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DR. MARY ELIAS IWASZEWSKI DO
NPI 1245487966
Pediatrics - Neonatal-Perinatal Medicine in Greenville, NC

Active since August 25, 2008PECOS Enrolled
2100 STANTONSBURG RD, GREENVILLE, NC 27834(818) 482-1262 Get Directions Write a Review

NPPES record last updated: April 28, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 21, 2020, Apr 6, 2020 (2 updates tracked since 2020).

About Dr. Mary Elias Iwaszewski Do NPPES

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

DR. MARY ELIAS IWASZEWSKI DO (NPI 1245487966) is an individual neonatal-perinatal medicine provider in Greenville, North Carolina, licensed in North Carolina (202301498) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Long Beach.

NPPES Registry Identity

NPI1245487966
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameDR. MARY ELIAS IWASZEWSKICredential: DO
Location Address2100 STANTONSBURG RDGreenville, NC 27834-2818
Mailing Address2100 Stantonsburg RdGreenville, NC 27834-2818 · (252) 744-2892 · Fax (252) 744-5803
Phone(818) 482-1262
Sole ProprietorNo
Enumeration DateAugust 25, 2008
Last NPPES UpdateApril 28, 20252 updates tracked since enumeration
NPPES CertifiedApril 28, 2025
✔ NPI 1245487966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in NC · 202301498
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License 202301498 (NC)
Also ListedNurse Anesthetist, Certified RegisteredTaxonomy 367500000X · License 639041 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2100 STANTONSBURG RD, Greenville, NC 27834
Open in Google Maps ↗

Other Names 1

Other Name (5)Mary Elias Iwaszewski Crna

Secondary Practice Location 1

Location 15901 E 7th StLong Beach, CA 90822-5201 · Phone (818) 482-1262

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, Cigna Healthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Elias Iwaszewski Do 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 Reassignments

3

Medicare enrollment records show Mary Iwaszewski reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Vidant Medical Group LLC
Same address
Multi-Specialty
2100 STANTONSBURG RD
Greenville, NC 27834
  • Reassigned Medicare billing, North Carolina enrollment
  • 1,653 clinicians in this Medicare group
NPI 1477648731 (252) 847-2181
Duke University Health System, Inc.
70 mi
Internal Medicine
3400 WAKE FOREST RD
Raleigh, NC 27609
  • Reassigned Medicare billing, North Carolina enrollment
  • 1,482 clinicians in this Medicare group
NPI 1477584894 (919) 954-3271
Duke Health Integrated Practice, Inc
70 mi
Gastroenterology
3480 WAKE FOREST RD STE 500
Raleigh, NC 27609
  • Reassigned Medicare billing, North Carolina enrollment
  • 3,671 clinicians in this Medicare group
NPI 1780374884 (919) 862-5075

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.

DR. STEPHEN ERIC GREGG M.D.
Student in an Organized Health Care Education/Training Program
2100 STANTONSBURG RD
GREENVILLE, NC 27834
Pitt County (252) 744-5262
DR. TYLER RICHARD FLEMING MD
Student in an Organized Health Care Education/Training Program
2100 STANTONSBURG RD
GREENVILLE, NC 27834
Pitt County (252) 847-4100
MARY CLAIRE CRON PA-C
Physician Assistant
2100 STANTONSBURG RD
GREENVILLE, NC 27834
Pitt County (252) 816-2273
JASMINE SHA'DEY HOLMES MD
Emergency Medicine (Sports Medicine)
2100 STANTONSBURG RD
GREENVILLE, NC 27834
Pitt County (252) 847-4100
DR. SETH TYLER SCHIPINSKI DO
Student in an Organized Health Care Education/Training Program
2100 STANTONSBURG RD
GREENVILLE, NC 27834
Pitt County (252) 744-4611
BRIANNAE THEODORE
Student in an Organized Health Care Education/Training Program
2100 STANTONSBURG RD
GREENVILLE, NC 27834
Pitt County (252) 744-3229
SHELLEY ELIZABETH MATTHEWS
Student in an Organized Health Care Education/Training Program
2100 STANTONSBURG RD
GREENVILLE, NC 27834
Pitt County (910) 298-3125
LEONARDO JOSE DIAZ GANDICA MD
Student in an Organized Health Care Education/Training Program
2100 STANTONSBURG RD
GREENVILLE, NC 27834
Pitt County (252) 744-5291

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 Mary Iwaszewski's NPI number?

The NPI number for Mary Iwaszewski is 1245487966. It was assigned to this individual provider in the NPPES registry on August 25, 2008. The provider is also known as Mary Elias Iwaszewski Crna.

Where is Mary Iwaszewski located?

Mary Iwaszewski practices at 2100 Stantonsburg Rd, Greenville, NC 27834. The listed phone number is (818) 482-1262.

What is Mary Iwaszewski's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Mary Iwaszewski enrolled in Medicare?

Yes. Mary Iwaszewski is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Iwaszewski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Iwaszewski reassigns Medicare benefits to 3 organizations: Vidant Medical Group LLC (Greenville, NC), Duke University Health System, Inc. (Raleigh, NC) and Duke Health Integrated Practice, Inc (Raleigh, NC). 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 Mary Iwaszewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Iwaszewski accept?

Health plans from Blue Cross and Blue Shield of NC and Cigna Healthcare list Mary Iwaszewski 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.

When was this NPI record last updated?

The NPPES record for Mary Iwaszewski was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.