David Griffenberg
About this NPIWhat this record shows.
NPI 1215737564 is registered to David Griffenberg, a Independent Duty Corpsman practising at Po Box 159 in Groton, Connecticut. Independent Duty Corpsman is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. David Griffenberg has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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 David Griffenberg accepts. To confirm in-network status with your specific health plan, contact David Griffenberg directly at (830) 929-8723.
Frequently asked
Yes. NPI 1215737564 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Independent Duty Corpsman 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 (830) 929-8723.
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. David Griffenberg is a Type-1 individual NPI.