DR. ALEXIS KRISTINE LEONARD MD
NPI 1821356478
Pediatrics - Pediatric Hematology-Oncology in Memphis, TN
About Dr. Alexis Kristine Leonard Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXIS KRISTINE LEONARD MD (NPI 1821356478) is an individual pediatric hematology-oncology provider in Memphis, Tennessee, licensed in Tennessee (67194) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Alexis Kristine Leonard Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexis Leonard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Memphis, TN 38105
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: St Jude Childrens Research Hospital Inc
- 367 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.
MEMPHIS, TN 38105
MEMPHIS, TN 38105
MEMPHIS, TN 38105
MEMPHIS, TN 38105
MEMPHIS, TN 38105
MEMPHIS, TN 38105
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 Alexis Leonard's NPI number?
The NPI number for Alexis Leonard is 1821356478. It was assigned to this individual provider in the NPPES registry on May 1, 2012.
Where is Alexis Leonard located?
Alexis Leonard practices at 262 Danny Thomas Pl, Memphis, TN 38105. The listed phone number is (888) 226-4343.
What is Alexis Leonard's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Alexis Leonard enrolled in Medicare?
Yes. Alexis Leonard is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexis Leonard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexis Leonard reassigns Medicare benefits to St Jude Children's Research Hospital, Inc. (Memphis, TN). 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 Alexis Leonard'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 Alexis Leonard was last updated on April 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Alexis Kristine Leonard, MD · NPI 1821356478
Pediatric Hematology-Oncology physician in Memphis, Tennessee. Individual provider, active in the CMS NPPES registry since May 1, 2012.
## Identity
- **NPI:** 1821356478 (Entity type: Individual)
- **Enumerated:** May 1, 2012
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 67194 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 262 DANNY THOMAS PL, Memphis, TN 38105-3678
- **Phone:** (888) 226-4343
## 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:** St Jude Children's Research Hospital, Inc. (NPI 1306335088, Memphis, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 19, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1821356478) · Data from the CMS NPPES public registry.