Cassidy Guida DO
About this NPIWhat this record shows.
NPI 1831775261 is registered to Cassidy Guida DO, a Geriatric Medicine (Internal Medicine) Physician practising at 240 Meeting House Ln in Southampton, New York. Geriatric Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Cassidy Guida DO has been enumerated in the National Provider Identifier (NPI) registry since 2021.
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
- I20251009001245Geriatric MedicineNC
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 Cassidy Guida DO accepts. To confirm in-network status with your specific health plan, contact Cassidy Guida DO directly at (631) 726-8200.
Frequently asked
Yes. NPI 1831775261 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Geriatric Medicine (Internal 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 (631) 726-8200.
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. Cassidy Guida DO is a Type-1 individual NPI.