DR. LESLIE S KERZNER MD
NPI 1932188034
Pediatrics - Neonatal-Perinatal Medicine in Boston, MA
About Dr. Leslie S Kerzner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LESLIE S KERZNER MD (NPI 1932188034) is an individual neonatal-perinatal medicine provider in Boston, Massachusetts, licensed in Massachusetts (204640) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Leslie S Kerzner Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Leslie Kerzner reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Nantucket, MA 02554
- Reassigned Medicare billing, Massachusetts enrollment
- 206 clinicians in this Medicare group
Nantucket, MA 02554
- Reassigned Medicare billing, Massachusetts enrollment
- 172 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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Kerzner's NPI number?
The NPI number for Leslie Kerzner is 1932188034. It was assigned to this individual provider in the NPPES registry on January 17, 2006.
Where is Leslie Kerzner located?
Leslie Kerzner practices at 55 Fruit St Mass. General Hospital Neonatal Intensive Care Unit, Boston, MA 02114. The listed phone number is (617) 724-0287.
What is Leslie Kerzner's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Leslie Kerzner enrolled in Medicare?
Yes. Leslie Kerzner is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Leslie Kerzner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Kerzner reassigns Medicare benefits to 4 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Nantucket Cottage Hospital (Nantucket, MA) and Nantucket Physicians Organization (Nantucket, 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 Kerzner'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 Leslie Kerzner was last updated on July 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Leslie S Kerzner, MD · NPI 1932188034
Neonatal-Perinatal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since January 17, 2006.
## Identity
- **NPI:** 1932188034 (Entity type: Individual)
- **Enumerated:** January 17, 2006
- **Primary specialty:** Pediatrics - Neonatal-Perinatal Medicine · taxonomy 2080N0001X
- **State license:** 204640 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, MASS. GENERAL HOSPITAL NEONATAL INTENSIVE CARE UNIT, Boston, MA 02114-2696
- **Phone:** (617) 724-0287
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Nantucket Cottage Hospital (NPI 1447214622, Nantucket, MA); Nantucket Physicians Organization (NPI 1568798510, Nantucket, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 16, 2007
- **Other identifiers:** Medicare ID-Type Unspecified A32406 (MA); Medicaid 0126969 (MA); Other J23887 (MA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1932188034) · Data from the CMS NPPES public registry.