Isley Marguerite Arruda, MD
Emergency Medicine Physician · New York, NY
Isley Marguerite Arruda, MD is an emergency medicine physician with a practice address in New York, New York, and NPI 1932736105, issued on Mar 26, 2020. Check the license (New York 329348, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Isley Marguerite Arruda
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 329348 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Gustave L. Place, New York, NY 10029
- Phone
- (212) 824-8054
- Enumerated
- Mar 26, 2020
- Record last updated
- Jul 2, 2024
- Medicare enrollment
- Enrolled (PECOS I20240607001029); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 1 Gustave L. Place
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Varun KatdareEmergency Medicine Physician1679967525
- Hayley Neher, MDEmergency Medicine Physician1447605183
- Morgan Potter, MDSports Medicine (Emergency Medicine) Physician1629607437
Verify Isley Marguerite Arruda 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 329348Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average emergency medicine physician in 2024
35 Medicare Part D claims for 28 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.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiLong Island City, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isley Marguerite Arruda among 5,025 emergency medicine physician records in New York
Isley Marguerite Arruda, 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 2020, is newer than 83% of them.
- NPI issued2020 · 83% of these records are older, 12% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2020 · median 2013 among the 3,232 with a school on file
- Record last updated2024 · 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).
1,075 emergency medicine physician records list a practice address in New York
They are 1,075 of the 98,468 NPPES records with a practice address in New York, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in New York → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
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- Jessica Freedman, MDNy, NY 100291538137583
- Luke HermannNew York, NY 100291457326274
- Andy Jagoda, MDNew York, NY 100291669449690
- Bret Nelson, MDNew York, NY 100291255309407
- Thomas Nguyen, MDNew York, NY 100291679549265
- Ruben Olmedo, MDNew York, NY 100291831164680
Common questions
What is Isley Marguerite Arruda, MD's NPI number?
Isley Marguerite Arruda, MD's National Provider Identifier (NPI) is 1932736105, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Isley Marguerite Arruda, MD located?
The NPPES record lists a practice address at 1 Gustave L. Place, New York, NY, 10029. Phone: (212) 824-8054. Providers update this record themselves, so call before visiting.
How can I verify Isley Marguerite Arruda, MD's license?
NPPES lists New York license number 329348, 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 Isley Marguerite Arruda, MD prescribe under Medicare Part D?
In 2024, Isley Marguerite Arruda, MD had 35 Medicare Part D claims for 28 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.