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DR. HEATHER EMILIA CROY MD
NPI 1932669736
Pediatrics - Neonatal-Perinatal Medicine in Wilmington, DE

Active since March 20, 2019PECOS Enrolled
1600 ROCKLAND RD, WILMINGTON, DE 19803(302) 651-4200(302) 651-4945 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 15, 2026, Jul 6, 2023, Mar 20, 2019 (3 updates tracked since 2019).

About Dr. Heather Emilia Croy Md NPPES

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

DR. HEATHER EMILIA CROY MD (NPI 1932669736) is an individual neonatal-perinatal medicine provider in Wilmington, Delaware, licensed in Delaware (C1-0029708) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1932669736
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameDR. HEATHER EMILIA CROYCredential: MD
Location Address1600 ROCKLAND RDWilmington, DE 19803-3607
Mailing AddressPo Box 191Rockland, DE 19732-0191 · (302) 651-4200 · Fax (302) 651-4945
Phone(302) 651-4200
Fax(302) 651-4945
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 20, 2019
Last NPPES UpdateJuly 15, 20263 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1932669736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in DE · C1-0029708
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.
1600 ROCKLAND RD, Wilmington, DE 19803
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield Delaware.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. Heather Emilia Croy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9133577430
PECOS Enrollment IDI20260717002442
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 Heather Croy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Nemours Foundation
Same address
Multi-Specialty
1600 ROCKLAND RD
Wilmington, DE 19803
  • Reassigned Medicare billing, Delaware enrollment
  • 526 clinicians in this Medicare group
NPI 1366594699 (302) 651-4000

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.

JOANNA COSTA MD
Pediatrics (Neonatal-Perinatal Medicine)
1600 ROCKLAND RD
WILMINGTON, DE 19803
New Castle County (302) 651-5795
LAURA MARIE KISZKIEL MD
Obstetrics & Gynecology
1600 ROCKLAND RD
WILMINGTON, DE 19803
New Castle County (302) 651-4200
ALLYSON JANE MENARD SLP
Speech-Language Pathologist
1600 ROCKLAND RD
WILMINGTON, DE 19803
New Castle County (302) 651-4200
SALWA ELIZABETH SULIEMAN D.O.
Pediatrics (Pediatric Infectious Diseases)
1600 ROCKLAND RD
WILMINGTON, DE 19803
New Castle County (302) 651-4200
DR. WAYNE S MOORE II PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1600 ROCKLAND RD
WILMINGTON, DE 19803
New Castle County (302) 651-5700
DR. LAUREN ASHLEY MAY M.D.
Radiology (Pediatric Radiology)
1600 ROCKLAND RD
WILMINGTON, DE 19803
New Castle County (302) 651-4200
DR. MARY IAMPIETRO PH.D.
Psychologist (Clinical Child & Adolescent)
1600 ROCKLAND RD
WILMINGTON, DE 19803
New Castle County (302) 651-4200
KATHERINE HARRIGAN
Nurse Practitioner
1600 ROCKLAND RD
WILMINGTON, DE 19803
New Castle County (302) 651-4200

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 Heather Croy's NPI number?

The NPI number for Heather Croy is 1932669736. It was assigned to this individual provider in the NPPES registry on March 20, 2019.

Where is Heather Croy located?

Heather Croy practices at 1600 Rockland Rd, Wilmington, DE 19803. The listed phone number is (302) 651-4200.

What is Heather Croy's specialty?

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

Is Heather Croy enrolled in Medicare?

Yes. Heather Croy is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Heather Croy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heather Croy reassigns Medicare benefits to The Nemours Foundation (Wilmington, DE). 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 Heather Croy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Heather Croy accept?

Health plans from Highmark Blue Cross Blue Shield Delaware list Heather Croy 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 Heather Croy was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.