Catherine Buck MD
Also known as
- Formerly known asO'neill, Catherine Elizabeth
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1437425402 is registered to Catherine Buck MD, a Neonatal-Perinatal Medicine Physician practising at 1 Park St in New Haven, Connecticut. Neonatal-Perinatal Medicine Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Catherine Buck MD has been enumerated in the National Provider Identifier (NPI) registry since 2012.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20190606000574Pediatric MedicineCT
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Catherine Buck MD accepts. To confirm in-network status with your specific health plan, contact Catherine Buck MD directly at (401) 274-1122.
Frequently asked
Yes. NPI 1437425402 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Neonatal-Perinatal Medicine Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (401) 274-1122.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Catherine Buck MD is a Type-1 individual NPI.