MARGARET LEE MD
NPI 1275534455
Pediatrics - Pediatric Hematology-Oncology in New York, NY
About Margaret Lee Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET LEE MD (NPI 1275534455) is an individual pediatric hematology-oncology provider in New York, New York, licensed in New York (212488) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Margaret Lee Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Margaret Lee reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 clinicians in this Medicare group
Bronx, NY 10452
- Reassigned Medicare billing, New York enrollment
- 1,615 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 623 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.
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 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
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 Margaret Lee's NPI number?
The NPI number for Margaret Lee is 1275534455. It was assigned to this individual provider in the NPPES registry on August 10, 2005.
Where is Margaret Lee located?
Margaret Lee practices at 161 Fort Washington Ave, New York, NY 10032. The listed phone number is (212) 305-2466.
What is Margaret Lee's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Margaret Lee enrolled in Medicare?
Yes. Margaret Lee is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Lee reassigns Medicare benefits to 3 organizations: Trustees Of Columbia University In The City Of New York (New York, NY), New York City Health And Hospitals Corporation (Bronx, NY) and Metropolitan Medical Practice Plan PC (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 Margaret Lee'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 Margaret Lee was last updated on May 14, 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.
# Margaret Lee, MD · NPI 1275534455
Pediatric Hematology-Oncology physician in New York, New York. Individual provider, active in the CMS NPPES registry since August 10, 2005.
## Identity
- **NPI:** 1275534455 (Entity type: Individual)
- **Enumerated:** August 10, 2005
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 212488 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 161 FORT WASHINGTON AVE, New York, NY 10032-3729
- **Phone:** (212) 305-2466 · **Fax:** (212) 305-8408
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY); New York City Health And Hospitals Corporation (NPI 1003824608, Bronx, NY); Metropolitan Medical Practice Plan PC (NPI 1306138383, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 14, 2024
- **Other identifiers:** Medicaid 01909411 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1275534455) · Data from the CMS NPPES public registry.