Ian Desouza, MD
Emergency Medicine Physician · Brooklyn, NY
Ian Desouza, MD is an emergency medicine physician with a practice address in Brooklyn, New York, and NPI 1659363448, issued on Aug 17, 2005. Check the license (New York 2238321-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ian Desouza
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 2238321-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 445 Lenox RD, Brooklyn, NY 11203
- Phone
- (718) 270-8880
- Enumerated
- Aug 17, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 2238321 NY
- Medicare enrollment
- Enrolled (PECOS I20040322000165); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 445 Lenox RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ian Desouza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 2238321-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average emergency medicine physician in 2024
42 Medicare Part D claims for 29 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 93.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Hospital OF Brooklyn Suny Downstate Health Sciences UniversBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian Desouza among 5,025 emergency medicine physician records in New York
Ian Desouza, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1999 · median 2013 among the 3,232 with a school on file
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
719 emergency medicine physician records list a practice address in Brooklyn
They are 719 of the 64,057 NPPES records with a practice address in Brooklyn, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Brooklyn → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Konstantinos AgoritsasBrooklyn, NY 112031720070600
- Bonnie ArquillaBrooklyn, NY 112031295727170
- Gerard Casey, MDBrooklyn, NY 112031194717868
- Joseph Chirayil, MDBrooklyn, NY 112031023000916
- Rachel GeorgeBrooklyn, NY 112031588656052
- Aleksandr Gleyzer, MDBrooklyn, NY 112031417949165
- Ernst Gustave, MDBrooklyn, NY 112031124010871
- Michael Hockstein, MDBrooklyn, NY 112031598757262
Common questions
What is Ian Desouza, MD's NPI number?
Ian Desouza, MD's National Provider Identifier (NPI) is 1659363448, issued on Aug 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ian Desouza, MD located?
The NPPES record lists a practice address at 445 Lenox RD, Brooklyn, NY, 11203. Phone: (718) 270-8880. Providers update this record themselves, so call before visiting.
How can I verify Ian Desouza, MD's license?
NPPES lists New York license number 2238321-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ian Desouza, MD prescribe under Medicare Part D?
In 2024, Ian Desouza, MD had 42 Medicare Part D claims for 29 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Ian Desouza, MD's MIPS final score?
The 2023 MIPS final score is 93.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.