DR. JOSHUA KALOWITZ M.D.
NPI 1326024753
Radiology - Diagnostic Radiology in Stony Brook, NY
About Dr. Joshua Kalowitz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSHUA KALOWITZ M.D. (NPI 1326024753) is an individual diagnostic radiology provider in Stony Brook, New York, licensed in New York (162869-1) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Joshua Kalowitz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Joshua Kalowitz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jericho, NY 11753
- Reassigned Medicare billing, New York enrollment
- 413 clinicians in this Medicare group
Oceanside, NY 11572
- Reassigned Medicare billing, New York enrollment
- 23 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11794 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
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 Joshua Kalowitz's NPI number?
The NPI number for Joshua Kalowitz is 1326024753. It was assigned to this individual provider in the NPPES registry on December 18, 2005.
Where is Joshua Kalowitz located?
Joshua Kalowitz practices at 101 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (631) 444-5400.
What is Joshua Kalowitz's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Joshua Kalowitz enrolled in Medicare?
Yes. Joshua Kalowitz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Joshua Kalowitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Kalowitz reassigns Medicare benefits to 2 organizations: Optum Urgent Care, PLLC (Jericho, NY) and Icahn School Of Medicine At Mount Sinai (Oceanside, NY). Each 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 Joshua Kalowitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Joshua Kalowitz was last updated on November 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.