DR. IGNACIO JOSE CONTRERAS MD
NPI 1851896625
Pediatrics - Neonatal-Perinatal Medicine in Flushing, NY
About Dr. Ignacio Jose Contreras Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IGNACIO JOSE CONTRERAS MD (NPI 1851896625) is an individual neonatal-perinatal medicine provider in Flushing, New York, licensed in New York (309765-01) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ignacio Jose Contreras Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Ignacio Contreras reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Flushing, NY 11355
- Reassigned Medicare billing, New York enrollment
- 327 clinicians in this Medicare group
Jamaica, NY 11418
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Tjh Medical Services PC
- 497 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 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.
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 Ignacio Contreras's NPI number?
The NPI number for Ignacio Contreras is 1851896625. It was assigned to this individual provider in the NPPES registry on March 26, 2018.
Where is Ignacio Contreras located?
Ignacio Contreras practices at 4500 Parsons Blvd Rm 420, Flushing, NY 11355. The listed phone number is (718) 670-3130.
What is Ignacio Contreras's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Ignacio Contreras enrolled in Medicare?
Yes. Ignacio Contreras is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ignacio Contreras's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ignacio Contreras reassigns Medicare benefits to 3 organizations: Flushing Hospital & Medical Center (Flushing, NY), Tjh Medical Services, P.C. (Jamaica, NY) and Physician Affiliate Group Of New York PC (New York, NY). 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 Ignacio Contreras'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 Ignacio Contreras was last updated on July 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.