JEFFREY S ZWANG MD
NPI 1750456737
Internal Medicine - Critical Care Medicine in Bay Shore, NY
About Jeffrey S Zwang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY S ZWANG MD (NPI 1750456737) is an individual critical care medicine provider in Bay Shore, New York, licensed in New York (144257) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jeffrey S Zwang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jeffrey Zwang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11706 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BAY SHORE, NY 11706
BAY SHORE, NY 11706
BAY SHORE, NY 11706
BAY SHORE, NY 11706
BAY SHORE, NY 11706
BAY SHORE, NY 11706
BAY SHORE, NY 11706
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 Jeffrey Zwang's NPI number?
The NPI number for Jeffrey Zwang is 1750456737. It was assigned to this individual provider in the NPPES registry on November 22, 2006.
Where is Jeffrey Zwang located?
Jeffrey Zwang practices at 370 East Main Street Suite 5, Bay Shore, NY 11706. The listed phone number is (631) 666-5864.
What is Jeffrey Zwang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Jeffrey Zwang enrolled in Medicare?
Yes. Jeffrey Zwang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jeffrey Zwang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Zwang reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, NY). The 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 Jeffrey Zwang'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 Jeffrey Zwang was last updated on November 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.