Jason Gnasigamany DO
About this NPIWhat this record shows.
NPI 1598388308 is registered to Jason Gnasigamany DO, a Nephrology Physician practising at 3535 N Fourth St Ste 301 in Longview, Texas. Nephrology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Jason Gnasigamany DO has been enumerated in the National Provider Identifier (NPI) registry since 2020.
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
- I20250813001383NephrologyTX
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 Jason Gnasigamany DO accepts. To confirm in-network status with your specific health plan, contact Jason Gnasigamany DO directly at (903) 234-9992.
Frequently asked
Yes. NPI 1598388308 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Nephrology 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 (903) 234-9992.
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. Jason Gnasigamany DO is a Type-1 individual NPI.