Dr. Tirrell De Gannes PSY.D.
About this NPIWhat this record shows.
NPI 1336794742 is registered to Dr. Tirrell De Gannes PSY.D., a Psychologist practising at 400 S Oyster Bay Rd Ste 102 in Hicksville, New York. Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Tirrell De Gannes PSY.D. has been enumerated in the National Provider Identifier (NPI) registry since 2019.
Your brand here.
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 Dr. Tirrell De Gannes PSY.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Tirrell De Gannes PSY.D. directly at (516) 818-8383.
Frequently asked
Yes. NPI 1336794742 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychologist 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) 818-8383.
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. Dr. Tirrell De Gannes PSY.D. is a Type-1 individual NPI.