IAN DESOUZA MD
NPI 1659363448
Emergency Medicine in Brooklyn, NY
About Ian Desouza Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IAN DESOUZA MD (NPI 1659363448) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (2238321-1) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Kings County Hospital Center, and is a graduate of New York University School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Ian Desouza 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 Ian Desouza reassigns Medicare billing to 2 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
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 4
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kings County Hospital Center
Acute Care Hospitals · Brooklyn, NYSuny/Downstate University Hospital Of Brooklyn
Acute Care Hospitals · Brooklyn, NYPhysician 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.
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 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 Ian Desouza's NPI number?
The NPI number for Ian Desouza is 1659363448. It was assigned to this individual provider in the NPPES registry on August 17, 2005.
Where is Ian Desouza located?
Ian Desouza practices at 445 Lenox Rd Box 1262, Brooklyn, NY 11203. The listed phone number is (718) 270-8880.
What is Ian Desouza's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ian Desouza enrolled in Medicare?
Yes. Ian Desouza 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 Ian Desouza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Desouza reassigns Medicare benefits to 2 organizations: Suny Health Science Center At Bklyn (Brooklyn, NY) and University Hospital Of Brooklyn Suny Downstate Health Sciences Univers (Brooklyn, 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 Ian Desouza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ian Desouza affiliated with any hospitals?
According to CMS data, Ian Desouza is affiliated with Kings County Hospital Center and Suny/Downstate University Hospital Of Brooklyn.
When was this NPI record last updated?
The NPPES record for Ian Desouza was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Ian Desouza, MD · NPI 1659363448
Emergency Medicine physician in Brooklyn, New York. Individual provider, active in the CMS NPPES registry since August 17, 2005.
## Identity
- **NPI:** 1659363448 (Entity type: Individual)
- **Enumerated:** August 17, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 2238321-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 445 LENOX RD, BOX 1262, Brooklyn, NY 11203-2017
- **Phone:** (718) 270-8880
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Suny Health Science Center At Bklyn (NPI 1588077994, Brooklyn, NY); University Hospital Of Brooklyn Suny Downstate Health Sciences Univers (NPI 1740853340, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicaid 2238321 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1659363448) · Data from the CMS NPPES public registry.