LEAH LOUISA THOMPSON MD (05/27/21)
NPI 1053999714
Radiology - Radiation Oncology in New York, NY
About Leah Louisa Thompson Md (05/27/21) NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEAH LOUISA THOMPSON MD (05/27/21) (NPI 1053999714) is an individual radiation oncology provider in New York, New York, licensed in New York (344212) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Leah Louisa Thompson Md (05/27/21) is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Leah Thompson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10035
- Reassigned Medicare billing, New York enrollment
- 87 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 10035 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 5
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 Leah Thompson's NPI number?
The NPI number for Leah Thompson is 1053999714. It was assigned to this individual provider in the NPPES registry on April 1, 2021.
Where is Leah Thompson located?
Leah Thompson practices at 225 E 126th St, New York, NY 10035. The listed phone number is (833) 697-7686.
What is Leah Thompson's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Leah Thompson enrolled in Medicare?
Yes. Leah Thompson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Leah Thompson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Thompson reassigns Medicare benefits to The New York Proton Center (New York, NY). The 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 Leah Thompson'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 Leah Thompson was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Leah Louisa Thompson, MD (05/27/21) · NPI 1053999714
Radiation Oncology physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 1, 2021.
## Identity
- **NPI:** 1053999714 (Entity type: Individual)
- **Enumerated:** April 1, 2021
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** 344212 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 225 E 126TH ST, New York, NY 10035-1406
- **Phone:** (833) 697-7686
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The New York Proton Center (NPI 1609363670, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1053999714) · Data from the CMS NPPES public registry.