M. Deborah Gruen, PH.D.
About this NPIWhat this record shows.
NPI 1386183523 is registered to M. Deborah Gruen, PH.D., a healthcare organisation classified as "Psychologist" and located at 4 Elwil Dr in Westport, Connecticut. The organisation's authorised official is Deborah Gruen. The organisation has been enumerated in the NPI registry since 2017.
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 M. Deborah Gruen, PH.D. accepts. To confirm in-network status with your specific health plan, contact M. Deborah Gruen, PH.D. directly at (203) 221-8000.
Frequently asked
Yes. NPI 1386183523 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 (203) 221-8000.
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. M. Deborah Gruen, PH.D. is a Type-2 organisational NPI.