VANESSA MARIA CASTRO DIAZ MD
NPI 1821550328
Pediatrics - Neonatal-Perinatal Medicine in Bronx, NY
About Vanessa Maria Castro Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VANESSA MARIA CASTRO DIAZ MD (NPI 1821550328) is an individual neonatal-perinatal medicine provider in Bronx, New York, licensed in New York (317903) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Vanessa Maria Castro Diaz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Vanessa Castro Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bronx, NY 10457
- Reassigned Medicare billing, New York enrollment
- 795 clinicians in this Medicare group
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.
BRONX, NY 10457
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 Vanessa Castro Diaz's NPI number?
The NPI number for Vanessa Castro Diaz is 1821550328. It was assigned to this individual provider in the NPPES registry on April 3, 2019.
Where is Vanessa Castro Diaz located?
Vanessa Castro Diaz practices at 1650 Grand Concourse, Bronx, NY 10457. The listed phone number is (718) 239-8383.
What is Vanessa Castro Diaz's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Vanessa Castro Diaz enrolled in Medicare?
Yes. Vanessa Castro Diaz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Vanessa Castro Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vanessa Castro Diaz reassigns Medicare benefits to Bronxcare Health System (Bronx, NY). 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 Vanessa Castro Diaz'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 Vanessa Castro Diaz was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.