CHAIM POPER DO
NPI 1346745908
Internal Medicine in Brooklyn, NY
About Chaim Poper Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHAIM POPER DO (NPI 1346745908) is an individual internal medicine provider in Brooklyn, New York, licensed in New York (309311) and active in the NPI registry since March 2018. 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)
Chaim Poper Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Chaim Poper reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Monroe, NY 10950
- Reassigned Medicare billing, New York enrollment
- 97 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 11249 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 9
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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Chaim Poper's NPI number?
The NPI number for Chaim Poper is 1346745908. It was assigned to this individual provider in the NPPES registry on March 27, 2018.
Where is Chaim Poper located?
Chaim Poper practices at 74 Wallabout St, Brooklyn, NY 11249. The listed phone number is (718) 260-4600.
What is Chaim Poper's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Chaim Poper enrolled in Medicare?
Yes. Chaim Poper is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Chaim Poper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chaim Poper reassigns Medicare benefits to Aizer Health , Inc. (Monroe, 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 Chaim Poper'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 Chaim Poper was last updated on October 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.