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DR. EWELINA K MAMCARZ MD
NPI 1497949218
Pediatrics - Pediatric Hematology-Oncology in Memphis, TN

Active since September 05, 2007PECOS Enrolled
262 DANNY THOMAS PL, MEMPHIS, TN 38105(901) 595-3300(901) 595-3842 Get Directions Write a Review

NPPES record last updated: January 17, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ewelina K Mamcarz Md NPPES

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

DR. EWELINA K MAMCARZ MD (NPI 1497949218) is an individual pediatric hematology-oncology provider in Memphis, Tennessee, licensed in Tennessee (51692) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497949218
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameDR. EWELINA K MAMCARZCredential: MD
Location Address262 DANNY THOMAS PLMemphis, TN 38105-3678
Mailing Address262 Danny Thomas PlMemphis, TN 38105-3678 · (901) 595-3300 · Fax (901) 595-3842
Phone(901) 595-3300
Fax(901) 595-3842
Sole ProprietorNo
Enumeration DateSeptember 5, 2007
Last NPPES UpdateJanuary 17, 2017
✔ NPI 1497949218 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 TN · 51692
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
262 DANNY THOMAS PL, Memphis, TN 38105
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ewelina K Mamcarz Md 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 Ewelina Mamcarz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St Jude Children's Research Hospital, Inc.
0.3 mi
Pediatrics
262 DANNY THOMAS PL
Memphis, TN 38105
  • Reassigned Medicare billing, Tennessee enrollment
  • Medicare enrollment name: St Jude Childrens Research Hospital Inc
  • 367 clinicians in this Medicare group
NPI 1306335088 (901) 595-3300

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.

MISS JENNIFER ELAINE ROEMER CPNP-AC
Nurse Practitioner (Pediatrics)
262 DANNY THOMAS PL
MEMPHIS, TN 38105
Shelby County (901) 595-3300
MR. ALBERTO S. PAPPO M.D.
Pediatrics (Pediatric Hematology-Oncology)
262 DANNY THOMAS PL
MEMPHIS, TN 38105
Shelby County (901) 595-6765
MS. HEATHER MARIE CONKLIN PHD
Psychologist (Clinical)
262 DANNY THOMAS PL
MEMPHIS, TN 38105
Shelby County (901) 595-3006
ALYSSA COTTON
Nurse Practitioner (Family)
262 DANNY THOMAS PL
MEMPHIS, TN 38105
Shelby County (901) 595-3300
ARMITA BAHRAMI MD
Pathology (Anatomic Pathology & Clinical Pathology)
262 DANNY THOMAS PL
MEMPHIS, TN 38105
Shelby County (901) 595-3300
DR. SEAN PHIPPS PH.D.
Psychologist (Clinical Child & Adolescent)
262 DANNY THOMAS PL
MEMPHIS, TN 38105
Shelby County (901) 595-3006
WENDY BOURLAND D.O.
Pediatrics (Pediatric Hematology-Oncology)
262 DANNY THOMAS PL, MAILSTOP 260
MEMPHIS, TN 38105
Shelby County (901) 595-3300
JAMES MICHAEL BURGESS DNP, MBA, RN
Clinical Nurse Specialist (Oncology, Pediatrics)
262 DANNY THOMAS PL
MEMPHIS, TN 38105
Shelby County (901) 595-3300

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 Ewelina Mamcarz's NPI number?

The NPI number for Ewelina Mamcarz is 1497949218. It was assigned to this individual provider in the NPPES registry on September 5, 2007.

Where is Ewelina Mamcarz located?

Ewelina Mamcarz practices at 262 Danny Thomas Pl, Memphis, TN 38105. The listed phone number is (901) 595-3300.

What is Ewelina Mamcarz's specialty?

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

Is Ewelina Mamcarz enrolled in Medicare?

Yes. Ewelina Mamcarz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ewelina Mamcarz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ewelina Mamcarz reassigns Medicare benefits to St Jude Children's Research Hospital, Inc. (Memphis, TN). 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 Ewelina Mamcarz'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 Ewelina Mamcarz was last updated on January 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.