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LESLIE SEGAL KERSUN M.D.
NPI 1891717989
Pediatrics - Pediatric Hematology-Oncology in Philadelphia, PA

Active since July 24, 2006PECOS Enrolled
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - HEM/ONC, PHILADELPHIA, PA 19104(215) 590-3535(215) 590-3992 Get Directions Write a Review

NPPES record last updated: April 15, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Leslie Segal Kersun M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LESLIE SEGAL KERSUN M.D. (NPI 1891717989) is an individual pediatric hematology-oncology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD065225L) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891717989
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameLESLIE SEGAL KERSUNCredential: M.D.
Location Address3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - HEM/ONCPhiladelphia, PA 19104-4319
Mailing Address100 E Penn Sq, 9th FloorPhiladelphia, PA 19107-3323 · (267) 425-9234 · Fax (267) 425-9299
Phone(215) 590-3535
Fax(215) 590-3992
Sole ProprietorNo
Enumeration DateJuly 24, 2006
Last NPPES UpdateApril 15, 2013
✔ NPI 1891717989 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in PA · MD065225L
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License MD065225L (PA)
Also ListedPediatrics · Pediatric Emergency MedicineTaxonomy 2080P0204X · License MD065225L (PA)
3401 CIVIC CENTER BLVD, Philadelphia, PA 19104
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Other Names 1

Former Name (1)Leslie B Segal

Other Identifiers 4

Medicaid001738664PA
Medicaid7923007NJ
Medicare UPING87991
Medicare ID-Type Unspecified024601PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leslie Segal Kersun M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Leslie Kersun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Childrens Health Care Associates, Inc
Same address
Neurology
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
Philadelphia, PA 19104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,225 clinicians in this Medicare group
NPI 1033204086 (215) 590-1000

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.

AARON DORFMAN M.D.
Pediatrics (Pediatric Cardiology)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - CARDIOLOGY
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-4040
MS. NICOLE MARIE KOEPKE CRNP
Nurse Practitioner (Pediatrics)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - EMERGENCY MED
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1944
DR. CASSANDRA ALYS LIGH MD
Surgery (Plastic and Reconstructive Surgery)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-2208
DR. PREETI SOI
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-7555
ROSALIND USHER M.D.
Pediatrics (Developmental - Behavioral Pediatrics)
3401 CIVIC CENTER BLVD, DIVISION OF DEVELOPMENTAL AND BEHAVIORAL PEDIATRICS
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-6336
DR. MATTHEW DAVID SCHREIER MD
Pediatrics (Pediatric Cardiology)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1000
DR. TERRENCE CALDWELL JR. PHARMD
Pharmacist (Pediatrics)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1000
ALYSSA STIEFEL CRNP
Nurse Practitioner (Pediatrics)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1000

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 Kersun's NPI number?

The NPI number for Leslie Kersun is 1891717989. It was assigned to this individual provider in the NPPES registry on July 24, 2006. The provider is also known as Leslie B Segal.

Where is Leslie Kersun located?

Leslie Kersun practices at 3401 Civic Center Blvd Children's Hospital Of Philadelphia - Hem/Onc, Philadelphia, PA 19104. The listed phone number is (215) 590-3535.

What is Leslie Kersun's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Leslie Kersun enrolled in Medicare?

Yes. Leslie Kersun is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Leslie Kersun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Kersun reassigns Medicare benefits to Childrens Health Care Associates, Inc (Philadelphia, PA). 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 Leslie Kersun'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 Kersun was last updated on April 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.