MICHAEL LIBEN
NPI 1295311074
Hospitalist in Brooklyn, NY
About Michael Liben NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL LIBEN (NPI 1295311074) is an individual hospitalist provider in Brooklyn, New York, licensed in New York (331105) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Michael Liben is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Michael Liben reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brooklyn, NY 11215
- Reassigned Medicare billing, New York enrollment
- 1,029 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
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 11215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BROOKLYN, NY 11215
BROOKLYN, NY 11215
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 Michael Liben's NPI number?
The NPI number for Michael Liben is 1295311074. It was assigned to this individual provider in the NPPES registry on March 22, 2021.
Where is Michael Liben located?
Michael Liben practices at 506 6th St, Brooklyn, NY 11215. The listed phone number is (718) 780-3000.
What is Michael Liben's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Michael Liben enrolled in Medicare?
Yes. Michael Liben is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Michael Liben's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Liben reassigns Medicare benefits to Kings Physician Services, PC (Brooklyn, 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 Michael Liben'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 Michael Liben was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.