HANNAH LEAH SOWALSKY
NPI 1396447967
Internal Medicine in Scarsdale, NY
About Hannah Leah Sowalsky NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HANNAH LEAH SOWALSKY (NPI 1396447967) is an individual internal medicine provider in Scarsdale, New York, licensed in New York (341144) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of New York Medical College (2023).
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 (PECOS)
Hannah Leah Sowalsky is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Hannah Sowalsky reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
New York, NY 10017
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: One Medical Of Ny PC
- 139 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10583 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 8
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 Hannah Sowalsky's NPI number?
The NPI number for Hannah Sowalsky is 1396447967. It was assigned to this individual provider in the NPPES registry on March 20, 2023.
Where is Hannah Sowalsky located?
Hannah Sowalsky practices at 680 White Plains Rd, Scarsdale, NY 10583. The listed phone number is (888) 663-6331.
What is Hannah Sowalsky's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hannah Sowalsky enrolled in Medicare?
Yes. Hannah Sowalsky is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Hannah Sowalsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Sowalsky reassigns Medicare benefits to 2 organizations: Montefiore Medical Center (Bronx, NY) and One Medical Of Ny, P.C. (New York, NY). 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 Hannah Sowalsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Hannah Sowalsky was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.