Catherine Syfert Aa
About this NPIWhat this record shows.
NPI 1659177038 is registered to Catherine Syfert Aa, a Anesthesiologist Assistant practising at 1305 Walt Whitman Rd Ste 300 in Melville, New York. Anesthesiologist Assistant is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Catherine Syfert Aa has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 5 Anesthesiologist Assistant providers on file in New York.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
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
- I20250826003145Anesthesiology AssistantTX
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 Syfert Aa accepts. To confirm in-network status with your specific health plan, contact Catherine Syfert Aa directly at (516) 945-3368.
Frequently asked
Yes. NPI 1659177038 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Anesthesiologist Assistant 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 (516) 945-3368.
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 Syfert Aa is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 5 Anesthesiologist Assistant providers are registered in New York, and Catherine Syfert Aa is one of them. The figure refreshes each month from the federal source.