SHANNON LELAND MD
NPI 1295121283
Pediatrics - Pediatric Critical Care Medicine in Boston, MA
About Shannon Leland Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHANNON LELAND MD (NPI 1295121283) is an individual pediatric critical care medicine provider in Boston, Massachusetts, licensed in Massachusetts (286109) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Shannon Leland Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Shannon Leland reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 1,358 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 220 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 101 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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Shannon Leland's NPI number?
The NPI number for Shannon Leland is 1295121283. It was assigned to this individual provider in the NPPES registry on April 7, 2015. The provider is also known as Shannon Byler MD.
Where is Shannon Leland located?
Shannon Leland practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Shannon Leland's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Shannon Leland enrolled in Medicare?
Yes. Shannon Leland is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Shannon Leland's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Leland reassigns Medicare benefits to 3 organizations: Children's Hospital Pediatric Associates, Inc (Boston, MA), Boston Childrens Heart Foundation Inc (Boston, MA) and Chmc Anesthesia Foundation Inc (Boston, MA). 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 Shannon Leland'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 Shannon Leland was last updated on May 2, 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.