CATHERINE O'NEILL BUCK MD
NPI 1437425402
Pediatrics - Neonatal-Perinatal Medicine in New Haven, CT

Q: What is the provider's specialty?

The provider's specialty is Pediatrics with taxonomy code 2080N0001X and a focus in Neonatal-Perinatal Medicine.

Active since March 23, 2012PECOS Enrolled

1 PARK ST, NEW HAVEN, CT 06504(401) 274-1122 Get Directions Write a Review

NPPES record last updated: April 29, 2019. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Catherine O'neill Buck Md NPPES

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

CATHERINE O'NEILL BUCK MD (NPI 1437425402) is an individual neonatal-perinatal medicine provider in New Haven, Connecticut, licensed in Connecticut (62689) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437425402

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameCATHERINE O'NEILL BUCKCredential: MD

Location Address1 PARK STNew Haven, CT 06504-8901

Mailing Address1 Park StNew Haven, CT 06504-8901 · (203) 785-4081

Phone(401) 274-1122

Sole ProprietorNo

Enumeration DateMarch 23, 2012

Last NPPES UpdateApril 29, 2019

✔ NPI 1437425402 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 · 62689

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 MD15391 (RI), Q0881 (TX)

1 PARK ST, New Haven, CT 06504

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Other Names 1

Former Name (1)Catherine Elizabeth O'neill Md

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Catherine O'neill Buck 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.