ARIEL LEWIS MD
NPI 1801415559
Radiology - Diagnostic Radiology in New York, NY
About Ariel Lewis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARIEL LEWIS MD (NPI 1801415559) is an individual diagnostic radiology provider in New York, New York, licensed in New York (333016) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of Other.
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
Ariel Lewis 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 Ariel Lewis 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
Yonkers, NY 10701
- Reassigned Medicare billing, New York enrollment
- 73 clinicians in this Medicare group
Staten Island, NY 10310
- Reassigned Medicare billing, New York enrollment
- 66 clinicians in this Medicare group
Mineola, NY 11501
- Reassigned Medicare billing, New York enrollment
- 31 clinicians in this Medicare group
Oceanside, NY 11572
- Reassigned Medicare billing, New York enrollment
- 23 clinicians in this Medicare group
Wantagh, NY 11793
- Reassigned Medicare billing, New York enrollment
- 572 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYMount Sinai South Nassau
Acute Care Hospitals · Oceanside, NYPhysician 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
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 Ariel Lewis's NPI number?
The NPI number for Ariel Lewis is 1801415559. It was assigned to this individual provider in the NPPES registry on April 13, 2020.
Where is Ariel Lewis located?
Ariel Lewis practices at 1 Gustave L Levy Pl, New York, NY 10029. The listed phone number is (718) 938-8429.
What is Ariel Lewis's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Ariel Lewis enrolled in Medicare?
Yes. Ariel Lewis 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 Ariel Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ariel Lewis reassigns Medicare benefits to 6 organizations: Fpa Hospital Based (New York, NY), Mount Sinai School Of Medicine Of New York University (Yonkers, NY), Icahn School Of Medicine At Mount Sinai (Staten Island, NY), Icahn School Of Medicine At Mount Sinai (Mineola, NY), Icahn School Of Medicine At Mount Sinai (Oceanside, NY) 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 Ariel Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ariel Lewis affiliated with any hospitals?
According to CMS data, Ariel Lewis is affiliated with Mount Sinai Hospital and Mount Sinai South Nassau.
When was this NPI record last updated?
The NPPES record for Ariel Lewis was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# Ariel Lewis, MD · NPI 1801415559
Diagnostic Radiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 13, 2020.
## Identity
- **NPI:** 1801415559 (Entity type: Individual)
- **Enumerated:** April 13, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 333016 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 GUSTAVE L LEVY PL, New York, NY 10029-6504
- **Phone:** (718) 938-8429
## 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 1629319413, New York, NY); Mount Sinai School Of Medicine Of New York University (NPI 1336878651, Yonkers, NY); Icahn School Of Medicine At Mount Sinai (NPI 1861900888, Staten Island, NY); Icahn School Of Medicine At Mount Sinai (NPI 1487016507, Mineola, NY); Icahn School Of Medicine At Mount Sinai (NPI 1477177400, Oceanside, NY); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other
## Record status
- **NPPES last updated:** December 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1801415559) · Data from the CMS NPPES public registry.