DR. ISLEY MARGUERITE ARRUDA MD
NPI 1932736105
Emergency Medicine in New York, NY
About Dr. Isley Marguerite Arruda Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ISLEY MARGUERITE ARRUDA MD (NPI 1932736105) is an individual emergency medicine provider in New York, New York, licensed in New York (329348) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of University Of South Carolina School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Isley Marguerite Arruda 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
6Medicare enrollment records show Isley Arruda reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 1,067 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 325 clinicians in this Medicare group
New York, NY 10024
- Reassigned Medicare billing, New York enrollment
- 245 clinicians in this Medicare group
New York, NY 10017
- Reassigned Medicare billing, New York enrollment
- 208 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 clinicians in this Medicare group
Eagle Butte, SD 57625
- Reassigned Medicare billing, Texas enrollment
- 282 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 2
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYNy Eye And Ear Infirmary Of Mount Sinai
Acute Care Hospitals · New York, NYMount Sinai Beth Israel
Acute Care Hospitals · New York, NYEagle Butte Indian Health Service Hospital
Critical Access Hospitals · Eagle Butte, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10029 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Isley Arruda's NPI number?
The NPI number for Isley Arruda is 1932736105. It was assigned to this individual provider in the NPPES registry on March 26, 2020.
Where is Isley Arruda located?
Isley Arruda practices at 1 Gustave L. Place #1149, New York, NY 10029. The listed phone number is (212) 824-8054.
What is Isley Arruda's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Isley Arruda enrolled in Medicare?
Yes. Isley Arruda 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 Isley Arruda's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isley Arruda reassigns Medicare benefits to 6 organizations: Fpa Hospital Based (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY), New York University (Boynton Beach, FL) and 1 more organization, listed in the Medicare section above. 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 Isley Arruda's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Isley Arruda affiliated with any hospitals?
According to CMS data, Isley Arruda is affiliated with Mount Sinai Hospital, Ny Eye And Ear Infirmary Of Mount Sinai, Mount Sinai Beth Israel and Eagle Butte Indian Health Service Hospital.
When was this NPI record last updated?
The NPPES record for Isley Arruda was last updated on July 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Isley Marguerite Arruda, MD · NPI 1932736105
Emergency Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 26, 2020.
## Identity
- **NPI:** 1932736105 (Entity type: Individual)
- **Enumerated:** March 26, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 329348 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 GUSTAVE L. PLACE, #1149, New York, NY 10029
- **Phone:** (212) 824-8054
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Fpa Hospital Based (NPI 1427398676, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1346908662, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1124392238, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1679083984, New York, NY); New York University (NPI 1285826438, Boynton Beach, FL); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Carolina School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 2, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1932736105) · Data from the CMS NPPES public registry.