AMBREEN KHAN MD
NPI 1902899164
Emergency Medicine in Brooklyn, NY
About Ambreen Khan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMBREEN KHAN MD (NPI 1902899164) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (218205-1) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Ambreen Khan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Ambreen Khan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11203
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: State Of New York Comptrollers Office
- 67 clinicians in this Medicare group
Brooklyn, NY 11203
- Reassigned Medicare billing, New York enrollment
- 63 clinicians in this Medicare group
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 11203 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 11203
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 Ambreen Khan's NPI number?
The NPI number for Ambreen Khan is 1902899164. It was assigned to this individual provider in the NPPES registry on August 23, 2005.
Where is Ambreen Khan located?
Ambreen Khan practices at 445 Lenox Rd, Brooklyn, NY 11203. The listed phone number is (718) 245-4790.
What is Ambreen Khan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ambreen Khan enrolled in Medicare?
Yes. Ambreen Khan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ambreen Khan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ambreen Khan reassigns Medicare benefits to 3 organizations: Suny Health Science Center At Bklyn (Brooklyn, NY), University Hospital Of Brooklyn Suny Downstate Health Sciences Univers (Brooklyn, NY) and North Shore - Lij Medical PC (New Hyde Park, 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 Ambreen Khan'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 Ambreen Khan was last updated on May 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.