DR. IGNACIO JOSE CONTRERAS MD
NPI 1851896625
Pediatrics - Neonatal-Perinatal Medicine in Flushing, NY

Active since March 26, 2018PECOS Enrolled
4500 PARSONS BLVD RM 420, FLUSHING, NY 11355(718) 670-3130(718) 670-3031 Get Directions Write a Review

NPPES record last updated: July 25, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 25, 2024, Jul 9, 2024, Jun 3, 2024 and 1 more (4 updates tracked since 2018).

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

NPI1851896625
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameDR. IGNACIO JOSE CONTRERASCredential: MD
Location Address4500 PARSONS BLVD RM 420Flushing, NY 11355-2205
Mailing Address4500 Parsons Blvd Rm 420Flushing, NY 11355-2205 · (718) 670-3130 · Fax (718) 670-3031
Fax(718) 670-3031
Sole ProprietorNo
Enumeration DateMarch 26, 2018
Last NPPES UpdateJuly 25, 20244 updates tracked since enumeration
NPPES CertifiedJuly 25, 2024
✔ NPI 1851896625 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 NY · 309765-01
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.
4500 PARSONS BLVD RM 420, Flushing, NY 11355

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).

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 Ignacio Contreras reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
4500 PARSONS BLVD
Flushing, NY 11355
  • Reassigned Medicare billing, New York enrollment
  • 327 clinicians in this Medicare group
Internal Medicine
8906 135TH ST
Jamaica, NY 11418
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Tjh Medical Services PC
  • 497 clinicians in this Medicare group
Dietitian, Registered
506 LENOX AVE
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.