LESLIE BILELLO
NPI 1053754226
Emergency Medicine in Boston, MA
About Leslie Bilello NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LESLIE BILELLO (NPI 1053754226) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (265486) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Georgetown University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Leslie Bilello is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Leslie Bilello reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1952358533 (Massachusetts)
- 1,006 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1316987993 (Massachusetts)
- 2,579 clinicians in this Medicare group
Milton, MA 02186
- Reassigned Medicare billing, Massachusetts enrollment
- 177 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.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Auburn Hospital
Acute Care Hospitals · Cambridge, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
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 Leslie Bilello's NPI number?
The NPI number for Leslie Bilello is 1053754226. It was assigned to this individual provider in the NPPES registry on April 8, 2013.
Where is Leslie Bilello located?
Leslie Bilello practices at 1 Deaconess Rd, Boston, MA 02215. The listed phone number is (617) 667-7000.
What is Leslie Bilello's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Leslie Bilello enrolled in Medicare?
Yes. Leslie Bilello is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Leslie Bilello's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Bilello reassigns Medicare benefits to 4 organizations: Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA) and Bid-Milton Physician Associates Inc (Milton, 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 Leslie Bilello's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leslie Bilello accept?
Health plans from Taro Health list Leslie Bilello as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Leslie Bilello affiliated with any hospitals?
According to CMS data, Leslie Bilello is affiliated with Mount Auburn Hospital.
When was this NPI record last updated?
The NPPES record for Leslie Bilello was last updated on March 1, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.