was assigned to this organization in the NPPES registry on May 14, 2013.
Where is Old Hook Hospitalists LLC located?
Old Hook Hospitalists LLC is located at 250 Old Hook Road, Westwood, NJ 07675. The listed phone number is (201) 880-2700.
What is Old Hook Hospitalists LLC's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Old Hook Hospitalists LLC enrolled in Medicare?
Yes. Old Hook Hospitalists LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Old Hook Hospitalists LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 16 clinicians in 5 Medicare specialties reassign their Medicare billing to Old Hook Hospitalists 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 Internal Medicine (10), Hospitalist (3) and Critical Care (Intensivists) (1). Of these, 6 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 Old Hook Hospitalists LLC was last updated on May 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.