SYLVIE D DE SOUZA MD
NPI 1477590875
Emergency Medicine in Brooklyn, NY
About Sylvie D De Souza Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYLVIE D DE SOUZA MD (NPI 1477590875) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (189977) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sylvie D De Souza Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Sylvie De Souza reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11201
- Reassigned Medicare billing, New York enrollment
- 596 clinicians in this Medicare group
Syracuse, NY 13203
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Emergency Care Services Of New York PC
- 240 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 5
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 11201 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.
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 11201
BROOKLYN, NY 11201
BROOKLYN, NY 11201
BROOKLYN, NY 11201
BROOKLYN, NY 11201
BROOKLYN, NY 11201
BROOKLYN, NY 11201
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 Sylvie De Souza's NPI number?
The NPI number for Sylvie De Souza is 1477590875. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is Sylvie De Souza located?
Sylvie De Souza practices at 121 Dekalb Ave Brooklyn Hospital Emergency Department, Brooklyn, NY 11201. The listed phone number is (718) 250-6889.
What is Sylvie De Souza's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Sylvie De Souza enrolled in Medicare?
Yes. Sylvie De Souza is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sylvie De Souza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sylvie De Souza reassigns Medicare benefits to 2 organizations: City Medical Of Upper East Side, PLLC (Brooklyn, NY) and Emergency Care Services Of New York, P.C. (Syracuse, 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 Sylvie De Souza'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 Sylvie De Souza was last updated on September 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.