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MORTIMER PONCZ M.D.
NPI 1558378638
Pediatrics - Pediatric Hematology-Oncology in Philadelphia, PA

Active since August 02, 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 Mortimer Poncz M.d. NPPES

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

MORTIMER PONCZ M.D. (NPI 1558378638) is an individual pediatric hematology-oncology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD019937E) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558378638
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameMORTIMER PONCZCredential: 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) 425-9232 · Fax (267) 425-9299
Phone(215) 590-3535
Fax(215) 590-3992
Sole ProprietorNo
Enumeration DateAugust 2, 2006
Last NPPES UpdateApril 15, 2013
✔ NPI 1558378638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in PA · MD019937E
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 MD019937E (PA)
3401 CIVIC CENTER BLVD, Philadelphia, PA 19104
Open in Google Maps ↗

Other Identifiers 4

Medicare UPINB36852
Medicare ID-Type Unspecified111163PA
Medicaid0245003NJ
Medicaid000858004PA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mortimer Poncz 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 Mortimer Poncz 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 Mortimer Poncz's NPI number?

The NPI number for Mortimer Poncz is 1558378638. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Mortimer Poncz located?

Mortimer Poncz 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 Mortimer Poncz's specialty?

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

Is Mortimer Poncz enrolled in Medicare?

Yes. Mortimer Poncz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mortimer Poncz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mortimer Poncz 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 Mortimer Poncz'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 Mortimer Poncz 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.