DR. ALEKSANDRA WALASEK MD
NPI 1487275665
Urology in New York, NY
About Dr. Aleksandra Walasek Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEKSANDRA WALASEK MD (NPI 1487275665) is an individual urology provider in New York, New York, licensed in New York (33654401) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
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. Aleksandra Walasek 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 Aleksandra Walasek reassigns Medicare billing to 2 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
- 74 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10003 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
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 Aleksandra Walasek's NPI number?
The NPI number for Aleksandra Walasek is 1487275665. It was assigned to this individual provider in the NPPES registry on April 29, 2020.
Where is Aleksandra Walasek located?
Aleksandra Walasek practices at 10 Union Sq E Ste 3A, New York, NY 10003. The listed phone number is (212) 844-8900.
What is Aleksandra Walasek's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Aleksandra Walasek enrolled in Medicare?
Yes. Aleksandra Walasek 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 Aleksandra Walasek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aleksandra Walasek reassigns Medicare benefits to 2 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY) and New York University (Boynton Beach, FL). 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 Aleksandra Walasek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Aleksandra Walasek affiliated with any hospitals?
According to CMS data, Aleksandra Walasek is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Aleksandra Walasek was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Aleksandra Walasek, MD · NPI 1487275665
Urology physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 29, 2020.
## Identity
- **NPI:** 1487275665 (Entity type: Individual)
- **Enumerated:** April 29, 2020
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** 33654401 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10 UNION SQ E STE 3A, New York, NY 10003-3314
- **Phone:** (212) 844-8900
## 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): Icahn School Of Medicine At Mount Sinai (NPI 1750647152, New York, NY); New York University (NPI 1285826438, Boynton Beach, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** May 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1487275665) · Data from the CMS NPPES public registry.