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ZARA NADIA ILAHI MD
NPI 1003303918
Pediatrics - Neonatal-Perinatal Medicine in Greenwich, CT

Active since April 16, 2018PECOS Enrolled
5 PERRYRIDGE RD, GREENWICH, CT 06830(203) 863-3000 Get Directions Write a Review

NPPES record last updated: June 10, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 10, 2024, Jul 20, 2021, Apr 16, 2018 (3 updates tracked since 2018).

About Zara Nadia Ilahi Md NPPES

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

ZARA NADIA ILAHI MD (NPI 1003303918) is an individual neonatal-perinatal medicine provider in Greenwich, Connecticut, licensed in Connecticut (68201) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in New Haven.

NPPES Registry Identity

NPI1003303918
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameZARA NADIA ILAHICredential: MD
Location Address5 PERRYRIDGE RDGreenwich, CT 06830-4608
Mailing Address84 Londonderry DrGreenwich, CT 06830-3536 · (203) 559-5175 · Fax (203) 637-1500
Phone(203) 863-3000
Sole ProprietorYes
Enumeration DateApril 16, 2018
Last NPPES UpdateJune 10, 20243 updates tracked since enumeration
NPPES CertifiedJune 10, 2024
✔ NPI 1003303918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in CT · 68201
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 68201 (CT)
5 PERRYRIDGE RD, Greenwich, CT 06830
Open in Google Maps ↗

Secondary Practice Location 1

Location 120 York StNew Haven, CT 06510-3220 · Phone (203) 688-4242

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Zara Nadia Ilahi 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 Reassignment

Medicare enrollment records show Zara Ilahi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yale University
41 mi
Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1124148887 (203) 737-5432

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.

MR. PAUL GREGORY LOFTUS MS
Physical Medicine & Rehabilitation
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3203
SARAH STAMPER M.D.
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD, MEDICAL EDUCATION
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3409
JUNE EVELYN JEON MD
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3000
ARIANA DOMINICUS PA-C
Physician Assistant
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3000
ERIC LI-MING HUANG BSC, PHARMD
Pharmacist (Pharmacotherapy)
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3199
ROSEMARY PERLEY-KWAUK CRNA
Nurse Anesthetist, Certified Registered
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 661-5330
DR. FRANCISCO J BREA MD
Anesthesiology
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 661-5330
ANNE YAN TING CHUA MBBS
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3409

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 Zara Ilahi's NPI number?

The NPI number for Zara Ilahi is 1003303918. It was assigned to this individual provider in the NPPES registry on April 16, 2018.

Where is Zara Ilahi located?

Zara Ilahi practices at 5 Perryridge Rd, Greenwich, CT 06830. The listed phone number is (203) 863-3000.

What is Zara Ilahi's specialty?

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

Is Zara Ilahi enrolled in Medicare?

Yes. Zara Ilahi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Zara Ilahi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zara Ilahi reassigns Medicare benefits to Yale University (New Haven, CT). 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 Zara Ilahi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zara Ilahi accept?

Health plans from Anthem Blue Cross and Blue Shield list Zara Ilahi 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 Zara Ilahi was last updated on June 10, 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.